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  • 大小: 2KB
    文件類型: .m
    金幣: 1
    下載: 1 次
    發布日期: 2021-05-14
  • 語言: Matlab
  • 標簽:

資源簡介

可見光通信計算室內光強分布 matlab 已經調通

資源截圖

代碼片段和文件信息

%%
theta?=?70;
%?semi-angle?at?half?power
ml=-log10(2)/log10(cosd(theta));
%Lambertian?order?of?emission
P_LED=20;
%transmitted?optical?power?by?individual?LED
nLED=60;
%?number?of?LED?array?nLED*nLED
P_total=nLED*nLED*P_LED;
%Total?transmitted?power
Adet=1e-4;
%detector?physical?area?of?a?PD
Ts=1;
%gain?of?an?optical?filter;?ignore?if?no?filter?is?used
index=1.5;
%refractive?index?of?a?lens?at?a?PD;?ignore?if?no?lens?is?used
FOV=70;
%FOV?of?a?receiver
G_Con=(index^2)/(sind(FOV).^2);
%gain?of?an?optical?concentrator;?ignore?if?no?lens?is?used
%%
lx=5;?ly=5;?lz=3;
%?room?dimension?in?meter
h=2.15;
%the?distance?between?source?and?receiver?plane
[XTYT]=meshgrid([-lx/4?lx/4][-ly/4?ly/4]);
%?position?of?LED;?it?is?assumed?all?LEDs?are?located?at?same?point?for
%?faster?simulation
%?for?one?LED?simulation?located?at?the?central?of?the?room?use?XT=0?and?YT=0
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Nx=lx*5;?Ny=ly*5;
%?number?of?grid?in?the?receiver?plane
x=linspace(-lx/2lx/2Nx);
y=linspace(-ly/2ly/2Ny);
[XRYR]=meshgrid(xy);
D1=sqrt((XR-XT(11)).^2+(YR-YT(1

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