?? 1g3.m
字號(hào):
function [G,A]=G3(Ang)
%The function G3.m gives the 3 Sector antenna numeric gain and
%attenuation.
%
%Input Parameters
%
%Ang is the angle between the direction of interest and the boresight
%of the antenna in degrees.
%
%Output Parameters
%
%G is the numeric antenna gain in dBs
%
%A is the antenna attenuation in dB
if Ang>180
Ang=360-Ang;
elseif Ang<-180
Ang=360+Ang;
end
Am=20;%3 Sector antenna maximum attenuation in dB
Ang3db=70;%3 Sector 3 dB beamwidth in de;grees
A=-min(12*((Ang/Ang3db)^2),Am);
G=10^(0.1*A);
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