| 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 @3i\%R)n;
_oL ?*ks
2d centered Fourier transform，居中的傅里叶变换 d7^}tM
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% AOZP*\k
% Citation for this code and algorithm: krxo"WgD
% Tatiana Latychevskaia and Hans-Werner Fink sfH_5
#w
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", W.jGGt\<\
% Appl. Optics 54, 2424 - 2434 (2015) wVXS%4|v
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ";lVa'HMZ
% The code is written by Tatiana Latychevskaia, 2002 ,]C;sN% ~}
% The version of Matlab for this code is R2010b `cn#B
BV
x^qVw5{n
function [out] = FT2Dc(u0); Eh`7X=Z 7E
=[ 46`-_
[Nx, Ny] = size(1i,1j); ~hH REI&
o#)C^xlQ
f1 = zeros(Nx,Ny); jwe *(k]z
}v;V=%N+v
for ii = 1:Nx "9uKtQS0o
for jj = 1:Ny OnziG+ak
f1(ii,jj) = exp(1i*pi*(ii + jj)); Mexk~ z A^
end t,Lrfv])
end :k]1Lm||
PNhe
FT = fft2(f1.*in); ~D+bh~
dbLZc$vPj
out = f1.*FT; iXkF1r]i
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|