例句與用法

1. For it has many unique advantages , pseudo - noise linear m - sequence binary phased coded cw signal is widely used in the new generation air defense systems
   偽隨機m序列相位編碼連續波信號體制由于其固有的優點,在新一代地空制導雷達中得到了廣泛的應用。
2. However , the traditional spreading codes are usually deterministic pseudo - noise ( pn ) codes , which can be duplicated , potentially compromising the transmission security . then the time varying and random spreading codes are expected
   為了提高擴頻通信系統的抗干擾性、降低信號被截獲的概率,我們希望擴頻碼是隨機的、動態變化的。
3. Based on the statistics characteristic of prc - phase - modulation cw phase - array guidance radar , this thesis discusses the signal processing method and cfar algorithm of multiple repetition frequency pseudo - noise m - sequence phase coded signal
   本文結合偽碼調相連續波信號體制的特點,深入研究了多參差重復頻率偽隨機m序列相位編碼信號的處理方法和恒虛警檢測算法。
4. Traditional spread spectrum communication adopts pseudo - noise ( pn ) codes as spreading codes . however , pn sequence is fixed and periodic , which threatens the transmission security . self - encoded spread spectrum ( sess ) employs random spreading sequences that are extracted from the random information data , abandoning the fixed sequence
   傳統的擴頻通信廣泛采用偽噪聲( pseudo - noise , pn )序列作為擴頻序列, pn序列具有類噪聲特性,但它實際上是確定的周期序列,容易被復制。
5. Simulations on the key technique of spread spectrum communications are studied here , according to the characteristic of lduwarc system , issues concerning pseudo - noise codes , spread spectrum method , correlation receiving and synchronization . we also design an error correction code for the system
   論文還對擴頻通信的關鍵技術進行了仿真研究，針對遠程聲遙控系統的特點，討論了擴頻碼、擴頻方式、相關接收和同步問題，同時討論了適合遠程聲遙控系統的糾錯編碼技術。