載波捕獲時間 的英文怎麼說

中文拼音 [zǎihuòshíjiān]
載波捕獲時間 英文
carrier acquisition time
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 捕名詞(姓氏) a surname
  • : Ⅰ動詞1. (捉住; 擒住) capture; catch 2. (得到;取得) obtain; win; reap 3. (收割) reap; harvest Ⅱ名詞(姓氏) a surname
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  • 捕獲 : 1. (捉到; 逮住) catch; capture; succeed in catching; acquire; arrest; seize 2. (俘獲) trapping
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. There are two uncertain factor about it : the phase of the pn code and the doppler - shift. after capturing the received signal successfully, the traditional ds receiver always uses a delay locked loop ( dll ) to synchronize the pn code and then uses a costas loop to realize the carrier synchronization. this complex closed - loop structure not only take long time to realize the synchronization, but also has the defect of “ hang up ”

    傳統的擴頻接收機通常在偽碼信號后利用遲早門鑒相的延鎖定環來實現偽碼的精同步,解擴后利用科斯塔斯環實現同步,這種閉環結構不僅同步長、結構復雜,而且鎖相環還存在所謂的「 hang - up 」現象。
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