| 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 WHv xBd
-{a&Zkz>V
2d centered Fourier transform，居中的傅里叶变换 &g5+ |g (
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% #AUa'qB t
% Citation for this code and algorithm: YJ~3eZQ
% Tatiana Latychevskaia and Hans-Werner Fink ewv[nJD$
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", X5wYfN
% Appl. Optics 54, 2424 - 2434 (2015) cc J!N
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +)-`$N
% The code is written by Tatiana Latychevskaia, 2002 "P {T]
% The version of Matlab for this code is R2010b EFS 2 zU
y
w>T 1
function [out] = FT2Dc(u0); yf7$m_$C'
;c;PNihg
[Nx, Ny] = size(1i,1j); Zv)x-4 8
"jEf$ ]
f1 = zeros(Nx,Ny); J;cTEB
1U;p+k5c
for ii = 1:Nx
{;XO '
for jj = 1:Ny m@^!?/as
f1(ii,jj) = exp(1i*pi*(ii + jj)); 4^Ghn
end rg{|/ ;imT
end -%t2_g,
q$ 6 Tb
FT = fft2(f1.*in); i& y bvTl
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out = f1.*FT; L/n? 1'he
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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