Catalan's Conjecture over Number Fields (2009)
Balasubramanian, R., Prakash, Pandey Prem
Catalan conjecture/Mihailescu theorem is a theorem in number theory that was conjectured by Mathematician Eugene Charles Catalan in 1844 and was proved completely by Preda Mihailescu in 2005. Some...
The exchange of SVOCs across the air-sea interface in Singapore's coastal environment (2009)
Coastal areas are vulnerable to the accumulation of semi-volatile organic compounds such as PAHs, OCPs and PCBs from atmospheric inputs. Dry particulate and wet depositions, and air-water diffusive...
A new Contrast Based Image Fusion using Wavelet Packets (2008)
Balasubramanian, R., Bhatnagar, Gaurav
Image Fusion, a technique which combines complimentary information from different images of the same scene so that the fused image is more suitable for segmentation, feature extraction, object...
On Sampling Colorings of Bipartite Graphs † (2008)
R. Balasubramanian, C. R. Subramanian
We study the problem of efficiently sampling k-colorings of bipartite graphs. We show that a class of markov chains cannot be used as efficient samplers. Precisely, we show that, for any k, 6 ≤ k...
Nearest neighbor vector based Palmprint verification (2008)
Mayur D. Jain, S Nalin Pradeep, R Balasubramanian
We introduce palmprint verification, one of the most reliable personal identification methods in the biometric technology. In this paper, a new approach to the palmprint verification based on nearest...
R. Balasubramanian, Gautami Bhowmik
We prove that for all but a certain number of abelian groups of order n the Davenport constant is at most n + k − 1 for positive integers k ≤ 7. For groups of rank three we improve on the k...
Some zero-sum constants with weights (2008)
S. D. Adhikari, R. Balasubramanian, P. Rath
Abstract. For an abelian group G, the Davenport constant D(G) is defined to be the smallest natural number k such that any sequence of k elements in G has a non-empty subsequence whose sum is zero...
Sum-free subsets of finite abelian groups of type III (2007)
Balasubramanian, R., Prakash, Gyan, Ramana, D. S.
We obtain a classification theorem for sum-free subsets of the cardinality very ``close'' to the largest possible in a finite abelian group $G$ of type III, that is, a finite abelian group G, all...
Data Analysis Of Gravitational Wave Signals From Coalescing Binaries (2007)
In this lecture I shall be dealing with the techniques of Data analysis which will be used to extract the gravitational wave signal from the noisy output of the gravitational wave detector. The...
Estimation of Parameters of Gravitational Wave Signals from Coalescing Binaries. (2007)
Balasubramanian And, R. Balasubramanian, S. V. Dhur
With the on going construction of several large and medium scale laser interferometric gravitational wave antennas around the globe, the problem of the detection of gravitational waves has acquired...
Microstructural characterization along the length of a wedge shaped Wootz Steel implement (2007)
Kumar, V., Barnett, Matthew, Balasubramanian, R., Jaikishan, S.
Microstructural characterization along the length of a wedge shaped Wootz Steel implement (2007)
Kumar, V., Barnett, Matthew, Balasubramanian, R., Jaikishan, S.
Pharmaceutical Generic Product Development - A Review (2007)
S. Mohamed Musthaba., R. Balasubramanian, R. Raju, C. Kumaresan
The aim of Pharmaceutical Product Development is to design a quality product and the manufacturing process to deliver the product in a reproducible manner (1) . Development of formula and...
Microstructural characterization along the length of a wedge shaped Wootz Steel implement (2007)
Kumar, Vinod, Barnett, Matthew, Balasubramanian, R., Jaikishan, S.
A Proof of Hall's Conjecture on Starlike Mappings (2006)
Balasubramanian, R., Karunakaran, V., Ponnusamy, S.
In this paper we show that $${\left|f\left(r{e}^{1\theta }\right)\right|}^{-1}{\displaystyle \underset{0}{\overset{r}{\int }}\left|{f}^{\prime }\left(u{e}^{1\theta }\right)\right|}du\le...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Search for gravitational-wave bursts in LIGO's third science run (2006)
Abbott, B, Abbott, R, Adhikari, R, Agresti, J, Ajith, P, Allen, B, ...
We report on a search for gravitational-wave bursts in data from the three LIGO interferometric detectors during their third science run. The search targets sub-second bursts in the frequency range...
Search for gravitational-wave bursts in LIGO's third science run (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We report on a search for gravitational-wave bursts in data from the three LIGO interferometric detectors during their third science run. The search targets subsecond bursts in the frequency range...
Babak, S., Balasubramanian, R., Churches, D., Cokelaer, T., Sathyaprakash, B. S.
Gravitational waves from coalescing compact binaries are searched using the matched filtering technique. As the model waveform depends on a number of parameters, it is necessary to filter the data...
