分析了该信号的时域、频域、倒谱，循环谱等,用于时频分析算法，实现了对10个数字音的识别，matlab程序运行时导入数据文件作为输入参数，DC-DC部分采用定功率单环控制，验证可用，利用贝叶斯原理估计混合logit模型的参数，包括随机梯度算法，相对梯度算法。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. For time-frequency analysis algorithm, To achieve the recognition of 10 digital sound, Import data files as input parameters matlab program is running, DC-DC power single-part set-loop control, Verification is available, Bayesian parameter estimation principle mixed logit model, Including stochastic gradient algorithm, the relative gradient algorithm.