[求助]相位恢复算法 [复制链接]

有会相位恢复算法的吗？能帮我看看下面的代码错哪儿了吗？不胜感激 v'$ykZ!Z  
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2d centered Fourier transform，居中的傅里叶变换 R1~7F{FW  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% vS2(Q0+TZi  
% Citation for this code and algorithm: g.=!3e&z%  
% Tatiana Latychevskaia and Hans-Werner Fink eoJFh  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", fW[_+r]  
% Appl. Optics 54, 2424 - 2434 (2015) >LCjtm\  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8W{ g  
% The code is written by Tatiana Latychevskaia, 2002 h4hd<,  
% The version of Matlab for this code is R2010b .$OjUlzr-H  
" _mmR
M  
function [out] = FT2Dc(u0); 8db6(Q~P  
i'9eKO  
[Nx, Ny] = size(1i,1j); o`25  
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f1 = zeros(Nx,Ny); oX2r?.j#M  
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for ii = 1:Nx [!5l0{0  
    for jj = 1:Ny i /C'0  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); Mru~<:9  
    end J511AoQ{R  
end 3!1&DII4  
cFe V?a  
FT = fft2(f1.*in); f)qPFM]%z  
 -\5[Nq{N  
out = f1.*FT; i^~sn `o  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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