| 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 >P:U9
b
a)c;z@r
2d centered Fourier transform，居中的傅里叶变换 #9 Fk&Lx
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Zu~w:uNmU
% Citation for this code and algorithm: '.<c[Mp
% Tatiana Latychevskaia and Hans-Werner Fink 7U?#Xi5
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", ru6M9\h*
% Appl. Optics 54, 2424 - 2434 (2015) <QC7HR
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% l9OpaOVfJ
% The code is written by Tatiana Latychevskaia, 2002 Hc[@c)DH
% The version of Matlab for this code is R2010b [@JK|50|K
d{t@+}0.u
function [out] = FT2Dc(u0); 4:^MSgra
6\jbSe
[Nx, Ny] = size(1i,1j); . t ppCy
r :$*pC&{
f1 = zeros(Nx,Ny); ngmC~l*,
iSR"$H{
for ii = 1:Nx -iY-rzW
for jj = 1:Ny J/:U,01
f1(ii,jj) = exp(1i*pi*(ii + jj)); ]$ Nhy8-
end (5,x5l]-N
end q5JQx**g
</@5>hx/
FT = fft2(f1.*in); u[PG/ploc
9v;HE{>
out = f1.*FT; -Eig#]Se3
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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