| 林深時(shí)見鹿 |
2020-05-29 09:44 |
相位恢復(fù)算法
有會(huì)相位恢復(fù)算法的嗎？能幫我看看下面的代碼錯(cuò)哪兒了嗎？不勝感激 t\YN\`XD
eteq Mg}M
2d centered Fourier transform，居中的傅里葉變換 w# V{'{DKp
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% #H]b Xr
% Citation for this code and algorithm: d V+%x"[:
% Tatiana Latychevskaia and Hans-Werner Fink iaShxo IV
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", +)8,$1[p|
% Appl. Optics 54, 2424 - 2434 (2015) F!v`. _]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% )na 8a!
% The code is written by Tatiana Latychevskaia, 2002 /58]{MfrJ
% The version of Matlab for this code is R2010b [AAG:`
%4X#|22n
function [out] = FT2Dc(u0); )Rhy^<xH
l+# l\q%l
[Nx, Ny] = size(1i,1j); &+t! LM
m( Hb! RT
f1 = zeros(Nx,Ny); f n]rMH4>
+<cvyg5U
for ii = 1:Nx I_vPGafMx
for jj = 1:Ny ~lB im$o
f1(ii,jj) = exp(1i*pi*(ii + jj)); 'n'83d)z
end H8^U!"~E
end V p3 r
OC)~psQK
FT = fft2(f1.*in); OGmOk>_
i1ph{;C
out = f1.*FT; 2^-Z17Z}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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