n_point_dft_array.m

这个第四代移动通信中

function dft_array = n_point_dft_array(n)
%this function to creat the N-point DFT array

for k = 0:n-1
    for l = 0:n-1
        dft_array(k+1,l+1) = exp(-j*2*pi*k*l/n);
    end;
end;