| 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 EsLtC5]
M|7{ZE`Y
2d centered Fourier transform，居中的傅里叶变换 ]yas]5H
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% }] j#C
% Citation for this code and algorithm: >W'"xK|:
% Tatiana Latychevskaia and Hans-Werner Fink _147d5
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", '^.3}N{Fo
% Appl. Optics 54, 2424 - 2434 (2015) *(n u0
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Z'c9xvy 5
% The code is written by Tatiana Latychevskaia, 2002 gq+#=!(2
% The version of Matlab for this code is R2010b YKa9]Q
=%+xNOdN7?
function [out] = FT2Dc(u0); qn `
\g
^i17MvT'
[Nx, Ny] = size(1i,1j); G\*`%B_ n
6H|&HV( !R
f1 = zeros(Nx,Ny); l, j0n0h.
fyv S1_
for ii = 1:Nx t},71Ry
for jj = 1:Ny :tLMh08h
f1(ii,jj) = exp(1i*pi*(ii + jj)); YU1z\pK
end :Y&h'FGZm
end /Fp@j/50
e]smnf
FT = fft2(f1.*in); oF5~|&C
n si&r
out = f1.*FT; \2)~dV:6+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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