中文说明：是机器学习的例程，保证准确无误，是学习通信的好帮手，添加噪声处理，针对EMD方法的不足,处理信号的时频分析，利用贝叶斯原理估计混合logit模型的参数。
English Description：
Machine learning routines to ensure accurate, is a good helper to learn communication, add noise to deal with, for the EMD method, signal processing of time-frequency analysis, parameter estimation of the mixed logit model using Bayesian theory.