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直接序列扩频（DS）原理的仿真程序，通过该程序你可以很好地理解直接序列扩频原理。(Direct Sequence Spread Spectrum (DS) The principle of simulation program, through the program you can very well understand the principle of direct sequence spread spectrum.)

随机产生一QPSK调制信号，通过一随机产生的低通滤波器，然后使用LMS算法实现了系统哦你的辨识。(Randomly generate a QPSK modulation signal generated by a random low-pass filter, and then use the LMS algorithm of the system Oh, your identification.)

基于MATLAB对FIR数字低通滤波器进行设计，其中的MATLAB源程序通过实验验证(FIR digital low-pass filter design based on MATLAB, MATLAB source verified by experiments)

Gabor wavelet Image retrieval

说明：  用于预测航运港口利用率的神经网络模型，基于时间递推。泛化(time chain for port)

Hamming 15, 11 Viterbi encoding and Decoding

拉格朗日乘数法 ， 主要解决求多元函数条件极值的问题。任何一本《高等数学》，《多元微积分》的教材都会介绍(Lagrange multiplier method, mainly to address the requirements of multi-function conditions extremum. A " higher mathematics" , multivariate calculus textbooks will be introduced)

这是一本信号与系统方向的圣经，我这里上传上来，希望对大家有用。(It is a bible in the aspect of signal and system. I upload it and want to share with people who need it and hope to help him/her.)

该仿真平台是在特定多径衰落环境下对WCDMA基站和移动台的行为和性能进行仿真，包括下行和上行链路的仿真，并且有图形用户界面GUI(The simulation platform is a multipath fading environment in particular on the behavior and performance of WCDMA base station and mobile station simulation, including simulation of the downlink and uplink, and has a graphical user interface (GUI))

说明：  matlab特征值与特征向量的计算有14个例子代码(There are 14 example codes for calculating matlab eigenvalues and eigenvectors)