| 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 HlraOp+
_[$,WuG1
2d centered Fourier transform，居中的傅里叶变换 !AN;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% {fS~G2@1
% Citation for this code and algorithm: K#xL-
% Tatiana Latychevskaia and Hans-Werner Fink 0?O$->t
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", arN=OB
% Appl. Optics 54, 2424 - 2434 (2015) LyRW\\z2
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% hr3<vWAD
% The code is written by Tatiana Latychevskaia, 2002 3a}53? $
% The version of Matlab for this code is R2010b N."x@mV
Q2<v: *L
function [out] = FT2Dc(u0); 2 :wgt
B0D
[Nx, Ny] = size(1i,1j); < "{VVy K
. Ky)Co
f1 = zeros(Nx,Ny); $0|`h)&
ew<_2 Xy"<
for ii = 1:Nx ;2[),k
for jj = 1:Ny YFP< ^y=
f1(ii,jj) = exp(1i*pi*(ii + jj)); +`uNO<$~f
end /h9v'Y}c
end __}ut+H^5p
!wTrWD!
FT = fft2(f1.*in); |!{ Y :f;
U'@ ![Fp
out = f1.*FT; GI6]Ecc
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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