英语词汇“radar beam”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radar beam
释义	radar beam radar beam [′rā‚där ‚bēm] (electromagnetism) The movable beam of radio-frequency energy produced by a radar transmitting antenna; its shape is commonly defined as the loci of all points at which the power has decreased to one-half of that at the center of the beam. radar beam A beam of focused electromagnetic energy radiated by radar. It is akin to a searchlight beam, although not in the visible spectrum. See fan beam.
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