Resonance phenomena in discrete systems with bichromatic input signal (2007)
Harikrishnan, K. P., Ambika, G.
We undertake a detailed numerical study of the twin phenomena of stochastic and vibrational resonance in a discrete model system in the presence of bichromatic input signal. A two parameter cubic map...
Stochastic resonance as a filter for signal detection from multisignal inputs (2006)
We undertake a detailed numerical study of the phenomenon of stochastic resonance with multisignal inputs. A bistable cubic map is used as the model and we show that it combines the features of a...
The non-linear behavior of the black hole system GRS 1915+105 (2006)
Misra, R., Harikrishnan, K. P., Ambika, G., Kembhavi, A. K.
Using non-linear time series analysis, along with surrogate data analysis, it is shown that the various types of long term variability exhibited by the black hole system GRS 1915+105, can be...
A non subjective approach to the GP algorithm for analysing noisy time series (2006)
Harikrishnan, K. P., Misra, R., Ambika, G., Kembhavi, A. K.
We present an adaptation of the standard Grassberger-Proccacia (GP) algorithm for estimating the Correlation Dimension of a time series in a non subjective manner. The validity and accuracy of this...
The chaotic behavior of the black hole system GRS 1915+105 (2004)
Misra, R., Harikrishnan, K. P., Mukhopadhyay, B., Ambika, G., Kembhavi, A. K.
A modified non-linear time series analysis technique, which computes the correlation dimension $D_2$, is used to analyze the X-ray light curves of the black hole system GRS 1915+105 in all twelve...