| 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 [{!j9E?(
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2d centered Fourier transform，居中的傅里叶变换 Ai_|)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% dgqJ=+z 0y
% Citation for this code and algorithm: 2Z9gOd<M~
% Tatiana Latychevskaia and Hans-Werner Fink X|n[9h:%
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", 2] wf`9ZH
% Appl. Optics 54, 2424 - 2434 (2015) )+{omQ7v
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ; dHOH\,:
% The code is written by Tatiana Latychevskaia, 2002 $=g.-F% *=
% The version of Matlab for this code is R2010b 2,QApW_Y
I8oKa$RF
function [out] = FT2Dc(u0); rpP+20 v
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[Nx, Ny] = size(1i,1j); uM!r|X)8
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f1 = zeros(Nx,Ny); JP% ;rAoJ
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for ii = 1:Nx lJQl$Wx^
for jj = 1:Ny @_:?N(%(
f1(ii,jj) = exp(1i*pi*(ii + jj)); hE`%1j2(
end G;#t6bk
end jE5
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FT = fft2(f1.*in); FZ.Yn
n_ NG~ /x
out = f1.*FT; ?;7>`F6ld
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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