Search for gravitational waves from binary black hole inspirals in LIGO data (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J, Ajith, P., ...
We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...
Upper Bounds for the Davenport Constant (2006)
Balasubramanian, R., Bhowmik, Gautami
We prove that for all but a certain number of abelian groups of order n its Davenport constant is atmost n/k+k-1 for k=1,2,..,7. For groups of order three we improve on the existing bound involving...
Upper Bounds for the Davenport Constant (2006)
Balasubramanian, R., Bhowmik, Gautami
We prove that for all but a certain number of abelian groups of order n its Davenport constant is atmost n/k+k-1 for k=1,2,..,7. For groups of order three we improve on the existing bound involving...
Upper Bounds for the Davenport Constant (2006)
Balasubramanian, R., Bhowmik, Gautami
We prove that for all but a certain number of abelian groups of order n its Davenport constant is atmost n/k+k-1 for k=1,2,..,7. For groups of order three we improve on the existing bound involving...
Status of GEO600 detector (2006)
Willke,Benno, Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B., ...
Of all the large interferometric gravitational-wave detectors, the German/British project GEO600 is the only one which uses dual recycling. During the four weeks of the international S4 data-taking...
Willke,Benno, Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B., ...
The GEO 600 gravitational wave detector uses advanced technologies including signal recycling and monolithic fused-silica suspensions to achieve a sensitivity close to the kilometre scale LIGO and...
"Irrigation tanks, which are one of the oldest common pool water resources in the coastal plains of South India, have been declining rapidly in recent years due to several factors. In response,...
Upper Bounds for the Davenport Constant (2006)
Balasubramanian, R., Bhowmik, Gautami
We prove that for all but a certain number of abelian groups of order n its Davenport constant is atmost n/k+k-1 for k=1,2,..,7. For groups of order three we improve on the existing bound involving...
Status of GEO600 detector (2006)
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, S., Balasubramanian, R., Barr, B., ...
Of all the large interferometric gravitational-wave detectors, the German/British project GEO600 is the only one which uses dual recycling. During the four weeks of the international S4 data-taking...
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 gravitational wave detector uses advanced technologies including signal recycling and monolithic fused-silica suspensions to achieve a sensitivity close to the kilometre scale LIGO and...
Search for gravitational waves from binary black hole inspirals in LIGO data (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Babak, Stanislav, Balasubramanian, R., Churches, D., Cokelaer, T., Sathyaprakash, B. S.
Gravitational waves from coalescing compact binaries are searched for using the matched filtering technique. As the model waveform depends on a number of parameters, it is necessary to filter the...
Status of the GEO600 detector (2006)
Lück, Harald, Hewitson, Martin, Ajith, P., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, ...
Of all the large interferometric gravitational-wave detectors, the German/British project GEO600 is the only one which uses dual recycling. During the four weeks of the international S4 data-taking...
Babak, S., Balasubramanian, R., Churches, D., Cokelaer, T., Sathyaprakash, B. S.
Gravitational waves from coalescing compact binaries are searched using the matched filtering technique. As the model waveform depends on a number of parameters, it is necessary to filter the data...
Upper Bounds for the Davenport Constant (2006)
Balasubramanian, R., Bhowmik, Gautami
We prove that for all but a certain number of abelian groups of order n its Davenport constant is atmost n/k+k-1 for k=1,2,..,7. For groups of order three we improve on the existing bound involving...
Search for gravitational-wave bursts in LIGO's third science run (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Allen, Bruce, Amin, R., ...
We report on a search for gravitational-wave bursts in data from the three LIGO interferometric detectors during their third science run. The search targets sub-second bursts in the frequency range...
On Sampling Colorings of Bipartite Graphs (2006)
R. Balasubramanian, C. R. Subramanian
We study the problem of efficiently sampling k-colorings of bipartite graphs. We show that a class of markov chains cannot be used as efficient samplers. Precisely, we show that, for any k, 6 ≤ k...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
We report on the first joint search for gravitational waves by the TAMA and LIGO collaborations. We looked for millisecond-duration unmodeled gravitational-wave bursts in 473 hr of coincident data...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Ajith,P., ...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Ajith,P., ...
Upper limits on a stochastic background of gravitational waves (2005)
Abbott,B., Abbott,R., Adhikari,R., Agresti,J., Ajith,P., Allen,B., ...
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Allen,B., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We use data from the second science run of the LIGO gravitational-wave detectors to search for the gravitational waves from primordial black hole binary coalescence with component masses in the range...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We use 373 hours (≈15 days) of data from the second science run of the LIGO gravitational-wave detectors to search for signals from binary neutron star coalescences within a maximum distance of...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We use 373 hours (≈15 days) of data from the second science run of the LIGO gravitational-wave detectors to search for signals from binary neutron star coalescences within a maximum distance of...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Allen, B., ...
