rec_from_partial.m

来自「基于二发二收MIMO系统的半盲信道估计」· M 代码 · 共 21 行

function g=rec_from_partial(M,I,N);
%
% This function use Frequecny response at certain frequencies
% to retrieve the impulse response
%
% May 26, 1999
%

NF=length(M);

G=M;

for i=1:1000
      g=real(ifft(G));
      g(N+1:NF)=zeros(1,NF-N);	
      G=fft(g,NF);
      G(I)=M(I);
end
g=g(1:N);