中文说明：此程序为用matlab实现信号特征提取的实验程序，将待处理的一维时间函数赋给work2中的x1tRE，运行work2即可 -This procedure is used to achieve signal feature extraction matlab experimental procedures, will be dealt with one-dimensional function of time assigned to work2 in x1tRE, you can run work2
English Description：