| 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 X) e6Y{vO
Gx|$A+U
2d centered Fourier transform，居中的傅里叶变换 _UT>,c;h
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \;&j;"c,W
% Citation for this code and algorithm: *Y?rls `
% Tatiana Latychevskaia and Hans-Werner Fink >DBaKLu\
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", we4e>)
% Appl. Optics 54, 2424 - 2434 (2015) ZK [ 4 n5}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% S`8
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% The code is written by Tatiana Latychevskaia, 2002 Pz,kSxe=
% The version of Matlab for this code is R2010b S)iv k x
AY5%<CWj8
function [out] = FT2Dc(u0); c Wl
>)=FS.?]
[Nx, Ny] = size(1i,1j); "A~\$
"diF$Lj
f1 = zeros(Nx,Ny); &{!FE`ZC_
j5Vy o>
for ii = 1:Nx VE+Q Y9(
for jj = 1:Ny J/>Y mi,
f1(ii,jj) = exp(1i*pi*(ii + jj)); S;kI\;
end w=vK{h#8
end y#F( xm+L
Ck%nNy29
FT = fft2(f1.*in); !X$e;V"HX
hk 3}}jc
out = f1.*FT; -%E+ Yl{v
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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