頻譜擴散 的英文怎麼說

中文拼音 [bīnkuòsǎn]
頻譜擴散 英文
spectrum spreading
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : 動詞(擴大) expand; enlarge; extend
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  1. With dispersion, xpm can induce intensity fluctuations and timing jitter of the pulses in the receiver. it can also cause the spectral spreading of the channel so that crosstalk is introduced. all these effects put a tight limit on the capacity of the systems

    它與色共同作用,會導致接收端光脈沖的變形(強度起伏) 、光脈沖的時間抖動以及通道的展,這些後果都會限制系統的性能。
  2. 1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain

    地面動目標檢測的最大難點: 1 )雷達下視時地雜波特別強; 2 )由於平臺運動,地雜波存在著空時耦合,雜波展寬; 3 )為避免距離模糊,採用較低的重復率,但會存在多普勒模糊,地雜波到整個多普勒域。
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