| 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 B*@0l:
(ri eg F
2d centered Fourier transform，居中的傅里叶变换 L^FQ|? *
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% I3.cy i
% Citation for this code and algorithm: _' mK=`>u
% Tatiana Latychevskaia and Hans-Werner Fink b Y2:g )
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", 4=nh'
U38
% Appl. Optics 54, 2424 - 2434 (2015) 9
df GV!Z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% y$K[ArqX
% The code is written by Tatiana Latychevskaia, 2002 #rI4\K
% The version of Matlab for this code is R2010b oazY?E]}3
X:>,3[hx|
function [out] = FT2Dc(u0); jmBsPSGIC
B hzcimC)
[Nx, Ny] = size(1i,1j); V r7L9%/wg
oFi_
op
f1 = zeros(Nx,Ny); sTu] C +A
f z J^`
for ii = 1:Nx +C36OcmT~
for jj = 1:Ny 0 K(&Ep VE
f1(ii,jj) = exp(1i*pi*(ii + jj)); adtgNw g
end [gIvB<Uv
end XY, !vLjL
P_.zp5>
FT = fft2(f1.*in); (:>Sh0.
!Bj J5m
out = f1.*FT; xyrlR;Sk
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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