中文说明：函数[y]=hanyu配对矩阵（x）
English Description：
function [y] = hany_pairedmatrix(x) % N-point paired matrix for FFT % Length of X must be a power of 2 % Copyright by Han, Young-Jong % 2009/04/8 N = length(x); a(1) = 1; for k = 1:log2(N)+1 if k ~= log2(N)+1 &nb