| 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 OjcxD5"v9
/n"Ib )M
2d centered Fourier transform，居中的傅里叶变换 _
)b:F=4j
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9|jk=`4UK
% Citation for this code and algorithm: TGl It<&
% Tatiana Latychevskaia and Hans-Werner Fink E %FCOKw_
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", e p>*]'
% Appl. Optics 54, 2424 - 2434 (2015) ]X ,f
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% { =pRU_-^
% The code is written by Tatiana Latychevskaia, 2002 }lvD 5
% The version of Matlab for this code is R2010b 1\X1G>60m
z^;*&J
function [out] = FT2Dc(u0); _3i.o$ GO
ZaIlo5
[Nx, Ny] = size(1i,1j); c!{v/zOz
Ei2hI
f1 = zeros(Nx,Ny); [7]Kvb2t
{9S= :
for ii = 1:Nx QVA)&k'T,
for jj = 1:Ny YII1 Z'q
f1(ii,jj) = exp(1i*pi*(ii + jj)); T:p,!?kc7
end 8q58H[/c
end aY& He~
Q ;V `
FT = fft2(f1.*in); xXp$Nm] :
?fr -5&,
out = f1.*FT; ZJ lmHlAX
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|