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本文件包含了William Stallings编写的优秀教材Data and Computer communications的中文影印版，以及书中的课后习题答案(This document contains the William Stallings excellent teaching materials prepared by Data and Computer communications photocopy version of the Chinese, as well as after-school book answer Exercises)

这是一个包含了至少6个matlab程序的文件，对滤波器，快速算法，多途处理有很大的帮助。 (this file it has at least six matlab programing，including fiter matrix fft fir and multiply channnel，they are all usefuland helpful.)

利用lms算法，实现回波抵消，消除回声信道返回的噪声信号。(Least means squares (LMS algorithm, realize the echo offset, eliminate the noise signal back to the echo channel.)

使用matlab的基本算法来实现equalization（均衡）的计算 而并不是用eq来得到均衡结果(The basic algorithm using matlab to achieve equalization (EQ) is calculated using eq and not to get a balanced result)

MATLAB GUI应用-视频播放器实现(player by MATLAB)

自学Matlab必备的个小程序代码，数值分析的，里面有十个，需要的下载(Small program code, which must self-Matlab ten, you need to download)

matlab源码产生跳频信号的m文件，非常好的(Matlab source of the signals generated hopping m document, very good Eastern)

说明：  采用PSO对CNN进行优化，然后用于数据预测，一个初步的实验，精度有待提高(PSO is used to optimize CNN and then to predict data. A preliminary experiment shows that the accuracy needs to be improved.)

用matlab实现的FIR带通滤波器，直接型，(FIR filter using matlab )

Principal component analysis sourcecode in matlab.