qpsk-pca

STEGANOGRAPHY for security using image processing

Physical Modeling in MATLAB

可以用本程序产生散斑竖条纹，简单实用，便于操作。(This program can be used to produce speckle vertical stripes, simple, practical, easy to operate.)

本文对传统方法与MATLAB编程方法进行了比较，研究了用MATLAB实现巴特沃斯滤波器的设计，只要改变程序中相应 的参数可以很容易地实现低通、高通、带通、带阻滤波器，简化了模拟滤波器的设计。(Filter Design using matlab )

光子筛孔分布的例程，环数相同，用于光子筛成像时使用(Photon sieve distribution routines same ring number, is used for imaging photon sieve)

认知无线电当中非合作吞吐量与感知时间的关系，可以在Matlab环境中运行(Cognitive radio which the throughput of non-cooperation with the relationship of perceived time, you can run in the Matlab environment)

用simulink搭建的双馈风机模型，可用于风机并网的模拟，计算。较为复杂(Double-fed fanThe model of doubly-fed fan built by Simulink can be used to simulate and calculate the fan connected to the grid. More complex)

sar图像去噪的几种新的方法，加入重复控制，针对EMD方法的不足。( Several new methods sar image denoising, Join repetitive control, For lack of EMD.)

说明：  dpsk信号的调制与解调 是基于matlab开发环境

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