matlab mini phase 滤波器的设计
firgr语法：b = firgr(n,f,a,w)b = firgr(n,f,a,'hilbert')b = firgr(m,f,a,r),b = firgr({m,ni},f,a,r)b = firgr(n,f,a,w,e)b = firgr(n,f,a,s)b = firgr(n,f,a,s,w,e)b = firgr(...,'1')b = firgr(...,'minphase')b = firgr(..., 'check')b = firgr(...,{lgrid}),[
