(Q). A paraboloid reflector antenna with a diameter of 20m is designed to operate at a frequency of 6GHz and illumination efficiency of 0.54. Calculate the antenna gain in decibels.
by 0 D = 20 and r = 10 m, f= 6GHz k = 0.54 λ = 3*10^8/(6*10^9) = 0.05 Now, Antenna gain GP = 4π*k*A/ λ^2 = …