L. Wei

Publication List Details

Period

0000 - 2007

Number

84

Co-Authors

Transition Analysis for Moderate Feedback Self-Mixing Interferometry (2007)

Wei, L., Xi, J., Yu, Y., Chicharo, J.

We present a theoretical analysis on the locations of transition points in moderate feedback self-mixing signal which is a fundamental issue to be addressed in preprocessing experimentally acquired...

Displacement Estimation Based on Model Calibration in Weak Feedback Optical Self-Mixing System (2007)

Wei, L., Xi, J., Chicharo, J.

This paper presents a novel method to estimate displacement of a moving object based on model calibration in a weak feedback laser diode self-mixing system. A hybrid genetic algorithm is employed to...

Pre-Processing of Signals Observed from Laser Diode Self-mixing Intereferometries using Neural Networks (2007)

Wei, L., Chicharo, J., Yu, Y., Xi, J.

This paper presents a novel neural network signal interpolation technique in order to eliminate the noise and disturbance associated with the self-mixing signal observed from optical feedback self-...

Transition Analysis for Moderate Feedback Self-Mixing Interferometry (2007)

Wei, L., Xi, J., Yu, Y., Chicharo, J.

We present a theoretical analysis on the locations of transition points in moderate feedback self-mixing signal which is a fundamental issue to be addressed in preprocessing experimentally acquired...

Displacement Estimation Based on Model Calibration in Weak Feedback Optical Self-Mixing System (2007)

Wei, L., Xi, J., Chicharo, J.

This paper presents a novel method to estimate displacement of a moving object based on model calibration in a weak feedback laser diode self-mixing system. A hybrid genetic algorithm is employed to...

Pre-Processing of Signals Observed from Laser Diode Self-mixing Intereferometries using Neural Networks (2007)

Wei, L., Chicharo, J., Yu, Y., Xi, J.

This paper presents a novel neural network signal interpolation technique in order to eliminate the noise and disturbance associated with the self-mixing signal observed from optical feedback self-...

Phase Unwrapping of Self-mixing Signals Observed in Optical Feedback Interferometry for Displacement Measurement (2006)

Wei, L., Xi, J., Yu, Y., Chicharo, J.

With an Optical feedback interferometry (OFI), a self-mixing signal (SMS) can be observed and employed to determine parameters of the semiconductor laser and metrological quantities of an object. In...

Phase Unwrapping of Self-mixing Signals Observed in Optical Feedback Interferometry for Displacement Measurement (2006)

Wei, L., Xi, J., Yu, Y., Chicharo, J.

With an Optical feedback interferometry (OFI), a self-mixing signal (SMS) can be observed and employed to determine parameters of the semiconductor laser and metrological quantities of an object. In...

Phase Unwrapping of Self-mixing Signals Observed in Optical Feedback Interferometry for Displacement Measurement (2006)

Wei, L., Xi, J., Yu, Y., Chicharo, J.

With an Optical feedback interferometry (OFI), a self-mixing signal (SMS) can be observed and employed to determine parameters of the semiconductor laser and metrological quantities of an object. In...

Depression in older people in rural China (2005)

Chen, R., Wei, L., Hu, Z., Qin, X., Copeland, J.R.M., Hemingway, H.

Background: In Western countries depression is the most common psychiatric condition in older persons and related to low socioeconomic status and low social supports. Along with social deprivation,...

Regulation of ryanodine receptors by calsequestrin: Effect of high luminal Ca2+ and phosphorylation (2005)

Beard, N A, Casarotto, M G, Wei, L, Varsanyi, Magdolna, Dulhunty, A F

Calsequestrin, the major calcium sequestering protein in the sarcoplasmic reticulum of muscle, forms a quaternary complex with the ryanodine receptor calcium release channel and the intrinsic...

Regulation of ryanodine receptors by calsequestrin: Effect of high luminal Ca2+ and phosphorylation (2005)

Beard, N A, Casarotto, M G, Wei, L, Varsanyi, Magdolna, Dulhunty, A F

Calsequestrin, the major calcium sequestering protein in the sarcoplasmic reticulum of muscle, forms a quaternary complex with the ryanodine receptor calcium release channel and the intrinsic...

Theoretical Study of Quantum Scattering Processes for Diatomic Hydrogen $(^{2}S)$ and Oxygen $(^{3}P)$ Complex (2004)

Wei, L., Jamieson, M. J., Dalgarno, A.

