提出了利用波形长短时窗能量比值与波形信号能量包络的平方乘积检测横波初至的新方法。
A new technique for picking the first S-Wave arrival is presented by multiplying energy ratio of the long window to the short window by the square of the amplitude envelope of waveforms in the paper.
颜色特征采用整数小波低频系数矩阵中环形区域的F -范数，纹理特征则采用高频部分的能量比值。
The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
换句话说，温度和能量的比值，应该出现在这里。
In other words, the ratio of energy to temperature should be involved here.
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