Unit sample sequence Discrete-Time Signals and Systems--Digital Signal Processing 6(n) &70-{a4oo ●●●●● -2-101234… Representation in MATLAB *A:n=[n1:n2];X=zeros(1,n2-n1+1);X(n0-n1+1)=1; *B:n=[n1:n2];X=[(n-n0)==0]; stem(n,x,'ro'); 0.8 a0.6人 -3<n<3 o0.4 n0=0 0.2 09 -3 2 0 2 上游充通大￥Discrete-Time Signals and Systems —— Digital Signal Processing Unit sample sequence  Representation in MATLAB A: n=[n1:n2]; x = zeros(1,n2-n1+1); x(n0-n1+1)=1; B: n=[n1:n2]; x = [(n-n0)==0]; stem(n,x,’ro’); ,0,0,1,0,0, 0, 0 1, 0 ( )         n n  n -3 -2 -1 0 1 2 3 0 0.2 0.4 0.6 0.8 1 n  (n-n 0 ) -3<n<3 n0=0