输入类内、类间海明距离矩阵，绘制ROC曲线，求等错误率，原理见：http://blog.csdn.net/yanzi1225627/article/details/8915032-Input class, the class Hamming distance matrix, the ROC curve, find the error rate, the principle see: http://blog.csdn.net/yanzi1225627/article/details/8915032

矩形窗 海宁窗等三种加窗FFT在电力谐波检测中的应用，非常实用简单-Hamming window rectangular window, three windowing FFT Applications in Power Harmonic Detection, very practical and simple