x = [3, 11, 7, 0, -1, 4, 2]; nx = [-3:3]; h = [2, 3, 0, -5, 2, 1]; nh = [-1:4]; [y,ny] = conv_m(x,nx,h,nh)
结果：
DSP using MATLAB 随书示例Example2.8
原文：http://www.cnblogs.com/ky027wh-sx/p/6024908.html
