Based on the local characteristics of signals, a local wave method ( LWM) can be employed to obtain the instantaneous frequency of signals and the Hilbert time frequency spectrum composed of an energy time frequency three dimensional distribution.

  • 局域波法是基于信号局部特征,通过该方法可得到信号的瞬时频率和构成能量-时间-频率三维分布的Hilbert时频谱。

  • 互联网摘选 2025-01-20 17:42:33

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