| 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*qzNT@`LR
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2d centered Fourier transform，居中的傅里叶变换 kv/(rKLp*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% dbg|V oNf
% Citation for this code and algorithm: 5"[y FmP*
% Tatiana Latychevskaia and Hans-Werner Fink GgT=t)}wu
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", _ m " ^lo
% Appl. Optics 54, 2424 - 2434 (2015) \ x:_*`fU
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% )S#j.8P'B
% The code is written by Tatiana Latychevskaia, 2002 yTP[,bM
% The version of Matlab for this code is R2010b Y5Ft96o))x
3 /:LYvM<
function [out] = FT2Dc(u0); JTjzT2`A.
'8L(f w{k
[Nx, Ny] = size(1i,1j); 3b ,=
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f1 = zeros(Nx,Ny); cj` #Tg.
Gi;9 S
for ii = 1:Nx <n f=SRZ
for jj = 1:Ny oc q2
f1(ii,jj) = exp(1i*pi*(ii + jj)); O~nBz):2
end .&Y,D-h}7|
end m)(SG
K90D1sD
FT = fft2(f1.*in); 8xc8L1;
</8be=e7p
out = f1.*FT; #*[,woNk
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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