sky wave

基本解釋

• n. [電子][通信] 天空電波

英漢例句

雙語例句

• The transmission of the sky wave is realized by the reflection from ionosphere, especially after reflecting many times, to achieve global communication.
  天波的傳播是利用電離層的反射來實現(xiàn)的，尤其是多次反射后可以實現(xiàn)全球通信。
• The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.
  高頻天波超視距雷達所獨有距離多跳現(xiàn)象，使得位于雷達威力覆蓋范圍以遠(yuǎn)的雜波通過地面與電離層的多次反射進入到雷達的接收陣列。
• Since the surveillance area of sky wave Over-The-Horizon Radar (OTHR) is very vast, realizing the ship detection with short coherent integration time (CIT) is an operational requirement for OTHR.
  天波超視距雷達（OTHR）的觀測范圍非常廣，實戰(zhàn)中經(jīng)常要求在短相干積累條件下檢測出艦船目標(biāo)。

權(quán)威例句

• China has built several sky-wave based Over-the-Horizon radar stations that for the first time allow the PLA to monitor continuously U.S. Navy ship movements hundred miles out in the Western Pacific.
  CENTERFORSECURITYPOLICY: China's one world?

• sky wave更多例句

詞組短語

短語

• lf sky -wave 低頻天波
• sky -wave path loss 天波路徑損耗

• sky wave更多詞組

英英字典

柯林斯英英字典

• a radio wave reflected back to the earth by the ionosphere (ionospheric wave), permitting transmission around the curved surface of the earth &rarrcompare ground wave

• sky wave劍橋字典
• sky wave柯林斯字典

專業(yè)釋義

電子、通信與自動控制技術(shù)

• 天波
• 天空輻射波
• 天空電波

機械工程

• 天波