改进希尔伯特-黄变换含噪振动信号时频分析
孙苗, 杨钧凯, 吴立

Time-Frequency Analysis of Noisy Vibration Signal Based on Improved Hilbert-Huang Transform
SUN Miao, YANG Junkai, WU Li
图6 IMF1时频能量特征图
Fig.6 Time-frequency energy characteristic of IMF1