| 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 rEWuWv$
u3DFgl3-7
2d centered Fourier transform，居中的傅里叶变换 ^P`I"T
d
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% kmt+E'^]
% Citation for this code and algorithm: ~`5[Li:eP
% Tatiana Latychevskaia and Hans-Werner Fink c~d*SDca
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", B5_QH8kt7
% Appl. Optics 54, 2424 - 2434 (2015) Np;tpq~
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% )=5 *iWe
% The code is written by Tatiana Latychevskaia, 2002 ;a[3RqmKW
% The version of Matlab for this code is R2010b (~(FQ:L %U
~8'HX*B]z
function [out] = FT2Dc(u0); @JOsG-VW~
-:wV3D
[Nx, Ny] = size(1i,1j); %v^qQWy=*
2 ]r5e;
f1 = zeros(Nx,Ny); {@s6ly].
McN'J. Sxp
for ii = 1:Nx CljEC1S#
for jj = 1:Ny BJqb'H jd
f1(ii,jj) = exp(1i*pi*(ii + jj)); !_?HSDAj"n
end
\P*%u
end $ $R - >
o+\?E.%%g
FT = fft2(f1.*in); -CPLgT
u@zT~\ h*
out = f1.*FT; UYpln[S
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|