A:∑m(0,2,5,8,10,15) B:∑m(0,3,5,8,11,15) C:∑m(0,3,5,8,10,14) D:∑m(0,3,5,8,10,15) 答案: ∑m(0,2,5,8,10,15) A:∑m(0,2,5,8,10,15) B:∑m(0,3,5,8,11,15) C:∑m(0,3,5,8,10,14) D:∑m(0,3,5,8,10,15) 答案: ∑m(0,2,5,8,10,15) 2022-01-16 18
已知有限长序列x[k]={1,2,3;k=0,1,2}和h[k]={5,-2,4;k=0,1,2},则x[k]和h[k]的4点循环卷积为（ ）。 A:{12,2,15,8,5; k=0,1,2,3,4,5} B:{17,8,15,2; k= 已知有限长序列x[k]={1,2,3;k=0,1,2}和h[k]={5,-2,4;k=0,1,2},则x[k]和h[k]的4点循环卷积为（ ）。 A:{12,2,15,8,5; k=0,1,2,3,4,5} B:{17,8,15,2; k= 2021-12-22 15
