The basic theory of wavelet analysis that applied to vibrational signal analysis is presented. 介绍用于振动信号分析的小波分析基本理论。
Finally, the extended MCTS EMD is used to extract the feature signal of a special vehicle and it is in agreement with the analysis result. 最后将它应用到实际某特种车辆振动信号的特征提取中，得到了满意的结果。
