释义 |
DictionarySeedirection finderradio direction finder
radio direction finder[′rād·ē·ō di′rek·shən ‚fīn·dər] (navigation) A radio aid to navigation that uses a rotatable loop or other highly directional antenna arrangement to determine the direction of arrival of a radio signal. Abbreviated RDF. Also known as direction finder. AcronymsSeeRDF |