Spectrul de atenuare atmosferică a undelor radio
% Spectrul de atenuare gazoasă atmosferică
% de la 1GHz la 1000 GHz
freq = [1:1000]*1e9;
R = 1000.0;
T = 15;
P = 101300.0;
W = 7.5;
L = gaspl(R,freq,T,P,W);
L0 = gaspl(R,freq,T,P,0.0);
s1 = semilogy(freq/1e9,L)
s1.LineWidth = 1.5;
hold on
s2 = semilogy(freq/1e9,L0)
s2.LineWidth = 1.5;
grid
xlabel('Frequency (GHz)')
ylabel('Specific Attenuation (dB)')
hold off