[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 qW[p .jN  
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2d centered Fourier transform，居中的傅里叶变换 B4 5B`Ay  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% WV_y@H_  
% Citation for this code and algorithm: d)`XG cx{=  
% Tatiana Latychevskaia and Hans-Werner Fink mcAg,~"HB  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", :L<$O7  
% Appl. Optics 54, 2424 - 2434 (2015) sL|lfc'bB  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2P`QS@v0a=  
% The code is written by Tatiana Latychevskaia, 2002  c'?4*O  
% The version of Matlab for this code is R2010b eSf e s  
[b-27\b  
function [out] = FT2Dc(u0); -]"=b\Q  
50% |9D0?Y  
[Nx, Ny] = size(1i,1j); TtEc~m  
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f1 = zeros(Nx,Ny); `"QUA G  
8$a4[s  
for ii = 1:Nx QxCZ<|  
    for jj = 1:Ny DODo !  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); Gs%IZo_  
    end :UMg5eZ  
end Q>[*Y/`I  
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FT = fft2(f1.*in); Q#P=t83  
%\PnsnJ9Q  
out = f1.*FT; rhY>aj  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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