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parabolic antenna[¦par·ə¦bäl·ik an′ten·ə]
Antenna with a radiating element and a parabolic reflector that concentrates the radiated power into a beam.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
parabolic antennaA bowl-shaped antenna that reflects and focuses incoming radio waves into a narrow beam directed toward a receiver typically positioned above the center of the unit. Also called a "dish" or "mirror," parabolic antennas are used for satellite signals and planetary telescopes. The reflective mirror design can also emit energy such as in a flashlight or automobile headlight. See DBS.
|Parabolic antennas are easily recognized by their bowl shape.|
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