[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 CSs6Vm!=  
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2d centered Fourier transform，居中的傅里叶变换 P&VI2k  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %mJ)pMV  
% Citation for this code and algorithm: %Z|*!A+wN5  
% Tatiana Latychevskaia and Hans-Werner Fink H9?~#GPb  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", !{LwX
 Kf  
% Appl. Optics 54, 2424 - 2434 (2015) dWSH\wm+  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% X35hLp8 M  
% The code is written by Tatiana Latychevskaia, 2002 j|9 2 g  
% The version of Matlab for this code is R2010b $+j)  
r+crE %-  
function [out] = FT2Dc(u0); xcA`W|M  
fQh!1R  
[Nx, Ny] = size(1i,1j); YVi]f2F%  
,\b5M`<c  
f1 = zeros(Nx,Ny); ljRR  
4{=Em5`HbO  
for ii = 1:Nx *np|PyLP:  
    for jj = 1:Ny ZhU2z*qN#  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); i|e-N?l  
    end j
w)t"S/E  
end 1^mO"nX  
2vLn#  
FT = fft2(f1.*in); XR(kR{yo  
 R !HL+  
out = f1.*FT; 2Qy&V/E ?  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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