单选题 1分 设置 For a system with the input and output satisfying a linear constant-coefficient difference equation, ∑an-k-之bn-m k=0 m=0 if the system is specified to be linear,time-invariant, and causal,the auxiliary conditions (initia/-rest conditions,初始松弛条件)are needed, they are: if x[nj=0,forn<0,theny n]=0,forn<0. ifx[n=0,forn<,theny[刀=0，orn<. 提交 8 10/18/2022 Zhongguo Liu_Biomedical Engineering_Shandong Univ.8 10/18/2022 Zhongguo Liu_Biomedical Engineering_Shandong Univ. For a system with the input and output satisfying a linear constant-coefficient difference equation, if the system is specified to be linear, time-invariant, and causal, the auxiliary conditions (initial-rest conditions,初始松弛条件) are needed, they are: A B 提交       = = − = − M m m N k ak y n k b x n m 0 0 if x n for n n then y n for n n  =  =  0 0 , , , . 0 0   if x n for n then y n for n  =  =  0 0 0 0 , , , .   单选题 1分