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这个程序实现了一个mini的MAC系统，唯一的缺点是并没有考虑到功率限制的问题。(This program realise a system of minipac,the only shortcoming is that the lack consideration of power constraint.)

说明：  codes related to optimization

DV_HOP 源码 大家相互学习…………………………………………………………………………(DV_HOP Source)

MATLAB中一些常用的函数，在做实验时可以直接选定函数进行编程。(Some commonly used functions in MATLAB, the experiment can be programmed directly to the selected function.)

改进的四阶龙格库塔算法，Improved fourth-order Runge-Kutta algorithm另带独立分量法程序(Improved fourth-order Runge-Kutta algorithm)

用matlab进行直序扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真(Using matlab for Direct Sequence Spread Spectrum Communication System Simulation and Analysis of bit error rate PN code synchronization methods and simulation)

说明：  一个用于产生海宁窗的Matlab函数，系统函数库也有(Haining window used to generate a Matlab function, the system function library is also)

说明：  利用改进的LM算法实现非线性最小二乘法拟合曲线(Using the improved LM algorithm to realize the curve fitting of nonlinear least square method)

机车制动速度提取分析,分析刹车，减速，加速，制动速度以及加速度的变化(Locomotive brake speed extraction and analysis, analysis of braking, deceleration, acceleration, braking and speed of change of acceleration)

关于信息安全的数字水印技术，其的提取与嵌入过程！(On information security digital watermarking technology, the extraction and embedding process!)