利用matlab进行时域分析，本实验首录了三个音频。并编写程序求其特征值。特征值有平均值，整流平均值方差，标准差，方差，峭度，均方根，波形因子，峭度因子，峰值因子，脉冲因子，裕度因子。还有就是对音频进行自相关分析得出其波形图。-Use matlab time-domain analysis, the first experiment recorded three audio. Programming and seeking the eigenvalues. Characteristic valu

基于声压有效值等效的1/3倍频程分析MATLAB程序，通过此程序可得到任意一段脉动信号的1/3倍频程bar图。-Analysis of MATLAB programs Based on sound pressure rms equivalent of 1/3 octave, this program can be obtained through the 1/3 octave bar diagram for any period of pulsating signals.

matlab 产生高斯随机粗糙面的函数 输入变量为点数 长度 相关长度 均方根高度-Matlab generated Gaussian random rough surface function of the input variables for the length of the relevant length of the length of rms height

表面肌电信号处理的matlab程序，包括带通滤波、50Hz陷波滤波程序，以及计算时域、频域的指标iMEG、RMS ， MF、MPF(The matlab program of sEMG signal processing includes band-pass filter, 50 Hz notch filter program, and calculation of time and frequency domain index IMEG, RMS, MF, MPF)