According to the excellent time-frequency localization analysis properties of the wavelet packet, this thesis describes the distribution of the transient signal quantitatively in time-frequency space by introducing the cxD-norm.

  • 基于小波包变换的优良时频分析特性,通过引入子频带的∞&范数来定量地描述瞬态信号在时频空间中的分布,提出了瞬态信号阈值去噪和频谱分析的新方法。

  • 互联网摘选 2025-02-23 21:33:36

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