[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 1FkS$ j8:  
 T:~c{S4&  
2d centered Fourier transform，居中的傅里叶变换 r5k{mV+  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% fz9 ,p;b  
% Citation for this code and algorithm: &l&B[s6[  
% Tatiana Latychevskaia and Hans-Werner Fink <k41j=d  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", t08E 2sI  
% Appl. Optics 54, 2424 - 2434 (2015) WbIf)\  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% V|vKYEFry  
% The code is written by Tatiana Latychevskaia, 2002 +*'^T)sj/  
% The version of Matlab for this code is R2010b q_J)68BR  
sI&|qK-(  
function [out] = FT2Dc(u0); AW6"1(D  
2. t'!uwI  
[Nx, Ny] = size(1i,1j); i]8+JG6  
_?aI/D  
f1 = zeros(Nx,Ny); p7Q}xx  
<i!:{'%  
for ii = 1:Nx $,s"c(pv[,  
    for jj = 1:Ny p+ki1!Ed  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); 'yIz<o
 
    end )0tq&  
end h)~i?bq!/  
(^U 8wit/  
FT = fft2(f1.*in); ,; 81FK  
W%&[gDp  
out = f1.*FT; Omkp
jr(1  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教