说明：  一种衡量时间序列复杂性的方法，针对其粗粒化过程由时间序列长度变短而导致熵值不精确、波动较大等问题
(A method to measure the complexity of time series is presented, which aims at the problems of inaccurate entropy and large fluctuation caused by the shortening of time series length in the coarsening process.)