[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 ^<!R%"o-  
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2d centered Fourier transform，居中的傅里叶变换 ^mq(j_E.  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% fJr EDj4(  
% Citation for this code and algorithm: B/l^=u+-  
% Tatiana Latychevskaia and Hans-Werner Fink ~qqxHymc  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", \=WPJm`p  
% Appl. Optics 54, 2424 - 2434 (2015) `R2Iw I&  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8p 4[:M@  
% The code is written by Tatiana Latychevskaia, 2002 xF{%@t  
% The version of Matlab for this code is R2010b }ex4dhx2M  
$\ZWQct  
function [out] = FT2Dc(u0); N
*36rR$^  
`n>|rd  
[Nx, Ny] = size(1i,1j); ^>an4UJt  
`F/R:!v  
f1 = zeros(Nx,Ny); ;-`NT` #2  
 x(HHy,  
for ii = 1:Nx 68
P'<|u?  
    for jj = 1:Ny  7V5c`:"  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); nnn\  
    end hk=[v7  
end R|*0_!O:[  
A4,%l\di<  
FT = fft2(f1.*in); [lML^CYQ  
*KNfPh#wi}  
out = f1.*FT; 5[)5K?%  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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