分析了该信号的时域、频域、倒谱，循环谱等,实现了对10个数字音的识别，包含特征值与特征向量的提取、训练样本以及最后的识别，合成孔径雷达（SAR)目标成像仿真，计算加权加速度,这个有中文注释，看得明白。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. To achieve the recognition of 10 digital sound, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Synthetic Aperture Radar (SAR) imaging simulation target, Weighted acceleration, The Chinese have a comment, understand it.