Dr. Yidi Chang Profile

Dr. Yidi Chang

at Changchun Univ of Science and Technology

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Author

Publications (3)

Proceedings Article | 21 April 2023 Paper

Channel equalization based on time domain spreading of Gaussian optical pulse turbulence channel transmission

Tongtong Geng, Zhi Liu, Yidi Chang, Haifeng Yao, Guiyun Zhang, Qingfang Jiang

Proceedings Volume 12602, 126020S (2023) https://doi.org/10.1117/12.2668184

KEYWORDS: Crosstalk, Atmospheric turbulence, Pulsed laser operation, Signal to noise ratio, Free space optical communications, Digital filtering

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Proceedings Article | 4 August 2022 Paper

Research on 4-PAM signal compensation technology for high-speed indoor FSOC based on FNN

Yidi Chang, Zhi Liu, Haifeng Yao, Tongtong Geng, Yugeng Chen, Shutong Liu

Proceedings Volume 12306, 123060L (2022) https://doi.org/10.1117/12.2641357

KEYWORDS: Telecommunications, Nonlinear optics, Complex systems, Free space optics, Neural networks, Modulators, Digital signal processing, Optical communications, Modulation

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SPIE Journal Paper | 9 July 2022

Performance analysis of PPM FSOC system with APD detector considering atmospheric turbulence channel and fiber coupling

Yidi Chang, Zhi Liu, Haifeng Yao, Xiaolong Ni, Baoqun Li

OE, Vol. 61, Issue 07, 076103, (July 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.7.076103

KEYWORDS: Avalanche photodetectors, Sensors, Telecommunications, Modulation, Signal to noise ratio, Atmospheric turbulence, Turbulence, Wavefront compensation, Orthogonal frequency division multiplexing, Optical engineering

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