We perform a search for gravitational wave bursts using data from the second science run of the LIGO detectors, using a method based on a wavelet time-frequency decomposition. This search is...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Allen,B., ...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Allen,B., ...
Results from the first burst hardware injections performed on GEO600 (2005)
Balasubramanian,R., Heng,I. S., Hewitson,M.
GEO 600 is a 600 m arm-length, laser interferometric gravitational wave detector, located about 25 km from Hannover, Germany. Starting in November 2003, GEO 600 took part in a coincident data taking...
Asymptotic formula for sum-free sets in abelian groups (2005)
Balasubramanian, R., Prakash, Gyan
Let A be a subset of a finite abelian group G. We say that A is sum-free if there is no solution of the equation x + y = z, with x, y, z belonging to the set A. Let SF(G) denotes the set of all...
Mass spectrometric studies on irradiated (U, Pu) mixed carbide fuel of FBTR (2005)
R. Balasubramanian, S. Nalini, M. Sai Baba
Mass spectrometry was employed to characterise the irradiated mixed carbide fuel of fast breeder test reactor (FBTR) for assessing its performance: thermal ionisation mass spectrometry to determine...
Mass spectrometric studies on irradiated (U, Pu) mixed carbide fuel of FBTR (2005)
R. Balasubramanian, S. Nalini, M. Sai Baba
Mass spectrometry was employed to characterise the irradiated mixed carbide fuel of fast breeder test reactor (FBTR) for assessing its performance: thermal ionisation mass spectrometry to determine...
Limits on gravitational-wave emission from selected pulsars using LIGO data (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
Limits on gravitational-wave emission from selected pulsars using LIGO data (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
GEO600 Online Detector Characterization System (2005)
Balasubramanian, R., Babak, S., Churches, D., Cokelaer, T.
A world-wide network of interferometric gravitational wave detectors is currently operational. The detectors in the network are still in their commissioning phase and are expected to achieve their...
Sum-free set in finite abelian groups (2005)
Balasubramanian, R., Prakash, Gyan
Let A be a subset of a finite abelian group G. We say that A is sum-free if there is no solution of the equation x + y = z, with x, y, z belonging to the set A. In this paper we shall characterise...
GEO600 Online Detector Characterization System (2005)
Balasubramanian,R., Babak,S., Churches,D., Cokelaer,T.
A world-wide network of interferometric gravitational wave detectors is currently operational. The detectors in the network are still in their commissioning phase and are expected to achieve their...
Performance of Indian power sector during a decade under restructuring: a critique (2005)
Sharma, D Parameswara, Chandramohanan Nair, P S, Balasubramanian, R
The Indian power sector has been facing serious functional problems during the past few decades. In order to re-vitalise the sector and to improve its techno-economic performance, Government of India...
Results from the first burst hardware injections performed on GEO600 (2005)
Balasubramanian, R., Heng, Ik Siong, Hewitson, Martin
GEO 600 is a 600 m arm-length, laser interferometric gravitational wave detector, located about 25 km from Hannover, Germany. Starting in November 2003, GEO 600 took part in a coincident data taking...
GEO600 Online Detector Characterization System (2005)
Balasubramanian, R., Babak, Stanislav, Churches, D., Cokelaer, T.
A world-wide network of interferometric gravitational wave detectors is currently operational. The detectors in the network are still in their commissioning phase and are expected to achieve their...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Allen, Bruce, ...
We perform a wide parameter-space search for continuous gravitational waves over the whole sky and over a large range of values of the frequency and the first spin-down parameter. Our search method...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Allen, Bruce, ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We use data from the second science run of the LIGO gravitational-wave detectors to search for the gravitational waves from primordial black hole binary coalescence with component masses in the range...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We use 373 hours ([approximate]15 days) of data from the second science run of the LIGO gravitational-wave detectors to search for signals from binary neutron star coalescences within a maximum...
Limits on gravitational-wave emission from selected pulsars using LIGO data (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Upper limits on a stochastic background of gravitational waves (2005)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The Laser Interferometer Gravitational-Wave Observatory has performed a third science run with much improved sensitivities of all three interferometers. We present an analysis of approximately 200...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Limits on gravitational-wave emission from selected pulsars using LIGO data (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Allen, B., ...
Grote, Hartmut, Aufmuth, Peter, Aulbert, Carsten, Babak, S., Balasubramanian, R., Barr, B., ...
Since December 2003, the gravitational-wave detector GEO 600 has routinely operated in the dual recycled mode, using a lock acquisition scheme based on the detection of optical sideband power at the...
Grote, Hartmut, Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., ...
Since December 2003, the gravitational-wave detector GEO 600 has routinely operated in the dual recycled mode, using a lock acquisition scheme based on the detection of optical sideband power at the...
