Laser & Optoelectronics Progress, Volume. 59, Issue 1, 0112003(2022)

Research of Phase-Sensitive-Detection Algorithm Based on Adaptive Filtering

Ming Lei1,2,3, Zhihui Feng1,2,3、*, Yaming Nan1,2,3, and Tian Feng1,2,3
Author Affiliations
  • 1Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Key Laboratory of Science and Technology on Space Optoelectronic Precision Measurement, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China
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    Figures & Tables(6)
    Diagram of the coordinate system
    Relationship between θ and the DWS signal
    Structure of the digital phase-locked demodulator with Kalman filter
    MSE of phase discrimination of Kalman filtering
    MSE of phase discrimination of adaptive Kalman filtering
    Probability distribution of misalignment detection. (a) Results of Kalman filtering; (b) results of adaptive Kalman filtering
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    Ming Lei, Zhihui Feng, Yaming Nan, Tian Feng. Research of Phase-Sensitive-Detection Algorithm Based on Adaptive Filtering[J]. Laser & Optoelectronics Progress, 2022, 59(1): 0112003

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Jan. 21, 2021

    Accepted: Apr. 28, 2021

    Published Online: Dec. 23, 2021

    The Author Email: Feng Zhihui (fengzh@ioe.ac.cn)

    DOI:10.3788/LOP202259.0112003

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