| 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 d D!} P$
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2d centered Fourier transform，居中的傅里叶变换 9[8?'`m
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 0oM~e
% Citation for this code and algorithm: gLu #M:4N
% Tatiana Latychevskaia and Hans-Werner Fink
@(oz`|*
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", jh}[7M
% Appl. Optics 54, 2424 - 2434 (2015) #d__
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% GHH1jJ_[7
% The code is written by Tatiana Latychevskaia, 2002 ~6{;3"^<
% The version of Matlab for this code is R2010b lSQANC'
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function [out] = FT2Dc(u0); Gu&zplB
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[Nx, Ny] = size(1i,1j); 5C2 *f 4|
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f1 = zeros(Nx,Ny); E!jM&\Z j
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for ii = 1:Nx [4sbOl5yZ
for jj = 1:Ny kG\+f>XQ
f1(ii,jj) = exp(1i*pi*(ii + jj)); &Zq4 3~
end WG(t t.
end a?&oOQd-iP
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FT = fft2(f1.*in); X[BKF8,
k >U&Us0
out = f1.*FT; t$R| lv5<
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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