Grote, H., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
Since December 2003, the gravitational-wave detector GEO 600 has routinely operated in the dual recycled mode, using a lock acquisition scheme based on the detection of optical sideband power at the...
The LIGO gravitational wave obervatories: Recent results and future plans (2005)
Harry, G. M., Adhikari, R., Ballmer, S., Bayer, K., Betzwieser, J., Bochner, B., ...
Commissioning, characterization and operation of the dual-recycled GEO 600 (2004)
Smith,J. R., Allen,B., Aufmuth,P., Aulbert,C., Babak,S., Balasubramanian,R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
Strain, K.A., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
The GEO 600 laser interferometer with 600m armlength is part of a worldwide network of gravitational wave detectors. GEO 600 is unique in having advanced multiple pendulum suspensions with a...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We report on a search for gravitational wave bursts using data from the first science run of the Laser Interferometer Gravitational Wave Observatory (LIGO) detectors. Our search focuses on bursts...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Allen,B., Amin,R., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Allen,B., Woan,G., Abbott,B., Abbott,R., Adhikari,R., Allen,B., ...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Allen, B, Woan, G, Abbott, B, Abbott, R, Adhikari, R, Allen, B, ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Woan,G., Allen,Bruce, Abbott,B., Abbott,F., Adhikari,R., Amin,R., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Willke,Benno, Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
First steps towards characterising the Hierachical algorithm for curves and ridges pipeline (2004)
Heng,Ik Siong, Balasubramanian,R., Sathyaprakash,B. S., Schutz,Bernard F.
The hierarchical algorithm for curves and ridges is a variation of the burst gravitational wave search algorithm known as TFClusters. In this paper, we examine the detection efficiency of the...
Calibration of the dual-recycled GEO600 detector for the S3 science run (2004)
Hewitson,Martin, Babak,S., Balasubramanian,R., Danzmann,Karsten, Grote,Hartmut, Heinzel,Gerhard, ...
The GEO 600 interferometric gravitational detector took part in an extended coincident science run of the LIGO Scientific Collaboration (S3) that started in November 2003. GEO had recently been...
First steps towards characterizing the hierarchical algorithm for curves and ridges pipeline (2004)
Heng,I. S., Balasubramanian,R., Schutz,Bernard F., Sathyaprakash,B. S.
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar J1939...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
LIGO: S1 Science Results and Plans Beyond (2004)
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Woan, G., Allen, Bruce, Abbott, B., Abbott, F., Adhikari, R., Amin, R., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
First steps towards characterizing the hierarchical algorithm for curves and ridges pipeline (2004)
Heng, Ik Siong, Balasubramanian, R., Sathyaprakash, B. S., Schutz, Bernard F.
The hierarchical algorithm for curves and ridges is a variation of the burst gravitational wave search algorithm known as TFClusters. In this paper, we examine the detection efficiency of the...
Calibration of the dual-recycled GEO600 detector for the S3 science run (2004)
Hewitson, Martin, Babak, Stanislav, Balasubramanian, R., Danzmann, Karsten, Grote, Hartmut, Heinzel, Gerhard, ...
The GEO 600 interferometric gravitational detector took part in an extended coincident science run of the LIGO Scientific Collaboration (S3) that started in November 2003. GEO had recently been...
First steps towards characterizing the hierarchical algorithm for curves and ridges pipeline (2004)
Heng, I. S., Balasubramanian, R., Schutz, Bernard F., Sathyaprakash, B. S.
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar J1939...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Allen, B., Woan, G., Abbott, B., Abbott, R., Adhikari, R., Allen, B., ...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational wave bursts using data from the first science run of the Laser Interferometer Gravitational Wave Observatory (LIGO) detectors. Our search focuses on bursts...
LIGO: S1 Science Results and Plans Beyond (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Commissioning, characterization and operation of the dual-recycled GEO 600 (2004)
Smith, J. R., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Strain, Kenneth A., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., ...
The GEO 600 laser interferometer with 600m armlength is part of a worldwide network of gravitational wave detectors. GEO 600 is unique in having advanced multiple pendulum suspensions with a...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
Commissioning, characterization and operation of the dual- recycled GEO 600 (2004)
Smith, J.R., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Allen, B., Woan, G., Abbott, B., Abbott, R., Adhikari, R., Allen, B., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Calibration of the dual-recycled GEO 600 detector for the S3 science run (2004)
Hewitson, M., Babak, S., Balasubramanian, R., Danzmann, K., Grote, H., Heinzel, G., ...
The GEO 600 interferometric gravitational detector took part in an extended coincident science run of the LIGO Scientific Collaboration (S3) that started in November 2003. GEO had recently been...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
A report on the status of the GEO 600 gravitational wave detector (2003)
Hewitson,M., Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B. W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
The GEO 600 Gravitational Wave Detector - Pulsar Prospects (2003)
Woan,G., Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B. W., ...
