dish aerial satellite
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dish aerial satellite |
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| navigate by keyword : aerial antenna background broadcast broadcaster broadcasting business cable cell cellular communication data digital dish electronic energy equipment global innovation intelligence internet landscape media mobile modern network outdoor pole pylon radar radio receive receiver reception satellite science signal software space system technology telecommunication telephone television transmission transmit wave white wireless |
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| A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves. The most common form is shaped like a dish and is popularly called a dish antenna or parabolic dish. The main advantage of a parabolic antenna is that it has high directivity. It functions similarly to a searchlight or flashlight reflector to direct the radio waves in a narrow beam, or receive radio waves from one particular direction only. Parabolic antennas have some of the highest gains, that is, they can produce the narrowest beamwidths, of any antenna type. |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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