We present a quantum mechanical study of the diatomic hydrogen $H(^{2}S)$ and oxygen $O(^{3}P)$ collision and energy transfer for its four molecular symmetry $(X^{2}\Pi, ^{2}\Sigma^{-}, ^{4}\Pi,...

Mapping Ol-4, a gene conferring resistance to Oidium neolycopersici and originating from Lycopersicon peruvianum LA2172, requires multi-allelic single locus markers (2004)

Bai, Y., Huang, C.C., Wei, L., Stam, P., Lindhout, W.H.

Lycopersicon peruvianum LA2172 is completely resistant to Oidium neolycopersici, the causal agent of tomato powdery mildew. Despite the large genetic distance between the cultivated tomato and L....

Magnesium deficiency: effect on bone mineral density in the mouse appendicular skeleton (2003)

Gruber, Helen E, Rude, Robert K, Wei, L, Frausto, A, Mills, Barbara G, Norton, H James

Abstract Background Dietary magnesium (Mg) deficiency in the mouse perturbs bone and mineral homeostasis. The objective of the present study was to evaluate bone mineral density of the femur in...

Unknown (2002)

D. Farinacci, A. Helmy, D. Thaler, S. Deering, M. Handley, V. Jacobson, ...

This memo defines an Experimental Protocol for the Internet community. This memo does not specify an Internet standard of any kind. Discussion and suggestions for improvement are requested....

Unknown (2002)

Group D. Estrin, A. Helmy, D. Thaler, S. Deering, M. Handley, V. Jacobson, ...

This memo defines an Experimental Protocol for the Internet community. It does not specify an Internet standard of any kind. Discussion and suggestions for improvement are requested

MBE Growth of High Quality GaAsN Bulk Layers (2002)

Kovsh, A. R., Chi, J. Y., Wang, J. S., Wei, L., Wu, Y. T.

In the present work we have carefully optimized the operation of plasma source and the growth parameters of GaAsN layers. We have demonstrated the possibility of incorporation about 1.5% of N into...

An Optimal Importance Sampling Method for a Transient Markov System (2001)

Qi, H., Wei, Y. C., Wei, L.

In this paper an optimal importance sampling (IS) method is derived for a transient markov system. Several propositions are presented. It is showned that the optimal IS method is unique, and it must...

An Optimal Importance Sampling Method for a Transient Markov System (2001)

Qi, H., Wei, Y. C., Wei, L.

In this paper an optimal importance sampling (IS) method is derived for a transient markov system. Several propositions are presented. It is showned that the optimal IS method is unique, and it must...

An Optimal Importance Sampling Method for a Transient Markov System (2001)

Qi, H., Wei, Y. C., Wei, L.

In this paper an optimal importance sampling (IS) method is derived for a transient markov system. Several propositions are presented. It is showned that the optimal IS method is unique, and it must...

Overexpression and immunogenicity of the Oma87 outer membrane protein of Pasteurella multocida (2000)

Mitchison, M, Wei, L., Kwang, J., Wilkie, I., Adler, B.

The outer membrane protein of Oma87 from Pasteurella multocida A:1 has significant similarity to the D15 protective antigen of Haemophilus influenzae (Ruffolo and Adler, 1996). Four fragments of...

Thermal Diffusivity Measurement of Diamond Materials, (1998)

Wei, L, Kuo, P. K., Thomas, R. L.

The thermal wave/mirage effect technique is applied to the determination of thermal properties of polycrystalline diamond slabs and single crystal diamonds of different isotopic compositions. This...

Influence of Heat Treatment and Hot Working on Fracture Toughness of Cast Aluminium Base Composites. (1998)

Wei, L., Huang, J. C.

This paper concerned mmc in some important way and contained information about, utilized, or discussed these subjects: basic topics:, data, mmc materials and material types:, 2014 matrix, 356 matrix,...

Unknown (1998)

D. Farinacci, A. Helmy, D. Thaler, S. Deering, M. Handley, V. Jacobson, ...

This memo defines an Experimental Protocol for the Internet community. This memo does not specify an Internet standard of any kind. Discussion and suggestions for improvement are requested....

Speech disorder in preschool children exposed to Cantonese and English (1997)

Dodd, B, Holm, A, Wei, L

Speech disorder in monolingual Cantonese- or English-speaking children has been well described in the literature. There appear to be no reports, however, that describe speech-disordered children who...

Free Volumes in Polystyrene Probed by Positron Annihilation (1995)

Uedono, A., Kawano, T., Wei, L., Tanigawa, S., Ban, M., Kyoto, M.

