entropy

时域信号分析，用MATLAB实现观察仿真，可以看到时域信号频域信号的区别(Laboratory Exercise 1 DISCRETE-TIME SIGNALS: TIME-DOMAIN REPRESENTATION )

1/3 oct filter code,used for frequency analysis(1/3oct matlab code,used for frequency analysis)

Linear Wave Theory velocity and acceralation clalc

MFCC特征提取算法以及语音端点检测源码(MFCC feature extraction algorithm and voice activity detection source)

多变量无约束问题的优化最优化方法之梯度下降法(Optimization of the gradient descent method)

短时傅里叶分析短时傅里叶分析短时傅里叶分析(Short-time Fourier analysis of short-time Fourier analysis of short-time Fourier analysis)

v线性调频信号的产生 线性调频信号的产生 线性调频信号的产生(chirps signs)

说明：  扩展卡尔曼滤波与粒子滤波滤波性能比较的源程序(Extended Kalman filter and particle filter source)

本程序本人在matlab环境中处理电控发动机中处理点火波形，方便分析点火波形从而诊断故障。(The procedure is designed by myself in the matlab environment to deal with electronically controlled engine ignition waveform, to facilitate analysis of the ignition waveform to diagnose the problem.)

k-means matlab code full