Opto-Electronic Engineering, Volume. 49, Issue 5, 210391(2022)

Research on the forward predictor of minimum mean square error in laser vibrometer

Zhihao Wang1...2,3, Wenxi Zhang1,2,3,*, Zhou Wu1,2,3, Xinxin Kong1,3, Yongbiao Wang1,3, and Yiwei Hao13 |Show fewer author(s)
Author Affiliations
  • 1Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
  • 2School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Key Laboratory of Computational Optical Imaging Technology, Chinese Academy of Sciences, Beijing 100094, China
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    Figures & Tables(13)
    Orthogonal demodulation flow chart
    Block diagram of LMS forward predictor
    Influence of input signal frequency on filter SNR
    Influence of input signal peak on filter SNR
    Influence of step size coefficient on filter SNR
    The effect of order on filter signal-to-noise ratio
    The impact of the input signal SNR on filter SNR
    Learning curves under different length coefficients
    Block diagram of adaptive filtering data processing flow for vibration velocity signal
    Experimental equipment and schematic diagram. (a) Schematic diagram of experimental system; (b) Physical drawing of experimental system
    Waveform and spectrum comparison before and after filtering. (a) Waveform and spectrum diagram before filtering; (b) Waveform and spectrum diagram after filtering
    Experiment on the relation between input signal frequency and filter SNR
    Experiment on the relationship between input signal peak value and filter SNR
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    Zhihao Wang, Wenxi Zhang, Zhou Wu, Xinxin Kong, Yongbiao Wang, Yiwei Hao. Research on the forward predictor of minimum mean square error in laser vibrometer[J]. Opto-Electronic Engineering, 2022, 49(5): 210391

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    Paper Information

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    Received: Dec. 4, 2021

    Accepted: --

    Published Online: Jun. 10, 2022

    The Author Email: Zhang Wenxi (zhangwenxi@aoe.ac.cn)

    DOI:10.12086/oee.2022.210391

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