//Ex:2.39
clc;
clear;
close;
printf("Effective aperture and scattering aperture- Resides effective aperture, there are other aperture also like scattering aperture (As) and loss aperture (Al). Corresponding to considerable losses in radiation or re-radiation Resistance (Rr) and antenna losses resistance (Rl) respectively and accordingly they are called as scattering apertures.");
// The scattering aperture, As=((Irms)^2*Rr)/P
printf("The scattering aperture, As=(V^2*Rr)/((RL+RA)^2+(XL+XA)^2)*P) ");