function?[OTF]?=?generate_otf2d（lambda?w?sz）
%GENERATE_OTF2D?Generate?2-D?OTF
%???lambda?-?wavelength?of?illumination
%???w?-?max?distance?between?reference?sphere?and?real?sphere
%???????generally?w?=?factor*lambda?
%???????factor?could?be?0.5?1?2?...
%???sz?-?generate?an?OTF?with?szxsz?default:?256

if?（nargin??3）
????error（‘usage:?generate_otf2d（lambda?w?[size]）‘）;
elseif?nargin?==?2
????sz?=?256;
end

midcor?=?floor（sz/2?+?1.1）;
midcor?=?[midcor;midcor];
maxdis?=?sqrt（2）*（midcor（1）-1）;
max_s?=?2;

S?=?zeros（sz）;
for?k?=?1:sz
????for?l?=?1:sz
????????dis?=?norm（midcor-[k;l]）;
????????S（kl）?=?dis/maxdis*max_s;
????end
end

OTF?=?otfA（lambda?w?S）;

end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????1118344??2012-06-08?09:54??Properties?of?a?defocused?optical?system.pdf

?????文件????????437??2012-11-17?09:04??Readme.txt

?????文件????????201??2012-11-16?15:23??g_candi_psfs.m

?????文件????????722??2012-11-16?10:43??generate_otf2d.m

?????文件????????553??2012-11-16?10:46??generate_psf.m

?????文件????????407??2012-11-17?09:00??otf_plot.m

?????文件????????477??2012-11-16?10:35??otfA.m

-----------?---------??----------?-----??----

??????????????1121141????????????????????7