| 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 c_r&)8
^BFD - p
2d centered Fourier transform，居中的傅里叶变换 |ozlaj
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% dnP3{!"b
% Citation for this code and algorithm: hj.Du+1
% Tatiana Latychevskaia and Hans-Werner Fink *t+ E8)qL
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", \!tS|h
% Appl. Optics 54, 2424 - 2434 (2015) HKdR?H M1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8/y~3~A{D
% The code is written by Tatiana Latychevskaia, 2002 $i blLZhj
% The version of Matlab for this code is R2010b hsUP5_
Hf'yRKACj
function [out] = FT2Dc(u0); dIR6dI
mxRe2<W
[Nx, Ny] = size(1i,1j); -^JGa{9*
Xkv+"F=-
f1 = zeros(Nx,Ny); 6/#5TdJA
z4nVsgQ$
for ii = 1:Nx S}hg*mWn{$
for jj = 1:Ny H? =D,
f1(ii,jj) = exp(1i*pi*(ii + jj)); oEWx9c{~$
end %T&#JF+;
end (Rc 0 l;
CKTD27})
FT = fft2(f1.*in); (qP !x 2j
'7<@(HO
out = f1.*FT; afZPju"-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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