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Simple function that given a matrix of exact values and a corresponding matrix of aproximated values determines diferent error types and the error percentage.

it is a matlab code for producing qpsk waveforms

wavelet transform matlab code

PSO-Griewank for matlab

常用的几个CSF函数（基于人类视觉特性的频域滤波函数），其说明在PDF文档之中(Top CSF function (the frequency domain filter function based on human visual characteristics ), which are described in the PDF document)

采用MATLAB自身的三电平PWM模块，搭建三电平逆变器，输出电流波形正弦度非常好。(Using MATLAB s own three-level PWM module, to build three-level inverter, sine wave output current is very good.)

时间序列分析的matlab程序，包括AR和AEMA模型(err)

运放电路分析，非常实用，简单易懂，有图解分析。(Op amp circuit analysis, is very practical, easy to understand, there are graphic analysis.)

cardoso 的ICA编码，可以用在人脸识别上面(Cardoso ICA coding, can be used in the above Face Recognition)

现代数字信号处理，本章主要介绍滤波器相关内容(advance digital signal processing)