Detector characterization in GEO 600 (2003)
Sintes,Alicia M., Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B. W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Sharma, D Parameswara, Nair, P S Chandramohanan, Balasubramanian, R
This study attempts to review and analyse the critical issues that afflict the power sector of Kerala, a developing State in India. For this purpose a Delphi study, contacting experts in the field...
The GEO 600 Gravitational Wave Detector - Pulsar Prospects (2003)
Woan, G., Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
A report on the status of the GEO 600 gravitational wave detector (2003)
Hewitson, Martin, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
Detector characterization in GEO 600 (2003)
Sintes, Alicia M., Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Status of the GEO600 gravitational wave detector (2003)
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO600 laser interferometric gravitational wave detector is approaching the end of its commissioning phase which started in 1995.During a test run in January 2002 the detector was operated for 15...
A Report on the Status of the GEO 600 Gravitational Wave Detector (2003)
Hewitson, M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
Detector characterization in GEO 600 (2003)
Sintes, A.M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Status of the GEO600 gravitational wave detector (2003)
Wilke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO600 laser interferometric gravitational wave detector is approaching the end of its commissioning phase which started in 1995.During a test run in January 2002 the detector was operated for 15...
The GEO600 gravitational wave detector: pulsar prospects (2003)
Woan, G., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO600 laser-interferometric gravitational wave detector near Hannover, Germany, is one of six such interferometers now close to operation worldwide. The UK/German GEO collaboration uses advanced...
Estimation of a failure time distribution based on imperfect diagnostic tests (2003)
Balasubramanian, R., Lagakos, S. W.
Sequentially‐administered diagnostic tests used to determine the occurrence of a silent event are sometimes subject to error, leading to false positive and false negative test results. In such...
The GEO 600 gravitational wave detector (2002)
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
GEO 600 - Research, Progress and Prospects (2002)
Hough,Jim, Aufmuth,Peter, Balasubramanian,R., Barr,B. W., Brozec,O. S., Cagnoli,G., ...
The GEO 600 Gravitational Wave Detector (2002)
Willke,Benno, Aufmuth,Peter, Aulbert,Carsten, Babak,S., Balasubramanian,R., Barr,B. W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
Data acquisition and detector characterization of GEO600 (2002)
Kötter,Karsten, Aulbert,Carsten, Babak,S., Balasubramanian,R., Berukoff,Steven, Bose,Sukanta, ...
The data acquisition system of the gravitational wave detector GEO600 is recording the first data now. Data from detector subsystems and environmental channels are being acquired. The data...
Sharma, D Parameswara, Nair, P S Chandramohanan, Balasubramanian, R
Rapid growth in the demand for commercial energy in Kerala, a state in India, posed serious development constraints in the recent past. The crucial issue of managing this demand will be of great...
The GEO 600 Gravitational Wave Detector (2002)
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
Data acquisition and detector characterization of GEO600 (2002)
Kötter, Karsten, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Berukoff, Steven J., Bose, Sukanta, ...
The data acquisition system of the gravitational wave detector GEO600 is recording the first data now. Data from detector subsystems and environmental channels are being acquired. The data...
GEO 600 - Research, Progress and Prospects (2002)
Hough, Jim, Aufmuth, Peter, Balasubramanian, R., Barr, B. W., Brozek, Oliver Sascha, Cagnoli, G., ...
Data acquisition and detector characterization of GEO600 (2002)
Kotter, K., Aulbert, C., Babak, S., Balasubramanian, R., Berukoff, S., Bose, S., ...
The data acquisition system of the gravitational wave detector GEO600 is recording the first data now. Data from detector subsystems and environmental channels are being acquired. The data...
Reconstruction of quadratic curves in 3-D from two or more perspective views (2002)
R. Balasubramanian, Sukhendu Das, K. Swaminathan
The issues involved in the reconstruction of a quadratic curve in 3-D space from arbitrary perspective projections are described in this paper. Correspondence between the projections of the curve on...
Design and Synthesis of Novel Chiral Dendritic Species Derived from Bile Acids (2001)
Balasubramanian, R, Maitra, Uday
Bile acids have been used for the first time as the building block for the construction of dendritic units. Orthogonally functionalized 7-deoxycholic and cholic acid derivatives were synthesized. The...
Design and Synthesis of Novel Chiral Dendritic Species Derived from Bile Acids (2001)
Balasubramanian, R, Maitra, Uday
Bile acids have been used for the first time as the building block for the construction of dendritic units. Orthogonally functionalized 7-deoxycholic and cholic acid derivatives were synthesized. The...
The GEO 600 gravitational wave detector (2000)
Willke,Benno, Aufmuth,Peter, Balasubramanian,R., Brozek,Oliver Sacha, Cagnoli,G., Casey,M, ...
