| 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 Az_s<
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2d centered Fourier transform，居中的傅里叶变换 :_2:Fh.}3~
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% e6qIC*C !
% Citation for this code and algorithm: N~or.i&a
% Tatiana Latychevskaia and Hans-Werner Fink w^n&S=E E~
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", M?hPlo"_
% Appl. Optics 54, 2424 - 2434 (2015) (^sb(' "
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% X7:Dw]t
% The code is written by Tatiana Latychevskaia, 2002 Z0D&ayzkh^
% The version of Matlab for this code is R2010b 3 ,{;wJ
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function [out] = FT2Dc(u0); '%:E4oI
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[Nx, Ny] = size(1i,1j); p)"EenUK
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f1 = zeros(Nx,Ny); iEy2z+/"^
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for ii = 1:Nx v<g#/X8
for jj = 1:Ny 6z/&j} (
f1(ii,jj) = exp(1i*pi*(ii + jj)); jv1p'qs4
end &9.3-E47*
end aO9\8\^
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FT = fft2(f1.*in); P9Eh, j0_
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out = f1.*FT; '-G,7!.,r%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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