[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 Q g~cYwX  
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2d centered Fourier transform，居中的傅里叶变换 EfX\"y  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% '9{`Czc(Gb  
% Citation for this code and algorithm: +3uPHpMB-  
% Tatiana Latychevskaia and Hans-Werner Fink WwsH7X)  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", m)
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% Appl. Optics 54, 2424 - 2434 (2015) u9nJ;:  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% wE[gp+X~  
% The code is written by Tatiana Latychevskaia, 2002 {W+IUvn  
% The version of Matlab for this code is R2010b "QD>m7  
p{ Xde   
function [out] = FT2Dc(u0);
(}g4}A@x  
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[Nx, Ny] = size(1i,1j); SzP`(}AU  
f=k_U[b4>  
f1 = zeros(Nx,Ny);  `j1oxJm  
}y%c.  
for ii = 1:Nx BLN|QaZ  
    for jj = 1:Ny rJZR8bo  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); *b'4>U  
    end Um}f7^fp^l  
end ]p8zT|bv  
7s0\`eXo/  
FT = fft2(f1.*in); 3v@h&7<E  
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out = f1.*FT; lZAXDxhnT  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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