radiolocation

Radiolocation is the process of finding the location of something through the use of radio waves. It generally refers to passive uses, particularly radar — as well as detecting buried  cables, water mains, and other public utilities. It is similar to radionavigation, but radiolocation usually refers to passively finding a distant object rather than actively one's own position. Both are types of radiodetermination.
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Noun
1. measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
(synonym) radar, microwave radar, radio detection and ranging
(hypernym) measuring instrument, measuring system, measuring device
(hyponym) early warning radar
(part-meronym) dish, dish aerial, dish antenna, saucer
(derivation) radiolocate

Radiodetermination used for purposes other than those of radionavigation. [NTIA] [RR]

radiolocation /'reidioulou'keiʃn/
danh từ khoa định vị rađiô, khoa rađa
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RADIOLOCALIZZAZIONE