siweixiangtu

里面包含主元分析PCA的Matlab代码，包括提取主元，求方差贡献率，绘制贡献率直方图等(Which contains the principal component analysis PCA of the Matlab code, including the extraction of the main element, seeking variance contribution rate, contribution rate of histogram mapping, etc.)

雷达杂波建模与仿真,一种地杂波谱的计算与仿真方法等7篇关于各种雷达杂波仿真的资料(Radar Clutter Modeling and Simulation, a clutter spectrum in the calculation and simulation methods, such as 7 on a variety of radar clutter simulation data)

一个升余弦滤波器的例子，应用在bpsk系统，思路清晰(A rose cosine filter examples, used in BPSK system, clear thinking )

信号处理，当一些学生在做毕业设计时，需要用到这个程序(signal change)

利用Matlab编程实现主成分分析,从数学角度来看，这是一种降维处理技术(Using Matlab programming principal component analysis, from a mathematical point of view, this is a dimension reduction process technology)

the problem Matlab.pdf 这是个对于初学者很有用的 希望大家都能学好matlab(the problem Matlab.pdf This is very useful for beginners I hope people will learn matlab)

这是数字信号处理的好资料，详细地介绍如何用MATLAB进行信号分析与处理，想学习的可以下载看看。(This is good information on digital signal processing, detailed information on how to use MATLAB for signal analysis and processing, want to study can be downloaded to see.)

matlab程序：利用小波变换实现图像的变换和反变换(matlab program: using wavelet transform image transform and inverse transform)

说明：  采用声子晶体能带理论求解周期性结构振动特性，采用解析法编程，适合初学者学习参考(Wave propagation in periodic structures band-gap behaviours)

说明：  利用数值计算 求解浅水方程，利用了Lax-wendroff有限差分，并附有输出图像展示(The shallow water equation is solved by numerical calculation, and the Lax-Wendroff finite difference method is used with output image display.)