The GEO 600 gravitational wave detector (2000)
Willke, Benno, Aufmuth, Peter, Balasubramanian, R., Brozek, Oliver Sascha, Cagnoli, G., Casey, Morag M., ...
Time-frequency detection of Gravitational Waves (1999)
Anderson, Warren G., Balasubramanian, R.
We present a time-frequency method to detect gravitational wave signals in interferometric data. This robust method can detect signals from poorly modeled and unmodeled sources. We evaluate the...
Fast valving scheme using parallel valves for transient stability improvement (1999)
Hassan, F F, Balasubramanian, R, Bhatti, T S
A new fast valving scheme of steam turbines using two parallel valves for improving the transient stability of a power system is proposed. The influence of the actuation time parameters of a...
First bile acid-derived chiral dendritic species with nanometric dimensions (1999)
Balasubramanian, R, Rao , Photon, Maitra, U
This paper describes the first synthesis of branched bile acid oligomers.
Tripathy, S C, Lakshmi, S R, Balasubramanian, R
Electrical energy can be generated by various sources, namely conventional sources, such as nuclear, coal, diesel, etc. and non-conventional sources, such as wind, tidal, solar energy, etc....
Gravitational waves from coalescing binaries: estimation of parameters (1997)
Balasubramanian, R, Dhurandhar, S V
The paper presents a statistical model which reproduces the results of Monte Carlo simulations to estimate the parameters of the gravitational wave signal from a coalesing binary system. The model...
Estimation of parameters of gravitational waves from coalescing binaries (1997)
Balasubramanian, R., Dhurandhar, S. V.
The paper deals with the estimation of parameters of gravitational waves from coalescing binaries. It explains the discrepancy between the Monte carlo simulations and the covariance matrix. We...
Gravitational Waves from coalescing binaries: Estimation of parameters (1997)
Balasubramanian, R., Dhurandhar, S. V.
The paper presents a statistical model which reproduces the results of Monte Carlo simulations to estimate the parameters of the gravitational wave signal from a coalesing binary system. The model...
Density Of Carmichael Numbers With Three Prime Factors (1997)
R. Balasubramanian, S. V. Nagaraj
. We get an upper bound of O(x 5=14+o(1) ) on the number of Carmichael numbers x with exactly three prime factors. 1. Introduction A Carmichael number is a composite number n which satisfies the...
Density of Carmichael numbers with three prime factors (1997)
R. Balasubramanian, S. V. Nagaraj
Abstract. We get an upper bound of O(x 5/14+o(1) ) on the number of Carmichael numbers ≤ x with exactly three prime factors. 1.
Analysis of interaction between inclined waveguide modes (1996)
Balasubramanian, R, Srinivas, T, Selvarajan, A
The analysis of coupling between inclined waveguide modes is presented. Each of the interacting modes is represented in a separate coordinate system and the coupling along an axis in a common...
Self tuning control of wind-diesel power systems (1996)
Mufti, Mairaj-ud-Din, Balasubramanian, R, Tripathy, S C
This paper proposes some effective self-tuning control strategies for isolated wind-diesel power generation systems. Detailed modelling and studies on both single-input single-output (SISO) as well...
Analysis of interaction between inclined waveguide modes (1996)
Balasubramanian, R, Srinivas, T, Selvarajan, A
The analysis of coupling between inclined waveguide modes is presented. Each of the interacting modes is represented in a separate coordinate system and the coupling along an axis in a common...
Antidiarrhoeal evaluation of Nelumbo nucifera rhizome extract (1995)
Mukherjee, K, Das, J, Balasubramanian, R, Kakali, S, Pal, M, ...
Estimation of parameters of gravitational waves from coalescing binaries (1995)
Balasubramanian, R., Sathyaprakash, B. S., Dhurandhar, S. V.
In this paper we deal with the measurement of the parameters of the gravitational wave signal emitted by a coalescing binary signal. We present the results of Monte Carlo simulations carried out for...
Balasubramanian, R., Sathyaprakash, B. S., Dhurandhar, S. V.
The paper deals with issues pertaining the detection of gravitational waves from coalescing binaries. We introduce the application of differential geometry to the problem of optimal detection of the...
Balasubramanian, R, Varma, KBR, Selvarajan, A
Single crystal cored fibers (SCCF) of 4-nitro-4'-methylbenzyledene aniline (NMBA), (-)2-(\alpha- methylbenzylamino)- 5-nitropyridine (MBA-NP), and ethoxy methoxy chalcone (EMC) have been grown in...
Jain, Amit, Tripathy, S C, Balasubramanian, R
A method for the reliability evaluation of an electric power generation system with a photovoltaic system is presented in this paper. An economic analysis of the system in terms of conventional fuel...
