frequency-tim相关论文
In this paper, 238 Rayleigh wave path data are selected and processed by the matched-filtering frequency-time analysis t......
提出了本征模式函数IMF成员相应的幅度及频率时间函数的计算方法。由函数的Hilbert谱可获得相关的边缘谱，边缘谱确定了几乎连续的能......
