| 单词 | radio burst |
| 释义 | > as lemmasradio burst radio burst n. a brief emission or transmission of radio waves; (Astronomy) a short-lived emission of unusually intense radio signals from a celestial object (in the case of the sun, often as an accompaniment to a solar flare). ΚΠ 1949 Nature 12 Nov. 816/1 Although visual flares grow rapidly, they do not compare in abruptness with radio bursts, which often rise in intensity by more than a hundred times in less than a minute. 1972 Jrnl. Brit. Astron. Assoc. 82 149 Solar flares and radio bursts have been studied with sophisticated radio heliographs and satellite-borne X-ray detectors. 1980 Solar Physics 65 397 The planetary radio astronomy experiment on the Voyager spacecraft observed several type II solar radiobursts at frequencies below 1.3 MHz. 2003 Independent 26 Mar. i. 6/5 When an aircraft or vessel comes into their radar field, these transmit a series of encrypted queries..in radio bursts lasting a few microseconds. < as lemmas |
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