[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 Dp#27Yzc  
+!`$(  
2d centered Fourier transform，居中的傅里叶变换 z Z~t,>  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ;Z;` BGZJ  
% Citation for this code and algorithm: A,4} $-7  
% Tatiana Latychevskaia and Hans-Werner Fink [AD%8H  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", 'Cz]p~oF  
% Appl. Optics 54, 2424 - 2434 (2015) e$Y7V  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ?vF8 y;Jh  
% The code is written by Tatiana Latychevskaia, 2002 x2l}$(7  
% The version of Matlab for this code is R2010b wa&:86~l?  
[Q6$$z92Q  
function [out] = FT2Dc(u0); 2JeEmG9  
~"wnlG-:  
[Nx, Ny] = size(1i,1j); 9WQ'"wyAQ  
6 W$m,3Dg  
f1 = zeros(Nx,Ny); [5M!'  
{+kWK;1  
for ii = 1:Nx &#~U1: 0  
    for jj = 1:Ny lD_iIe~c  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); XC390t  
    end g&ba]?[A  
end GIR12%-EO  
-A:'D8o#f  
FT = fft2(f1.*in); ,s@S`KS0  
d)$seZB  
out = f1.*FT; lfwBUb  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教