中文说明：HARDLIM - 阈值传递函数 表示close的最上面的矩阵； 用变量s来表示open的最上面的矩阵-HARDLIM- threshold transfer function that close the top of the matrix express variable s to open the top of the matrix
English Description：
HARDLIM- threshold transfer function that close the top of the matrix express variable s to open the top of the matrix