Polystyrene specimens with different molecular weights were characterized by the positron annihilation technique. Lifetime spectra of positrons were measured in the temperature range between room...

Plasma Induced Defects in GaAs Probed by a Monoenergetic Positron Beam (1995)

Uedono, A., Wei, L., Kawano, T., Tanigawa, S., Wada, K., Nakanishi, H.

Plasma-induced defects in n-type GaAs were studied by a monoenergetic positron beam. The depth distribution of point-defects was obtained from measurements of Doppler broadening profiles of the...

Positron Studies of Oxide-Semiconductor Structures (1995)

Uedono, A., Wei, L., Kawano, T., Tanigawa, S., Suzuki, R., Ohgaki, H., ...

The annihilation characteristics of positrons in SiO2 films grown on Si substrates were studied by using monoenergetic positron beams. Doppler broadening profiles of the annihilation radiation and...

Free Volumes in Polystyrene Probed by Positron Annihilation (1995)

Uedono, A., Kawano, T., Wei, L., Tanigawa, S., Ban, M., Kyoto, M.

Polystyrene specimens with different molecular weights were characterized by the positron annihilation technique. Lifetime spectra of positrons were measured in the temperature range between room...

Plasma Induced Defects in GaAs Probed by a Monoenergetic Positron Beam (1995)

Uedono, A., Wei, L., Kawano, T., Tanigawa, S., Wada, K., Nakanishi, H.

Plasma-induced defects in n-type GaAs were studied by a monoenergetic positron beam. The depth distribution of point-defects was obtained from measurements of Doppler broadening profiles of the...

Positron Studies of Oxide-Semiconductor Structures (1995)

Uedono, A., Wei, L., Kawano, T., Tanigawa, S., Suzuki, R., Ohgaki, H., ...

The annihilation characteristics of positrons in SiO2 films grown on Si substrates were studied by using monoenergetic positron beams. Doppler broadening profiles of the annihilation radiation and...

Free Volumes in Polystyrene Probed by Positron Annihilation (1995)

Uedono, A., Kawano, T., Wei, L., Tanigawa, S., Ban, M., Kyoto, M.

Polystyrene specimens with different molecular weights were characterized by the positron annihilation technique. Lifetime spectra of positrons were measured in the temperature range between room...

Plasma Induced Defects in GaAs Probed by a Monoenergetic Positron Beam (1995)

Uedono, A., Wei, L., Kawano, T., Tanigawa, S., Wada, K., Nakanishi, H.

Plasma-induced defects in n-type GaAs were studied by a monoenergetic positron beam. The depth distribution of point-defects was obtained from measurements of Doppler broadening profiles of the...

Positron Studies of Oxide-Semiconductor Structures (1995)

Uedono, A., Wei, L., Kawano, T., Tanigawa, S., Suzuki, R., Ohgaki, H., ...

The annihilation characteristics of positrons in SiO2 films grown on Si substrates were studied by using monoenergetic positron beams. Doppler broadening profiles of the annihilation radiation and...

Determination of the temperature dependent thermal conductivity of isotopically modified single crystal diamond (1994)

Wei, L., Kuo, P., Thomas, R.

The experimental details of the in-solid mirage technique for the determination of thermal conductivities of diamond crystals of different isotopic compositions at low temperatures is described. The...

Determination of the temperature dependent thermal conductivity of isotopically modified single crystal diamond (1994)

Wei, L., Kuo, P., Thomas, R.

The experimental details of the in-solid mirage technique for the determination of thermal conductivities of diamond crystals of different isotopic compositions at low temperatures is described. The...

Determination of the temperature dependent thermal conductivity of isotopically modified single crystal diamond (1994)

Wei, L., Kuo, P., Thomas, R.

The experimental details of the in-solid mirage technique for the determination of thermal conductivities of diamond crystals of different isotopic compositions at low temperatures is described. The...

Indirect field oriented control in high power AC drives (1993)

Diallo, D., Roye, D., Bavard, J., Wei, L.

This paper describes the indirect field orientated control method in a high power application. Due to the low switching frequencies, the stator currents have to be controlled through the stator...

Characterization of SiO2 films grown on Si substrates by monoenergetic positron beams (1993)

Uedono, A., Wei, L., Tanigawa, S., Suzuki, R., Ohgaki, H., Mikado, T.

Variable-energy positron beams were utilized to characterize SiO2 films grown on Si substrates. For a SiO2 film grown by wet oxidation, a high formation probability of positronium (Ps) was found by...

