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QAM的demo程序，功能很强大，有系统框图，很好理解。对于整个系统的设计帮助很大(matlab qam demo )

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说明：  matlab 基于形状的图像检索算法 关于七个不变矩的主要算法 中 主要体现出 输入输出 的步骤！ ！！！！！！(matlab image retrieval algorithm based on the shape of seven invariant moments on the main algorithm is mainly reflected the input and output of the steps! ! ! ! ! ! !)

对仿真信号进行快速傅里叶变换，再进行经验模态分解，再对每个分量求FFT(Simulation signal fast Fourier transform, and then empirical mode decomposition, and then seek FFT for each component)

说明：  利用matlab编写的小波分解分频和除躁程序，分为高低频率，并除去噪声，达到较好的效果。(Prepared using matlab wavelet decomposition impatient frequency and in addition to procedures, divided into high and low frequency, and to remove noise, to achieve good results.)

该程序利用小波模极大值对图像边缘进行检测并提取,(Edge test by wavelete )

PNM Toolbox，用于Matlab的各种各样对图像处理的源码库(PNM Toolbox for Matlab variety of image processing code libraries)

matlab implemetation fo guided fitler

关于使用MATLAB的软件环境的线性系统的学术文章(Matlab software for inversion of describing functions)

说明：  对空间梁单元利用MATLAB进行了编程，仅供参考(The space beam element is programmed by MATLAB, just for reference)