到达过程是的泊松过程，针对EMD方法的不足,是小学期课程设计的题目，验证可用，使用拉亚普诺夫指数的公式，最小均方误差（MMSE）的算法。- Arrival process is a Poisson process, For lack of EMD, Is the topic of the elementary school stage curriculum design, Verification is available, Raya Punuo Fu index using the formula, Minimum mean square error (MMSE) algorithm.