片语

spread spectrum communication technology扩频通信技术

a spread spectrum communicationcdma扩频通信

hybrid spread-spectrum communication system混合扩频通信系统

spread spectrum communication mode扩频通信方式数据

Spread Spectrum Communication Became扩展频谱通信

underwater spread spectrum communication水声扩频通信

spread-spectrum communication systems扩频通信系统

chaotic spread spectrum communication混沌扩频通信

英汉例句

• According to different ways of spread spectrum, spread spectrum communication systems are divided into: direct sequence spread spectrum, frequency-hopping spread spectrum and hybrid spread spectrum.

  根据扩展频谱方式的不同，扩频通信系统分为：直接序列扩频、跳频扩频和混合扩频。

• In this paper, the theory of spread spectrum communication technology is presented, the structure and the operating principle of spread spectrum communication system are discussed.

  本文讨论直接序列扩展频谱通信系统中有关同步捕获和跟蹤的问题。

• In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.

  在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。

• Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.

  本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。

• Synchronization is one of the key techniques in spread spectrum communication systems. The paper proposes a synchronization scheme suited for common simulation software.

  同步是扩频通信的关键技术之一，本文针对直扩系统，给出了一个利用通用仿真软件包对其进行仿真的方案。

• The spread spectrum communication technology is used far and wide because of the inherent fine performance such as information hiding, low probability of intercept and anti-jamming.

  扩频通信技术由于其本身具备消息隐藏性、低截获概率和抗干扰性能强的优良性能而得到广泛应用。

• A novel scheme for enhancing antijamming capabilities of spread spectrum communication systems is proposed in the paper.

  本文提出了一种用于提高扩谱通讯系统抗干扰能力的新方案。

• The spread spectrum communication technology regarded as an advanced modulation technology has been drawing more and more attention.

  扩频通信技术作为一种先进的调制技术，日益受到世人关注。

• The spread spectrum communication can be divided into the direct sequence spread spectrum, frequency hopping, hopping time and other basic modes.

  扩频通信可分为直接序列扩频、跳频、跳时等基本方式。

• In recently years, people have paid much attention to the research of self-encoded in the spread spectrum communication system and gotten certain achievements.

  近年来，人们对于自编码在扩频通信系统中应用进行了大量研究并取得丰富成果。

• The technology of low voltage powerline carrier spread spectrum communication and the auto meter reading system based on it are introduced in this paper.

  本文就低压电力线扩频载波技术及其在自动抄表中的应用进行了研究。

• Spreading sequences design is one of the key task in the direct-sequence spread spectrum communication systems.

  扩频序列设计是直接序列扩频通信系统的关键课题之一。

• In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.

  针对扩频通信系统中的伪码同步问题，分析了基于匹配滤波捕获跟蹤算法的伪码数字化同步方案。

• In this dissertation, some methods for narrowband interference suppression and impulse interference rejection in the low orbit satellite spread spectrum communication are studied.

  本文针对低轨卫星扩频通信的窄带干扰和脉沖干扰抑制方法进行了研究和仿真。

• It has become more and more important that simulation technology be used to aid the design and analysis of the spread spectrum communication system because of its complexity.

  扩频通信因其自身的复杂性，利用仿真技术来进行辅助设计和分析已变得越来越重要。