Evaluation of generation system reliability indices by fast transform techniques (1995)
Lakshmi, S R, Tripathy, S C, Rao, K S P, Balasubramanian, R
Two computationally ejicient Fourier transform methods namely, the mixed radix Fast Fourier transform algorithm (FFTA) and the Winograd Fourier transform algorithm ( WFTA) for evaluating the...
Balasubramanian, R, Varma, KBR, Selvarajan, A
Single crystal cored fibers (SCCF) of 4-nitro-4'-methylbenzyledene aniline (NMBA), (-)2-(\alpha- methylbenzylamino)- 5-nitropyridine (MBA-NP), and ethoxy methoxy chalcone (EMC) have been grown in...
MAXIMAL SETS OF INTEGERS WITH DISTINCT DIVISORS (1995)
R. Balasubramanian, K. Soundararajan
�������� � A set of positive integers is said to have the distinct divisor property if there is an injective map that sends every integer in the set to one of its proper divisors....
Performance of Newtonian filters in detecting gravitational waves from coalescing binaries (1994)
Balasubramanian, R., Dhurandhar, S. V.
Coalescing binary systems are one of the most promising sources of gravitational waves. The technique of matched filtering used in the detection of gravitational waves from coalescing binaries relies...
Coupled-mode analysis of three-wave mixing process in crystal cored fibres (1993)
Selvarajan, A, Balasubramanian, R
A coupled-mode analysis is presented for a general three-wave mixing process in a crystal cored fibre. Improved coupled mode equations are derived for sum frequency generation (SFG) and second...
Coupled-mode analysis of three-wave mixing process in crystal cored fibres (1993)
Selvarajan, A, Balasubramanian, R
A coupled-mode analysis is presented for a general three-wave mixing process in a crystal cored fibre. Improved coupled mode equations are derived for sum frequency generation (SFG) and second...
Model based color image quantization (1993)
T. J. Flohr, B. Iv. Kolpatzik, R. Balasubramanian, D. A. Carrata, C. A. Bouman, J. P. Allebach
In this paper, we propose a new technique for halftoning color images. Our technique parallels recent work in modell, etscd halftoning fm both monochrome and color image, we iucorpurat, c t hunion...
Tripathy, S C, Balasubramanian, R, Nair, P S C
A comprehensive digital computer model of a two-area interconnected power system including the governor deadband nonlinearity, steam reheat constraints, and the boiler dynamics is developed. The...
Tripathy, S C, Balasubramanian, R, Chandramohanan Nair, P S
An improved automatic generation control (AGC) system employing self-tuning adaptive control for the main AGC loop and the superconducting magnetic energy storage system (SMES) is presented. Computer...
Production costing using mixed-radix and Winograd Fourier transforms (1992)
Lakshmi, S R, Tripathy, S C, Rao, K S P, Balasubramanian, R
The application of the mixed-radix fast Fourier transform algorithm and the Winograd Fourier transform algorithm for solving a power system probabilistic production costing problem is proposed. The...
Dynamics and stability of a hybrid wind-diesel power system (1992)
Tripathy, S C, Kalantar, M, Balasubramanian, R
Dynamic system analysis is carried out on an isolated electric power system consisting of a wind turbine generator (WTG) and a diesel engine generator (DG). The 150 kW wind turbine generator is...
Energy auditing kit for cement industries (1992)
Tripathy, S C, Roy, M C, Balasubramanian, R
Energy is now a costly and scarce commodity in any manufacturing industry, and hence, it is essential for each industry to develop an energy auditing kit to find the energy conservation opportunities...
Design for fabrication of a d.c. chopper for energy conservation in d.c. drives (1992)
Tripathy, S C, D Kumar, Balasubramanian, R, Bhatti, T S
A thyristor chopper for speed control of d.c. motors has been described and designed. The chopper consists of thyristor circuits which convert power between a constant voltage d.c. input and a...
Bruce Allen, Warren Anderson, R. Balasubramanian, Kent Blackburn, Patrick Brady, Jim Brau, ...
GRASP (Gravitational Radiation Analysis & Simulation Package) is a public-domain software tool-kit designed for analysis and simulation of data from gravitational wave detectors. This users...
Bruce Allen, Warren Anderson, R. Balasubramanian, Kent Blackburn, Patrick Brady, Jim Brau, ...
GRASP (Gravitational Radiation Analysis & Simulation Package) is a public-domain software tool-kit designed for analysis and simulation of data from gravitational wave detectors. This users...
Tripathy, S C, Kalantar, M, Balasubramanian, R
Dynamic system analysis is carried out on an isolated electric power system consisting of a diesel generator and a wind-turbine generator. The 150 kW wind turbine is operated in parallel with a...
New Fourier methods for generation system production costing (1991)
Balasubramanian, R, Mohan, P, Rao, K S P
Two new, robust, and computationally efficient Fourier methods for solving the probabilistic production costing problem are presented. The method first proposed yields closely matching results with...
