[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 oVk!C a  
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2d centered Fourier transform，居中的傅里叶变换 th*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -T+YMAFU_  
% Citation for this code and algorithm: :fRta[  
% Tatiana Latychevskaia and Hans-Werner Fink uYs45 G  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", DHn\ =M  
% Appl. Optics 54, 2424 - 2434 (2015) ,~$sJ2 g7  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% CaCApL  
% The code is written by Tatiana Latychevskaia, 2002 >j]Gz-wC  
% The version of Matlab for this code is R2010b 9mtndTT 5u  
<^;~8:0]  
function [out] = FT2Dc(u0); E5S(1Z}]p{  
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[Nx, Ny] = size(1i,1j); D`41\#ti  
ysp,:)-%G@  
f1 = zeros(Nx,Ny); arKf9`9  
Da! fwth  
for ii = 1:Nx -[>J"l  
    for jj = 1:Ny O '#FVZ.g  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); '9vsv\A&  
    end F_@` <d!  
end hb
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FT = fft2(f1.*in); :k_)Bh?+  
@CR<&^s5V  
out = f1.*FT; qe1>UfY  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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