A.h[n]=-h[M-n] B.h[n]=h[M+n] C.h[n]=-h[M-n+1] D.h[n]=h[M-n+1]
A.偶對(duì)稱,N為奇數(shù) B.奇對(duì)稱,N為奇數(shù) C.奇對(duì)稱,N為偶數(shù) D.非對(duì)稱
A.偶對(duì)稱,N為奇數(shù) B.奇對(duì)稱,N為奇數(shù) C.奇對(duì)稱,N為偶數(shù) D.偶對(duì)稱,N為偶數(shù)