feature

代码说明：

  该文件包含了一些常用的声辐射噪声的特征提取方法，包括波形的包络特征，高阶谱特征，分形维特征，奇异指数特征等。(The document contains some common acoustic feature extraction method of noise, including waveform envelope characteristics, higher order spectral features, characteristic of fractal dimension, singular index characteristics.)

文件列表：

feature
.......\paraestimate
.......\............\fxcorr.m,594,2003-10-28
.......\............\getcortime.m,720,2004-03-09
.......\............\getshiftime.m,540,2004-03-09
.......\............\leastesti3.m,521,2003-11-02
.......\............\leastesti4.m,1011,2003-11-01
.......\............\leastesti5.m,1654,2003-11-03
.......\............\MarcovParaEnveFeaNew1.mat,11152,2003-11-14
.......\............\MarcovParaFea2.mat,11144,2003-11-04
.......\............\MarcovParaFea3.mat,11144,2003-11-04
.......\............\MarcovParaFea4.mat,11144,2003-11-04
.......\............\MarcovParaFea5.mat,11144,2003-11-04
.......\............\MarcovParaFea8.mat,11144,2003-11-03
.......\............\MarcovParaFeaDen.mat,11144,2003-11-10
.......\............\MarcovParaFeaEnveNew4.mat,11152,2003-11-11
.......\............\MarkovFeaAbs.m,18719,2004-03-03
.......\............\MarkovFeaEst.asv,2131,2004-03-03
.......\............\MarkovFeaEst.m,2136,2004-03-09
.......\............\MarkovStructure.mat,11144,2003-11-04
.......\............\SinkStructure.mat,14792,2003-11-04
.......\其它特征
.......\........\CalSimilar.asv,291,2003-11-12
.......\........\CalSimilar.m,308,2003-11-14
.......\........\SimilarFea.m,18525,2004-03-03
.......\........\WaveletEnt.mat,22088,2003-11-02
.......\........\WaveletEnt_d.mat,127880,2003-11-13
.......\........\WaveletZeroWave.m,27104,2003-11-13
.......\........\ZeroWaveEnt.m,458,2004-03-03
.......\........\ZeroWavEntAbs.m,227,2004-03-03
.......\分形维特征
.......\..........\d2f4feature.mat,3840,2003-03-10
.......\..........\fead2ff4.asv,10425,2003-05-04
.......\..........\fead2ff4.m,10306,2003-05-04
.......\..........\fenx4f.asv,10224,2003-03-10
.......\..........\fenx4f.m,10237,2003-04-24
.......\..........\fenx4f4096.m,10256,2003-10-20
.......\..........\fenxfea.mat,7488,2003-04-25
.......\..........\fenxfea1.mat,14792,2003-04-21
.......\..........\fenx_fea2.mat,3848,2003-05-09
.......\..........\q-10.fig,156544,2003-04-24
.......\..........\q-11.fig,156544,2003-04-24
.......\..........\q-12.fig,156544,2003-04-24
.......\..........\q-13.fig,156544,2003-04-24
.......\..........\q-15.fig,156544,2003-04-24
.......\..........\q-16.fig,160712,2003-04-24
.......\..........\q-20.fig,160712,2003-04-24
.......\..........\timefenx.asv,23714,2003-05-09
.......\..........\timefenx.m,23714,2003-05-09
.......\奇异指数特征
.......\............\lipsfea.asv,11585,2003-03-11
.......\............\lipsfea.m,11585,2003-03-11
.......\............\lipsfeature.mat,7488,2003-03-10
.......\波形特征
.......\........\freqampl.asv,563,2003-04-25
.......\........\freqampl.m,675,2003-04-27
.......\........\frequence.asv,823,2003-10-31
.......\........\frequence.m,830,2003-10-31
.......\........\lengthDif.fig,51768,2003-10-31
.......\........\peak.m,279,2003-04-24
.......\........\shipnoise.mat,8376,2003-11-11
.......\........\sub_k.m,284,2003-04-24
.......\........\WaveStructure.mat,29384,2003-11-13
.......\........\WaveStructure1.mat,29384,2003-11-03
.......\........\WaveStructure2.mat,29384,2003-11-03
.......\........\WavStruct.asv,2579,2004-03-10
.......\........\WavStruct.m,2579,2004-03-10
.......\........\WavStructmainpos.m,2594,2004-04-15
.......\........\WavStruFea.asv,16282,2003-11-03
.......\........\WavStruFea.m,10728,2004-03-03
.......\........\x_map_y.m,253,2003-04-24
.......\........\y_map_z.m,342,2003-04-24
.......\........\zerowave.m,783,2003-04-27
.......\高阶谱
.......\......\onehalfea.mat,9768,2003-03-16
.......\......\spec121.asv,10516,2003-02-28
.......\......\spec121.m,10443,2003-02-28