DS-cdma

说明：  基于K-MEANS的图像退色算法。平台为MATLAB6.5及以上。(Based on the K-MEANS algorithm image fade)

Very good book on matlab

通过步进频率技术实现二维信号的带宽合成，提高雷达信号的距离向分辨率。(Through the step frequency technology to 2 d signal bandwidth synthesis, improve the distance of the radar signal to the resolution. )

按照给定的差分格式编程实现求出数值解；结合格式的相容性和收敛性条件简单分析计算结果。(Numerical solution obtained in accordance with the given differential format programming combined format compatibility and convergence conditions simple analysis of the calculation results.)

种大气湍流相位屏仿真函数，可准确模拟大气对激光相位的改变。(An atmospheric turbulence phase screen simulation function, can accurately simulate the atmospheric changes to the laser phase.)

说明：  这是瑞利信道德仿真模型，用matlab 写的，比较使用方便。(letter moral simulation model was made using Matlab and relatively easy to use.)

code for sattelite calculaton

Matlab pfile which subsamples a boundary by assigning each of its points to the grid node to which it is closest.

model of type 1 subcat. sensor

QPSK Modulation Demodulation, BER vs SNR plot