function?phz?=?ft_phase_screen（r0?N?delta?L0?l0）
?%?function?phz??=?ft_phase_screen（r0?N?delta?L0?l0）

?
%?setup?the?PSD
del_f?=?1/（N*delta）;?%?frequency?grid?spacing?[1/m]
?fx?=?（-N/2?:?N/2-1）?*?del_f;
?%?frequency?grid?[1/m]
?[fx?fy]?=?meshgrid（fx）;
?[th?f]?=?cart2pol（fx?fy）;?%?polar?grid
?fm?=?5.92/l0/（2*pi）;?%?inner?scale?frequency?[1/m]
?f0?=?1/L0;?%?outer?scale?frequency?[1/m]
%?Kolmogorov?phase?PSD
PSD_phi?=?0.023*r0^（-5/3）?*?f.^（-11/3）;
?PSD_phi（N/2+1N/2+1）?=?0;
%?random?draws?of?Fourier?coefficients
?cn?=?（randn（N）?+?i*randn（N））?.*?sqrt（PSD_phi）*del_f;
?%?synthesize?the?phase?screen
?phz?=?real（ift2（cn?1））;

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件????????652??2018-04-16?10:50??相位屏仿真方法\ft_phase_screen.m

?????文件???????1444??2018-04-16?10:51??相位屏仿真方法\ft_sh_phase_screen.m

?????文件????????139??2018-04-24?20:40??相位屏仿真方法\ift2.m

?????文件?????????86??2019-04-12?17:13??相位屏仿真方法\r0.m

?????文件???????1265??2019-04-12?16:15??相位屏仿真方法\Untitled_tuxiang.m

?????目錄??????????0??2019-04-16?09:50??相位屏仿真方法

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?????????????????3586????????????????????6