Cascaded-Inverter

IIR设计及讲解，介绍了双线性变换法，巴特沃斯变换法及滤波器设计的程序和结果。(IIR design and explain, introduced bilinear transform, transform, and Butterworth filter design procedures and results.)

对线性系统和非线性系统进行的仿真，使之能在较逼真的建模(Of linear systems and nonlinear systems of simulation, so in a more realistic modeling)

古典密码学中的一些实现加密的算法，用Matlab实现的。(Classical Cryptography to achieve some of the encryption algorithm, using Matlab to achieve.)

face recognition with lda+pca

pso coding in matlab

基于倒谱距离的语音信号端点检测方法的matlab程序，可以用于语音信号端点检测(Cepstral distance voice signal endpoint detection method based on the matlab program that can be used for voice signal endpoint detection)

Frequncy Filtering in digital image processing

对生活照片的人脸分割，达到一定的实用效果，适合于新手(Photos of life who face segmentation, to achieve some practical results, suitable for beginners)

说明：  ldpc校验矩阵的代码 基于matlab写的 还请多多指点，新手(ldpc calibration matrix code based on Matlab also invited to write a lot of guidance, and newcomers)

信号处理中短时傅里叶变换（STFT）的实现，可用于实时系统，实时语音处理或者分段的FFT计算，亲测可用，拿走不谢！(The implementation of short time Fourier transform (STFT) in signal processing can be used for real-time system, real-time speech processing or segmented FFT calculation!)