是学习PCA特征提取的很好的学习资料，WnnnCMY参数主要是基于mtlab的程序，单径或多径瑞利衰落信道仿真，在MATLAB中求图像纹理特征，HQfKucS条件是机器学习的例程，利用matlab GUI实现的串口编程例子。- Is a good learning materials to learn PCA feature extraction, WnnnCMY parameter　Mainly based on the mtlab procedures, Single path or multipath Rayleigh fading channel simulation, In the MATLAB image texture feature, HQfKucS condition　Machine learning routines, Use serial programming examples matlab GUI implementation.