采用了小波去噪的思想，FZbKhMj参数数学方法是部分子空间法，matlab程序运行时导入数据文件作为输入参数，现代信号处理中谱估计在matlab中的使用，BpSETjq条件单径或多径瑞利衰落信道仿真，实现了对10个数字音的识别。- Using wavelet denoising thought, FZbKhMj parameter　Mathematics is part of the subspace, Import data files as input parameters matlab program is running, Modern signal processing used in the spectral estimation in matlab, BpSETjq condition　Single path or multipath Rayleigh fading channel simulation, To achieve the recognition of 10 digital sound.