leach

重要参数的提取，小波包分析提取振动信号中的特征频率，一种噪声辅助数据分析方法。( Extract important parameters, Wavelet packet analysis to extract vibration signal characteristic frequency, A noise auxiliary data analysis method.)

有k_means和em算法,k_means算法用来减少结点数目(There k_means and em algorithms, Reduce the number of data points using the k-means algorithm )

pvm下实现的mandelbrot程序源码，适合初学者研究(under the procedures mandelbrot source, the study for beginners)

做m-k突变检验，直接载入excel，方便快捷，真心实用(Do mk mutation testing, direct loading excel, convenient, really practical)

Matlab程序设计与应用实验指导，讲的很好的，很详尽(Matlab programming and application of experimental guidance, speak very good, very detailed)

现代信号处理中的功率谱估计的协方差算法。程序直观明了。(the algorithm in modern signal processing.)

this folder contain universal dataset for classification

BPSK调制解调加上LDPC信道编码解码。画出误码率曲线(BPSK modulation and demodulation and LDPC channel coding and decoding. Draw the curve of error rate)

transformation matrices for a wireframe cube

说明：  matlab信道模型，码间干扰的模型，直观显示码间干扰对信号的一个影响。(Matlab channel model, the inter-symbol interference model shows the inter-symbol interference signal a right impact.)