Estimation of Diffraction Loss with Fresnel Parameter

 %======= SURAJ BASTOLA ========================%

%==========Plotting
Frenel Diffraction Paramter with Diffraction Loss%=====

clc;

clear all;

u=-5:0.05:5;

for (i=1:length(u))

if (u(i)<=-1)

    f1(i) = 0;   

elseif(u(i)<=0)

    f1(i) = 0.5-0.62*u(i);  

elseif(u(i)<=1)

    f1(i) = 0.5*exp(-0.95*u(i));   

elseif(u(i)<=2.4)

    f1(i) = 0.4-(sqrt(0.1184-(0.38-0.1*u(i))^2));       

else

    f1(i) = (0.225079)./u(i);     

end

end

G = 20*log(abs(f1)); 

plot(u,G,'r')

xlabel('Fresnel Diffraction Parameter')

ylabel('Diffraction Loss (dB)')

title('Frenel Diffraction Paramter Analysis with Diffraction Loss')