英语词汇“radio direction finding”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

radio direction finding n. the action or process of determining from which direction radio waves are coming by means of a radio direction-finder; = direction-finding at direction n. Compounds 2; abbreviated RDF.

ΚΠ

1919 Syracuse (N.Y.) Herald 11 May 29/7 Radio direction finding, and other modern equipment of this character.

1920 Radio Rev. Oct. 644 Radio direction finding..has become a practical possibility owing to the use of powerful amplifiers.

1974 Encycl. Brit. Macropædia XII. 903/2 Radio direction finding..developed in two ways. First, radio transmitters, or ‘beacons’, were sited..to enable ships or aircraft to fix their positions. Second, ground DF stations that could pick up radio signals sent out by a ship or an aircraft were built.

2000 N.Y. Rev. Bks. 2 Nov. 59/2 The US Navy did this by the well-known procedure of radio direction-finding.

单词	radio direction finding
释义	> as lemmas radio direction finding radio direction finding n. the action or process of determining from which direction radio waves are coming by means of a radio direction-finder; = direction-finding at direction n. Compounds 2; abbreviated RDF. ΚΠ 1919 Syracuse (N.Y.) Herald 11 May 29/7 Radio direction finding, and other modern equipment of this character. 1920 Radio Rev. Oct. 644 Radio direction finding..has become a practical possibility owing to the use of powerful amplifiers. 1974 Encycl. Brit. Macropædia XII. 903/2 Radio direction finding..developed in two ways. First, radio transmitters, or ‘beacons’, were sited..to enable ships or aircraft to fix their positions. Second, ground DF stations that could pick up radio signals sent out by a ship or an aircraft were built. 2000 N.Y. Rev. Bks. 2 Nov. 59/2 The US Navy did this by the well-known procedure of radio direction-finding. extracted from radion. < as lemmas
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> as lemmas