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Accurate non-contact retrieval in micro vibration by a 100GHz radar

基于100GHz雷达的高精度非接触微弱振动参数提取

摘要

创新点

经振动目标反射后, 雷达基带回波可以表示为一系列幅值与振动幅度有关的谐波。基于雷达回波的一个谐波对比值, 可以提取出目标的振动幅度参数。为了抑制噪声对振幅反演精度的影响, 本文提出了同时利用多谐波对, 基于最小均方误差的改进振幅反演方法。 同时, 基于100GHz雷达的振动测量实验, 证实了改进方法具有更高的振幅反演精度。

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Author information

Correspondence to Cheng Hu.

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The authors declare that they have no conflict of interest.

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Wang, R., Li, A., Hu, C. et al. Accurate non-contact retrieval in micro vibration by a 100GHz radar. Sci. China Inf. Sci. 59, 109301 (2016). https://doi.org/10.1007/s11432-016-0028-y

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关键词

  • W波段
  • 高精度
  • 微弱振动
  • 贝塞尔函数
  • 多谐波对
  • 最小均方误差