英汉例句

• Based on the requests of synchronization for a high-speed FH communication system, we achieved synchronization by using a method combined synchronization-head with time of day (TOD).

  针对高速跳频通信系统中同步的要求，采用同步头与时间信息相结合的方法实现跳频同步。

• Therefore, it has a practical significance to develop some fit methods of modulation with high spectrum efficiency for shortwave FH communication system.

  因而，研究适合于高速数据传输的跳频通信特点且具有高效频谱利用率的调制技术具有重要的实际意义。

• Therefore, based on researching FH communication systems, the influence of part time-resident interference on FH communications synchronization and its tracking has been mainly analyzed.

  为此，在对跳频通信系统研究基础上，重点分析了部分驻留时间干扰对跳频通信系统同步及跟蹤的影响。

• Modern FH communication system need transmit a mass of data, traditional modulations are no longer suitable for high-speed data transmitting in FH system due to low spectrum efficiency.

  现代跳频系统需要传输大量数据信息，传统调制方式由于频谱利用率低而不适合跳频系统的高速数据传输。

• The dissertation designs and implements the system of data transmission with FH communication in underwater seas, which is performed in field test in Xiamen Harbor.

  论文完整地设计并实现了一套能适用于浅海的抗多途水声跳频数据传输系统，并经过了水池和厦门港的海上现场实验验证。

• As is known it is difficult to design good FH code and synchronize the transmitter and receiver in a chaotic FH communication system.

  众所周知，设计好的跳频码和在混沌跳频通信系统中实现收发双方的同步是很困难的。

• New interference methods, such as sweeping frequency interference and faster-hop-collision interference, become a new focus of electronic countermeasures to FH communication systems.

  扫频式干扰、更高跳速碰撞干扰等新的干扰方法成为跳频通信系统电子对抗领域中又一重要研究方向。

• The principle of FH communication is described.

  简述了跳频通信的基本原理。

• The No-Hit-Zone (NHZ) hopping code is employed by the frequency hopper of NHZ FH communication systems, which have no hits at all within a predefined correlation zone in the vicinity of zero shift.

  无碰撞区跳频通信系统的跳频器所使用的跳频码是无碰撞区跳频码，该码在零位移附近一段区域内汉明相关值为零。

• In this thesis, a new quasi-synchronous multiple access scheme suitable for FH communication system employing NHZ hopping code is proposed.

  为了利用无碰撞区跳频码的特点，论文提出了一种适用于基于无碰撞区跳频码跳频通信系统的多址接入準同步组网方案。

• It is importance for us to exert the battle efficiency and improve the battle effectiveness of FH communication systems.

  对正确应用跳频通信系统和提高其战斗效能具有重要意义。