non-llinefilter

说明：  对一个非线性的滤波器设计进行优化，使得设计出的滤波器与给定指标最接近且要求优化变量取离散值得优化设计问题(Of a non-linear filter design is optimized, making the design of the filter and to set targets and optimize the variable closest to the requirements and obtain the optimal design of discrete worth)