Question

what is differnce between horn antenna parabolic antenna

Answer 1

here is your answer...............................

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first fall antenna and parabolic antenna.........
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Generalized answer: A dish antenna is basically a parabolic antenna. Just life a concave lens, it focuses the the oncoming radio waves and they converge at the focus. this ensures a high quality signal. A ray that strikes the antenna surface is reflected to the focus of the dish because it has a parabolic shape.

Answer 2

Answer:

The advantage of this design over a standard parabolic antenna is that the horn shields the antenna from radiation coming from angles outside the main beam axis, so its radiation pattern has very small sidelobes.