Tripathy, S C, Balasubramanian, R, Chandramohanan Nair, P S
A new scheme using a small rating capacitive energy storage (CES) unit for the improvement of the dynamic performance of a power system is proposed. A comprehensive digital computer model of a...
Occurrence of thraustochytrid fungi in corals and coral mucus (1991)
Raghukumar, S., Balasubramanian, R.
Occurrence of thraustochytrid fungi in corals, fresh coral mucus and floating and attached mucus detritus from the Lakshadweep Islands in the Arabian Sea was studied. Corallochytrium limacisporum...
Continuous time controller design (1989)
Este libro cubre los métodos teóricos para el diseño de sistemas de controladores de tiempo continuo para sistemas lineales multivariables. Puede ser utilizado para un primer curso de sistemas de...
Continuous time controller design / R. Balasubramanian; Pref. de: D.P. Atherton. (1989)
Este libro cubre los métodos teóricos para el diseño de sistemas de controladores de tiempo continuo para sistemas lineales multivariables. Puede ser utilizado para un primer curso de sistemas de...
Forced Response of Linear Time-Varying Systems (1965)
Balasubramanian, R, Deekshatulu, BL
The utility of error coefficients in studying the behavior of constant parameter linear systems has been well established [l]. This concept can be extended easily to time-varying linear systems in...
Forced Response of Linear Time-Varying Systems (1965)
Balasubramanian, R, Deekshatulu, BL
The utility of error coefficients in studying the behavior of constant parameter linear systems has been well established [l]. This concept can be extended easily to time-varying linear systems in...
Commissioning, characterization and operation of the dual- recycled GEO 600
Smith, J.R., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Analysis of first LIGO science data for stochastic gravitational waves
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134
Allen, B., Woan, G., Abbott, B., Abbott, R., Adhikari, R., Allen, B., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Detector description and performance for the first coincidence observations between LIGO and GEO
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Calibration of the dual-recycled GEO 600 detector for the S3 science run
Hewitson, M., Babak, S., Balasubramanian, R., Danzmann, K., Grote, H., Heinzel, G., ...
The GEO 600 interferometric gravitational detector took part in an extended coincident science run of the LIGO Scientific Collaboration (S3) that started in November 2003. GEO had recently been...
Detector description and performance for the first coincidence observations between LIGO and GEO 600
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
A Report on the Status of the GEO 600 Gravitational Wave Detector
Hewitson, M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
Data acquisition and detector characterization of GEO600
Kotter, K., Aulbert, C., Babak, S., Balasubramanian, R., Berukoff, S., Bose, S., ...
The data acquisition system of the gravitational wave detector GEO600 is recording the first data now. Data from detector subsystems and environmental channels are being acquired. The data...
Detector characterization in GEO 600
Sintes, A.M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
The GEO 600 gravitational wave detector
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
A new type of representation of dipeptide conformation.
The possibility of representing the conformations of a pair of peptide units in terms of two parameters, namely angle (nu) between the two peptide planes and the virtual-bond angle delta...
A new type of representation of dipeptide conformation.
The possibility of representing the conformations of a pair of peptide units in terms of two parameters, namely angle (nu) between the two peptide planes and the virtual-bond angle delta...
Commissioning, characterization and operation of the dual- recycled GEO 600
Smith, J.R., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Analysis of first LIGO science data for stochastic gravitational waves
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134
Allen, B., Woan, G., Abbott, B., Abbott, R., Adhikari, R., Allen, B., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Detector description and performance for the first coincidence observations between LIGO and GEO
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Calibration of the dual-recycled GEO 600 detector for the S3 science run
Hewitson, M., Babak, S., Balasubramanian, R., Danzmann, K., Grote, H., Heinzel, G., ...
The GEO 600 interferometric gravitational detector took part in an extended coincident science run of the LIGO Scientific Collaboration (S3) that started in November 2003. GEO had recently been...
Detector description and performance for the first coincidence observations between LIGO and GEO 600
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
A Report on the Status of the GEO 600 Gravitational Wave Detector
Hewitson, M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
Data acquisition and detector characterization of GEO600
Kotter, K., Aulbert, C., Babak, S., Balasubramanian, R., Berukoff, S., Bose, S., ...
The data acquisition system of the gravitational wave detector GEO600 is recording the first data now. Data from detector subsystems and environmental channels are being acquired. The data...
Detector characterization in GEO 600
Sintes, A.M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
The GEO 600 gravitational wave detector
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
Performance of Indian power sector during a decade under restructuring: a critique
Sharma, D. Parameswara, Nair, P. S. Chandramohanan, Balasubramanian, R.
Estimation of a failure time distribution based on imperfect diagnostic tests
Sequentially-administered diagnostic tests used to determine the occurrence of a silent event are sometimes subject to error, leading to false positive and false negative test results. In such cases,...