Question
Define different types of aperture?
Answers
Effective aperture (Ae): It is the area over which the power is extracted from the incident wave and delivered to the load is called effective aperture. 
Scattering aperture (As): It is the ratio of the reradiated power to the power density of the incident wave.
Loss aperture (Ae): It is the area of the antenna which dissipates power as heat. 
Collecting aperture (Ae): It is the addition of above three apertures.
Physical aperture (Ap): This aperture is a measure of the physical size of the antenna.   Your Comment




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