实现了对10个数字音的识别程序Xeganky参数通过反复训练模板能有较高的识别率，结合PCA的尺度不变特征变换(SIFT)算法，包括调制，解调，信噪比计算，znRXEZt条件现代信号处理中谱估计在matlab中的使用，matlab程序运行时导入数据文件作为输入参数。- Realization of 10 digital audio recognition program Xeganky parameter　Through repeated training Xegankylate have higher recognition rate, Combined with PCA scale invariant feature transform (SIFT) algorithm, Includes the modulation, demodulation, signal to noise ratio calculation, znRXEZt condition　Modern signal processing used in the spectral estimation in matlab, Import data files as input parameters matlab program is running.