Walsh---Hadamard-transform

随机接入ALOHA协议，仿真其吞吐性能以及时延性能。(ALOHA random access protocol, the simulation of its throughput performance and delay performance.)

PCM（脉冲编码调制，包括A律和U律压缩等功能的实现）(PCM (pulse code modulation, including legal and U A legal functions of the compression achieved))

说明：  实现flody算法，功能：计算任意两点之间距离(Achieve flody algorithm functions: calculate the distance between any two points)

内含结构拓扑优化的众多数学规划方法，其中包含最小二乘法、移动渐近线法等等(The file includes many methods for topology optimization，such as the method of moving asymptotes.)

包络曲线的求法 matlab中的一种求上下包络的算法，特别经典的两种算法(Envelope curve for France matlab down in one envelope seeking algorithms, especially the classic two algorithms)

数值计算常用程序 牛顿法了 阿达姆斯了 雅克比 等十多个 本人自己编的 很适合初学者 C语言和matlab的 欢迎下载(Newton numerical procedure used the Adams Jacques ratio of more than 10, I made themselves very suitable for beginners are welcome to download)

很详细的matlab使用教程，全书一共十一章。(Matlab use a very detailed tutorial book a total of eleven chapters.)

使用Matlab对一集体函数进行fft计算，并绘制复制图像，并减小栅格效应(Using Matlab fft function on a collective basis, and draw copy the image and reduce the effect of the grid)

Butterworth Bandpass Filter

经验模态分解emd，HIlbert变换工具箱，用以处理非线性非平稳信号，时频分析。(Empirical mode decomposition emd Hilbert transform toolbox for nonlinear and non-stationary signals, time-frequency analysis.)