| 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 'HvW&~i(
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2d centered Fourier transform，居中的傅里叶变换 c3Ig4 n0Y>
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% Citation for this code and algorithm: oFGg r2Re
% Tatiana Latychevskaia and Hans-Werner Fink [ z} $G:s
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", uTrGb:^
% Appl. Optics 54, 2424 - 2434 (2015) ^&c|z3 5F
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% The code is written by Tatiana Latychevskaia, 2002 {\!@ k\__
% The version of Matlab for this code is R2010b /8(t :
vs.}Bou]
function [out] = FT2Dc(u0); G! ryW4
F RE${~Xd
[Nx, Ny] = size(1i,1j); {-5 b[m(
\l;H !y [
f1 = zeros(Nx,Ny); n-lDE}K9%B
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for ii = 1:Nx CH h6Mnw
for jj = 1:Ny Y2p~chx9
f1(ii,jj) = exp(1i*pi*(ii + jj)); Cd'SPaR
end .Wci@5:3
end 5HbPS%^.
f['pHR%l2$
FT = fft2(f1.*in); } JWk?
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out = f1.*FT; &_c 5C
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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