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This matlab code has a PCM siystem

This simple source codes implement cognitive radio.Hope its useful for you.

基于 Matlab Simulink 的频谱分析。(The objectives of this laboratory are: To introduce the spectrum analyzer as used in frequency domain analysis. To identify various types of linear modulated waveforms in time and frequency domain representations. To implement theoretically functional circuits using the Communications Module Design System (CMDS).)

这是一个关于多输入多输出系统的频域忙识别系统的matlab源码，作者基于二阶和更高阶统计，获得了比较良好的识别效果，文件中包含了文章，可参照起来理解源码。(This is one of the multiple-input multiple-output system in the frequency domain busy Recognition System Matlab source, Based on the second-order and higher-order statistics, access to a relatively good recognition results, the paper contains articles, can be read in the light source.)

说明：  系统的介绍了独立分析原理，并有相关的代码解释(System introduced the principle of independent analysis and code interpretation)

使用PSO算法求解适应度函数fitness的极值。fitness可以自己任意定义。(PSO algorithm using the fitness function fitness of the extreme value. fitness can define their own arbitrary.)

此代码是高级数字信号处理中用到的谱估计伯格法，已经设置好参数，直接运行即可。(This code is the advanced digital signal processing used in Burg spectral estimation method, has been set up parameters can be directly run.)

对之前求取细通道内气泡长度和频率的程序进行修改，使之运算速度加快，(Before passage of fine bubbles strike length and frequency of the procedure to be modified, so that the operation speed,)

可以生成二维码,然后可以读取二维码比较结果(Can generate a two-dimensional code, and then compare the results can be read two-dimensional code)

proakis书籍中的matlab仿真代码(proakis books of matlab simulation code)