G[n].Re=∑x(2n)*cos(4πnm/N),0<=n<=N/2-1;G[n].Im=∑x(2n)*sin(4πnm/N),0<=n<=N/2-1;H[n].Re=∑x(2n+1)*cos(2π(2n+1)m/N),0<=n<=N/2-1;H[n].Im=∑x(2n+1)*sin(2π(2n+1)m/N),0<=n<=N/2-1;之后X[n].Re=G[n].Re+H[n].Re; X[n].Im=...
jF是纵轴，那么函数值要乘以j，于是函数值就是j*jπ[δ(w+w0)-δ(w-w0)]=π[δ(w-w0)-δ(...