5wwaavelift)

实现对自己录制语音信号的加噪，并设计滤波器对其滤波。(To achieve their own recorded voice signal plus noise, and to design filters for its filter.)

Data mining, machine learning

说明：  MATLAB 最新的时频分析工具箱1，里面包含大量的MATLAB时频分析函数(The latest MATLAB toolbox 1 time-frequency analysis, which contains a large number of time-frequency analysis of the MATLAB function)

语音信号子带编码源程序，用matlab做的(voice signal source sub-band coding, using Matlab done)

自己学习svm，编写的几个svm实例代码(Their own learning svm, svm example code written in several)

QPSK仿真，Eb/N0=0:10,得出BER与Eb/N0的关系曲线，AWGN信道(QPSK simulation, Eb/N0 = 0:10, draw BER versus Eb/N0 of the curve, AWGN channel)

光学设计：半导体激光器动态特性计算，LED电流—电压特性曲线仿真，高斯光束透镜变换特性的分析，光波在介质面上反射折射仿真计算，平行平面腔模的迭代解法(Optical Design: semiconductor laser dynamics calculations, LED current- voltage characteristics simulation, transformation properties of Gaussian beam analysis of the lens, light refraction in the medium surface of the reflector simulation, parallel to the plane of the cavity mode iterative solution)

讲述了机械故障诊断中一些理论知识，如现在常用的HHT，对初学者有帮助。(Tells the story of some mechanical fault diagnosis theory of knowledge, such as the now commonly used HHT, help for beginners.)

code for parsing signal into frames.

小波包提取特征值。 matlab 往复式压缩机(Wavelet packet eigenvalue extraction. reciprocating compressor matlab)