基于数学形态梯度谱熵的性能退化特征提取方法及其应用

刘鹏，李洪儒，许葆华

A performance degradation feature extraction method and its application based on mathematical morphological gradient spectrum entropy

Liu Peng, Li Hong-ru, Xu Bao-hua

振动与冲击 . 2016, (16): 86 -90 .