| 林深时见鹿 |
2020-05-29 09:44 |
相位恢复算法
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 += MO6}5T
g 4d 5G=y
2d centered Fourier transform，居中的傅里叶变换 7(~^6Ql!
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% V/|Ln*rm
% Citation for this code and algorithm: p&_a kQj
% Tatiana Latychevskaia and Hans-Werner Fink v>g1\y Iw
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", Ih`n:aA
% Appl. Optics 54, 2424 - 2434 (2015) (E U X>IJ
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% &}w ,bG$
% The code is written by Tatiana Latychevskaia, 2002 F& H~JJ
% The version of Matlab for this code is R2010b ,^|+n()O
AUoi$DF(@
function [out] = FT2Dc(u0); e?L$RY,7
,y2ur 2
[Nx, Ny] = size(1i,1j); 3Du&KZ
X!,Ngmw.
f1 = zeros(Nx,Ny); r7*[k[^[^
y~1UU3k5
for ii = 1:Nx Y*f7& '[
for jj = 1:Ny \{G6!dV|S
f1(ii,jj) = exp(1i*pi*(ii + jj)); GG;M/}E9
end cY#T H|M
end 5 jy>)WqK
h+.^8fPR
FT = fft2(f1.*in); fXIe Cn
)R ,*
out = f1.*FT; pq-zy6^
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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