[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 QmgO00{  
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2d centered Fourier transform，居中的傅里叶变换 e&@;hDmIX  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% h* 72 f/#  
% Citation for this code and algorithm: =jEVHIYt  
% Tatiana Latychevskaia and Hans-Werner Fink +D+v j|fn  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", }~NM\rm  
% Appl. Optics 54, 2424 - 2434 (2015) gV}c4>v(  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ;!S i_b2  
% The code is written by Tatiana Latychevskaia, 2002 z:^(#G{  
% The version of Matlab for this code is R2010b t|urvoz  
C/?x`2'  
function [out] = FT2Dc(u0); E3LEeXcLS  
2P/ Sq  
[Nx, Ny] = size(1i,1j); &=*sN`  
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f1 = zeros(Nx,Ny); Qz4eQlWhp  
' !2NSv  
for ii = 1:Nx redMlHM  
    for jj = 1:Ny 4A`U [r_>D  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); `h%K8];<6f  
    end dQn,0  
end s6F0&L;N&  
cYgd1  
FT = fft2(f1.*in); kyi"U A82  
>*MGF=.QG  
out = f1.*FT; YEa<
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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