Dr. Jingdong Zhang Profile

Dr. Jingdong Zhang

at Chongqing Univ

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Publications (2)

Proceedings Article | 14 February 2019 Paper

Frequency response enhancement for long-range φ-OTDR system by additive random sampling and nonlinear frequency modulation

Haoting Wu, Jingdong Zhang, Xuefei Sun, Ming Deng, Guolu Yin, Tao Zhu

Proceedings Volume 11048, 110484Q (2019) https://doi.org/10.1117/12.2522938

KEYWORDS: Frequency modulation, Signal to noise ratio, Sensing systems, Pulsed laser operation, Optical filters, Signal detection, Data acquisition, Phase shift keying, Fiber optics sensors, Radar signal processing, Compressed sensing

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Proceedings Article | 23 April 2017 Paper

Breaking through the bandwidth barrier in distributed fiber vibration sensing by sub-Nyquist randomized sampling

Jingdong Zhang, Tao Zhu, Hua Zheng, Yang Kuang, Min Liu, Wei Huang

Proceedings Volume 10323, 103238H (2017) https://doi.org/10.1117/12.2265657

KEYWORDS: Ferroelectric materials, Signal detection, Data acquisition, Sensing systems, Modulation, Backscatter, Reflectometry, Optical amplifiers, Fourier transforms, Statistical analysis

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