RADIO DETECTION AND RANGING

WordNet Dictionary

	Definition:	[n] measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

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	Synonyms:	microwave radar, radar, radiolocation

	See Also:	3d radar, cathode-ray oscilloscope, CRO, dish, dish aerial, dish antenna, early warning radar, measuring device, measuring instrument, measuring system, oscilloscope, pulse generator, saucer, scope, three-dimensional radar, wave guide, waveguide, weather radar