Dr. Qi Qin Profile

Dr. Qi Qin

at Beijing Jiaotong Univ

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Publications (2)

Proceedings Article | 7 August 2023 Paper

Application of wavelet denoising in 3×3 phase demodulation linewidth measurement system

Lingyun Zhou, Fengping Yan, Qi Qin, Guangbo Li, Ting Li, Dandan Yang, Yan Liu, Ting Feng

Proceedings Volume 12781, 1278111 (2023) https://doi.org/10.1117/12.2686841

KEYWORDS: Wavelets, Laser frequency, Denoising, Demodulation, Signal to noise ratio, Spectral density, Signal processing, Interference (communication), Phase measurement

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Proceedings Article | 27 March 2022 Paper

Preliminary demonstration of text and real-time video transmission in free space optical communication system at 2 μm band

Baio Guan, Fengping Yan, Ting Feng, Wenguo Han, Qi Qin, Luna Zhang, Ting Li, Ying Guo, Zhuoya Bai, Yuping Suo, Hong Zhou

Proceedings Volume 12169, 121699M (2022) https://doi.org/10.1117/12.2625449

KEYWORDS: Fiber lasers, Video, Free space optical communications, Telecommunications, Modulation, Free space optics, Continuous wave operation, Free space, Fiber amplifiers, Data transmission

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