| 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 ";up u
Z?qc4Cg
2d centered Fourier transform，居中的傅里叶变换 }%c0EY'
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% zj$Ve
% Citation for this code and algorithm: S3Fj /2Q8
% Tatiana Latychevskaia and Hans-Werner Fink Lie= DD
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", @ cQ
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% Appl. Optics 54, 2424 - 2434 (2015) OX}ZdM!&f
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6A4{6B
% The code is written by Tatiana Latychevskaia, 2002 YXg^t$
% The version of Matlab for this code is R2010b EL6<%~,V"I
([ A%>u> h
function [out] = FT2Dc(u0); IH"_6s#$&
`ghNS
[Nx, Ny] = size(1i,1j); xs?]DJj
aNgJ m~K0P
f1 = zeros(Nx,Ny); ^[E XTBk@:
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for ii = 1:Nx M (:_( 4~
for jj = 1:Ny {5SJ0'.B2g
f1(ii,jj) = exp(1i*pi*(ii + jj)); !N/?b^y
end WV;[v g]
end 0xV[C4E[6
T^g i^{
FT = fft2(f1.*in); ;I>77gi`]
6Z-[-0o+g
out = f1.*FT; -AXMT3p=1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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