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Compute Gain for 699-1 Antenna
This SatLab plot shows a gain analysis for the ITU699-1 antenna.
The script to generate this plot is shown below.
function demoAntenna
%
% This demo computes and displays the antenna gain of
% the ITU699-1 antenna, Required for the analysis of
% inteference into ground based microwave systems
%
D = 2.76; % [m]
lambda = 0.12; % [m] corresponding to f=2.5 GHz
Gmax = 33; % [dB]
i = 1;
G = 1;
x = [0:.2:2.8 2.8276 3.2983 3.5:.5:90];
for phi=x,
G(i) = ITU699_1(phi, D, lambda, Gmax);
i = i+1;
endfor
Aeff = exp10((G +10*log10(lambda^2/(4*pi)))/10);
erase
plot(x, Aeff, 'logy,grid')
title('ITU 699-1: D=2.76m, l=0.12m, Gmax=33',
' l g l lll')
ylabel('Effective Antenna Area (m223)',
' llllllll llllll lll slx xs')
xlabel('f (deg)',
'g sllls')