| 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 nrXKS&6
Tn(uH17
2d centered Fourier transform，居中的傅里叶变换 9(_n8br1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% g:p` .KuB
% Citation for this code and algorithm: hw)z]
% Tatiana Latychevskaia and Hans-Werner Fink osLEH?iKW
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", V%C'@m(/SZ
% Appl. Optics 54, 2424 - 2434 (2015) S@~ReRew2
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +Mn(s36f2
% The code is written by Tatiana Latychevskaia, 2002 k)8*d{ *
% The version of Matlab for this code is R2010b ,:V[H8 ?
IF<T{/MA
function [out] = FT2Dc(u0); t#-4edB,
u09D` QPP]
[Nx, Ny] = size(1i,1j); &g0r#K
AI, E9
f1 = zeros(Nx,Ny); 3hzz*9/n
Bi "cWO
for ii = 1:Nx ou]jm=4[
for jj = 1:Ny km`";gUp>
f1(ii,jj) = exp(1i*pi*(ii + jj)); at2)%V)
end 2n#H%&^?a
end ?#nk}=;g8
LA(/UA3Izd
FT = fft2(f1.*in); - &)
"av G#rsH
out = f1.*FT; 9J<vkxG9`
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|