shipinfenxi-

代码说明：

  用stft、小波变换、EMD分别对突变信号进行时频分析(With stft, wavelet transform, EMD mutations were signals of time-frequency analysis)

文件列表：

时频分析
........\hhtnlp1.m,745,2009-10-11
........\HHTsp.m,1004,2009-10-14
........\m.m,352,2009-09-08
........\m1.m,304,2009-09-04
........\m10.m,1031,2009-09-21
........\m11.m,734,2009-09-19
........\m12.m,546,2009-09-10
........\m13.m,293,2009-10-14
........\m2.m,207,2009-09-04
........\m7.m,1367,2009-10-16
........\m77.m,553,2009-09-20
........\m89.m,542,2009-09-27
........\nlp2.m,731,2009-10-10
........\nlp3.m,741,2009-10-09
........\nlp4.m,590,2009-10-09
........\sp.m,1730,2009-10-14
........\sp2.m,1773,2009-10-11
........\stftsp.m,687,2009-10-12