CONFERENCE PROCEEDINGS
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Changdong Tian
at Tsinghua Univ.
SPIE Involvement:
Author
Publications (5)
Proceedings Article | 7 November 2012 Paper
Noise analysis and optimization for PGC method
Zhiguang Dai, Changdong Tian, Kai Wang, Liwei Wang, Min Zhang, Yanbiao Liao
Proceedings Volume 8421, 84218A (2012) https://doi.org/10.1117/12.966819
KEYWORDS: Phase shift keying, Laser sources, Modulation, Interferometers, Sensors, Multiplexing, Factor analysis, Interference (communication), Demodulation, Linear filtering
Proceedings Article | 7 November 2012 Paper
The influence of parameters measurement error on demodulation performance of PGC arctangent algorithm in optical fiber hydrophone
Kai Wang, Qingping Shi, Zhiguang Dai, Changdong Tian, Shangran Xie, Chang Yang, Shan Cao, Fajie Duan, Min Zhang, Yanbiao Liao
Proceedings Volume 8421, 8421B6 (2012) https://doi.org/10.1117/12.974817
KEYWORDS: Error analysis, Demodulation, Optical fibers, Phase shift keying, Modulation, Distortion, Signal detection, Statistical analysis, Multiplexing, Optoelectronics
Proceedings Article | 9 November 2010 Paper
A new phase generated carrier demodulation method based on fixed phase delay
Qingping Shi, Liwei Wang, Huayong Zhang, Changdong Tian, Min Zhang, Qian Tian, Yanbiao Liao
Proceedings Volume 7853, 785335 (2010) https://doi.org/10.1117/12.870378
KEYWORDS: Phase shift keying, Demodulation, Modulation, Signal to noise ratio, Frequency modulation, Directional couplers, Fermium, Interferometry, Sensors, Fiber optics sensors
SPIE Journal Paper | 1 February 2010
Performance improvement of phase-generated carrier method by eliminating laser-intensity modulation for optical seismometer
Qingping Shi, Qian Tian, Liwei Wang, Changdong Tian, Huayong Zhang, Min Zhang, Yanbiao Liao, Honghua Wang, Xiang Zeng, Longjun Huang
OE, Vol. 49, Issue 02, 024402, (February 2010) https://doi.org/10.1117/12.10.1117/1.3294878
KEYWORDS: Signal to noise ratio, Modulation, Demodulation, Phase shift keying, Ocean optics, Seismic sensors, Laser optics, Semiconductor lasers, Optical engineering, Fiber optics sensors
Proceedings Article | 5 October 2009 Paper
Performance improvement of PGC method by using lookup table for optical seismometer
Changdong Tian, Liwei Wang, Min Zhang, Huayong Zhang, Xiaohui Chu, Shurong Lai, Yanbiao Liao
Proceedings Volume 7503, 750348 (2009) https://doi.org/10.1117/12.834107
KEYWORDS: Demodulation, Laser induced damage, Modulation, Ocean optics, Interferometers, Linear filtering, Phase shift keying, Laser sources, Sensors, Michelson interferometers
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