Defects in vitreous SiO2 probed by positron annihilation (1993)

Uedono, A., Wei, L., Li, X., Tanigawa, S.

Annihilation characteristics of positrons in a single quartz crystal and vitreous silica glasses (v-SiO2) were studied by measurements of two-dimensional angular correlation of positron annihilation...

Characterization of SiO2 films grown on Si substrates by monoenergetic positron beams (1993)

Uedono, A., Wei, L., Tanigawa, S., Suzuki, R., Ohgaki, H., Mikado, T.

Variable-energy positron beams were utilized to characterize SiO2 films grown on Si substrates. For a SiO2 film grown by wet oxidation, a high formation probability of positronium (Ps) was found by...

Defects in vitreous SiO2 probed by positron annihilation (1993)

Uedono, A., Wei, L., Li, X., Tanigawa, S.

Annihilation characteristics of positrons in a single quartz crystal and vitreous silica glasses (v-SiO2) were studied by measurements of two-dimensional angular correlation of positron annihilation...

Indirect field oriented control in high power AC drives (1993)

Diallo, D., Roye, D., Bavard, J., Wei, L.

This paper describes the indirect field orientated control method in a high power application. Due to the low switching frequencies, the stator currents have to be controlled through the stator...

Characterization of SiO2 films grown on Si substrates by monoenergetic positron beams (1993)

Uedono, A., Wei, L., Tanigawa, S., Suzuki, R., Ohgaki, H., Mikado, T.

Variable-energy positron beams were utilized to characterize SiO2 films grown on Si substrates. For a SiO2 film grown by wet oxidation, a high formation probability of positronium (Ps) was found by...

Defects in vitreous SiO2 probed by positron annihilation (1993)

Uedono, A., Wei, L., Li, X., Tanigawa, S.

Annihilation characteristics of positrons in a single quartz crystal and vitreous silica glasses (v-SiO2) were studied by measurements of two-dimensional angular correlation of positron annihilation...

Indirect field oriented control in high power AC drives (1993)

Diallo, D., Roye, D., Bavard, J., Wei, L.

This paper describes the indirect field orientated control method in a high power application. Due to the low switching frequencies, the stator currents have to be controlled through the stator...

Presence of bacteriuria caused by trimethoprim resistant bacteria in patients prescribed antibiotics: multilevel model with practice and individual patient data

Donnan, P T, Wei, L, Steinke, D T, Phillips, G, Clarke, R, Noone, A, ...

Objective To look for evidence of a relation between antibiotic resistance and prescribing by general practitioners by analysis of prescribing at both practice and individual patient level.

Histomorphometric assessment of the long-term effects of alendronate on bone quality and remodeling in patients with osteoporosis.

Chavassieux, P M, Arlot, M E, Reda, C, Wei, L, Yates, A J, Meunier, P J

Treatment effects on bone quality and remodeling was assessed in postmenopausal women with osteoporosis treated with oral alendronate. One transiliac bone biopsy was obtained from 231 women at either...

Calcium-activated chloride channels in bovine pulmonary artery endothelial cells.

Nilius, B, Prenen, J, Szücs, G, Wei, L, Tanzi, F, Voets, T, ...

1. We characterized Ca(2+)-activated Cl- currents in calf pulmonary artery endothelial (CPAE) cells by using a combined patch clamp and fura-2 microfluorescence technique to simultaneously measure...

Loss of telomeric DNA during aging of normal and trisomy 21 human lymphocytes.

Vaziri, H, Schächter, F, Uchida, I, Wei, L, Zhu, X, Effros, R, ...

The telomere hypothesis of cellular aging proposes that loss of telomeric DNA (TTAGGG) from human chromosomes may ultimately cause cell-cycle exit during replicative senescence. Since lymphocytes...

Presence of bacteriuria caused by trimethoprim resistant bacteria in patients prescribed antibiotics: multilevel model with practice and individual patient data

Donnan, P T, Wei, L, Steinke, D T, Phillips, G, Clarke, R, Noone, A, ...

Objective To look for evidence of a relation between antibiotic resistance and prescribing by general practitioners by analysis of prescribing at both practice and individual patient level.

Histomorphometric assessment of the long-term effects of alendronate on bone quality and remodeling in patients with osteoporosis.

Chavassieux, P M, Arlot, M E, Reda, C, Wei, L, Yates, A J, Meunier, P J

Treatment effects on bone quality and remodeling was assessed in postmenopausal women with osteoporosis treated with oral ale