PSNR_Stegnography

医学图像的四个纹理特征的matlab程序(Medical images of the four texture features matlab program)

利用Matlab提供的firhalfband函数设计阶数为16、通阻带容限为0.0001的半带滤波器。 仿真测试滤波前后的信号时域图，绘制滤波器的频率响应特性图。( Matlab provides firhalfband function design of the order number is 16, stopband tolerance of 0.0001 half band filter. simulation test before and after filtering signal time domain graph, drawing filter frequency response characteristics of the figure.)

GPSR路由matlab实现，模拟仿真了路由算法的各种性能指标，若有不足请批评指正。(GPSR routing matlab )

船舶运动模拟，需要的赶紧下，过期不候，很实用，ＯＤＥ求解ＯＤＥ(Ship motion simulation, need hurry, without waiting, very practical, ODE solver ODE)

05年美模O奖关于交通流的元胞自动机代码，并有可视化操作代码(it is useful for whoever want to learn cellular automata the programming is excellent for all of you to read and learn.)

说明：  李氏指数求取程序下载！lyapunov指数的求取(lyapunov)

说明：  梯形法求数值积分和simpson法求数值积分以及gauss-lengendre法求数值积分(Trapezoidal method seeking numerical integration and simpson Method the numerical integration the gauss-lengendre Method numerical integration)

基于snell定律的射线追踪，与一般算法不一样，精度比较高(Based on Snell s Law ray tracing, and the general algorithms are not the same, relatively high accuracy)

uav mfile(S-function)

主要内容包括matlab 语言基础、MATLAB程序设计基础、各种数值计算方法程序，可为MATLAB初学者提供学习指导。(The main contents include basic language matlab, MATLAB programming foundation, various numerical methods and procedures, MATLAB provides guidance for beginners to learn.)