Information-Hiding-PNG

Matlab与VC++的混合编程，利用Matlab强大的混图功能在VC画出想要的图形，操作步骤详细易学(Matlab and VC++ mixed programming, Matlab, mixed plan features a powerful draw the desired graphics in VC, the steps to learn more)

子载波数 128 位数/ 符号 2 符号数/ 载波 1000 训练符号数 0 循环前缀长度 8 (1/16)*T 调制方式 4-QAM 多径信道数 3 IFFT Size 128 信道最大时延 2 (Subcarriers median number of 128 percent/2 percent symbol symbol number/carrier training symbols 1000 a few 0 cyclic prefix length of 8 (1/16)* T modulation 4-QAM the number of multi-path channel 3 IFFT Size 128 the largest delay channel 2)

MATLAB中用FDATool设计滤波器及使用 该文章讲述了MATLAB中用FDATool设计滤波器及使用. (Filter Design)

FFT的matlab实现,利用蝶形算法计算fft的matlab(Matlab implementation of FFT, using the matlab fft butterfly algorithm)

this is code for matlab for modulation

说明：  一、 实验目的 在计算机上用迭代法求非线性方程地f(x)=0的根。 二、 实验平台 操作系统：Microsoft Windows Vista SP1 数学软件：Matlab7.0.0.19920(R14) (First, the experiment was on the computer using iteration method to nonlinear equations f (x) = 0 root. Second, experimental platform, operating system: Microsoft Windows Vista SP1 mathematical software: Matlab7.0.0.19920 (R14))

数字维纳FIR（有限长）滤波与理想滤波效果比较(wiener filter)

用龙哥库塔方法求解积分，5阶龙格库塔方法(Method for solving integral with Long Ge Kuta, fifth-order Runge-Kutta method)

This is IEEE implementation here

这是模拟飞机飞行的不同阶段的轨迹程序，比较全面，可用于捷联和组合导航的数据来源(This is a simulated flight trajectory of the different stages of process, more comprehensive, can be used in strapdown and navigation data sources)