[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 cb9-~*1  
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2d centered Fourier transform，居中的傅里叶变换 M(I%y0  
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% Citation for this code and algorithm: ]#
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% Tatiana Latychevskaia and Hans-Werner Fink !Ap5Uwd  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", ^y/Es2A#t  
% Appl. Optics 54, 2424 - 2434 (2015) %1Q:{m  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% h~k<"  
% The code is written by Tatiana Latychevskaia, 2002 src9EeiV  
% The version of Matlab for this code is R2010b ^Lgvey%  
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function [out] = FT2Dc(u0); YbP @  
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[Nx, Ny] = size(1i,1j); ZW [&7[4  
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f1 = zeros(Nx,Ny); ynIC (t  
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for ii = 1:Nx S1|u@d'  
    for jj = 1:Ny K<J,n!zc  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); ~b
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    end ^+P.f[  
end '8;bc@cE  
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FT = fft2(f1.*in); I
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out = f1.*FT; "bhK%N;  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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