Circular Convolution as Linear Convolution with Aliasing is related to overlap-save method x(n] nr+nh-1=8 nr+nh-1 nr =5 h[可 nh 4 nh x3 [n=x n *h n nr+nh-1 nr+2nh-2 (a) N=nr+nh-1 xp[川=x[n]x[n] 圆周卷积有nr个值与线性卷积值相同 nh-1 nr+nh-1 1010 nr nh 1 + − = 8 Circular Convolution as Linear Convolution with Aliasing is related to overlap-save method nr+nh-1 nh x n  h n  nh = 4 nr = 5 x n x n h n 3   =      nr+2nh-2 nh-1 nr+nh-1 圆周卷积有nr个值与线性卷积值相同 N=nr+nh-1 x n x n 3 1 2 p   =   N x n  nr+nh-1