英语词汇“synthetic-aperture radar”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	synthetic-aperture radar
释义	synthetic-aperture radar synthetic-aperture radar [sin′thed·ik ¦ap·ə·chər ′rā‚där] (engineering) A radar system in which an aircraft moving along a very straight path emits microwave pulses continuously at a frequency constant enough to be coherent for a period during which the aircraft may have traveled about 1 kilometer; all echoes returned during this period can then be processed as if a single antenna as long as the flight path had been used.
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