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Frequency modulation nonlinear correction and range-extension method based on laser frequency scanning interference

机译:基于激光频率扫描干扰的频率调制非线性校正和范围扩展方法

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摘要

A phase spread frequency sampling method is proposed. This method can be used to correct the nonlinearity in the beat frequency of a measurement signal. The proposed method expands the phase of the auxiliary interference beat signal, thereby satisfying the Nyquist sampling theorem, correcting the nonlinearity in the beat frequency of the measured signal, and solving the problem of limited range. The conditions over which the frequency sampling method can be applied are expanded. The measurement range is flexibly expanded by performing multiple phase expansions. (C) 2021 Optical Society of America
机译:提出了一种相位扩展频率采样方法。该方法可用于校正测量信号拍频中的非线性。该方法扩展了辅助干扰拍频信号的相位,从而满足奈奎斯特采样定理,校正了被测信号拍频的非线性,解决了有限范围的问题。扩展了频率采样法的适用条件。通过执行多相位扩展,可灵活扩展测量范围。(2021)美国光学学会

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  • 来源
    《Applied optics》 |2021年第12期|共6页
  • 作者单位

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

    China Jiliang Univ Coll Metrol &

    Measurement Engn Xueyuan St 258 Hangzhou 310018 Zhejiang Peoples R China;

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  • 正文语种 eng
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