urgency signal 中文意思是什麼
urgency signal
解釋
國際緊急信號-
This is a signal of the urgent urgency from field army headquarters.
這里野戰軍首長拍來的十萬火急的電報。 -
But modern electronic counterwork technic could exactly estimate the carrier frequency, signal period, even the pseudo - random ( pn ) sequence itself of direct sequence spread spectrum ( dsss ). it is urgency to investigate a new dsss to achieve lower probability of detection ( lpd ) and higher anti - jamming
然而現代電子對抗技術可以準確估計直接序列擴頻通信的載波頻率、符號周期甚至擴頻碼本身,為達到更低截獲率和更高抗干擾的通信目的,必須研究新的直擴通信技術。
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