In future wireless communications, the spread-spectrum communication technology will play its advantages fully and it will be attracting more attention.
在未来无线通信系统中，扩频通信技术也将充分发挥它的优越性，必将得到人们越来越多的关注。
This paper introduces the principle of spread spectrum communication, stresses the application of spread spectrum technique, and summarily introduces the broadband access technology of power line .
本文介绍了扩频通信的基本原理，重点论述扩频通信技术在家庭测控网络中的应用，同时介绍了电力线宽带接入技术。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
The spread spectrum communication with an aperiodic PN code and under strong man-made jammers has an important significance in military communications.
强人为干扰环境下的非周期扩频码的扩频通信在军事上具有重要的意义。
Spread spectrum communication is the most efficient mode in the strong noise environment such as the coal mine.
扩频通信是矿井等强噪声环境中最有效的通信方式。
Spread Spectrum communication became one of the communication ways with wide developing prospect, and has being applied to military communication and civil communication extensively.
扩展频谱通信是具有广阔发展前景的通信方式之一，并广泛应用于军事通信和民用通信中。
Spectra expanding of Spread spectrum communication system makes use of the spread spectrum function to realize, the typical spread spectrum function is pseudo random sequence code.
直接系列扩频通信系统的频谱扩展是借助于扩频函数而实现的，典型的扩频函数就是伪随机序列码。
First, the basic principles of power line communication and spread spectrum are introduced.
论文首先介绍了电力线载波通信和扩频技术的基本原理。
When designing a special type small satellite (STSS) communication system with spread-spectrum technology, the fading and the interference must be considered carefully.
对于特种小卫星扩频通信系统，衰落及干扰状况是系统设计时必须考虑的重要方面。
Spread - spectrum technique has been widely used in the burgeoning individual wireless communication.
扩频技术在新兴的个人无线通信中得到了广泛的应用。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
研究了用于低轨卫星通信的直接序列扩频系统的码捕获技术。
The rejection techniques of broadband interference have caused more and more attention in Spread Spectrum(SS) communication systems.
扩频通信系统中宽带干扰的抑制技术越来越引起人们的重视。
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冲干扰抑制方法进行了研究和仿真。
The technology of directs sequence spread spectrum (DSSS) have been applied in the military communication widely.
直接序列扩频技术在军事通信中得到了广泛的应用。
The applications of SAWTDL in the TDMA spread spectrum mobile communication system is mainly introduced in this paper.
文中主要介绍声表面波抽头延迟线(SAWTDL)在TD MA扩频移动通信系统中的应用。
According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题，提出了基于软件无线电平台的处理方法。
In the system of spread-spectrum communication, the essential point of demodulating information is to ensure the synchronism of local PN sequence and PN sequence of received signals.
扩频通信系统中，保证本地产生的PN序列与接收信号中的PN序列完全同步，是正确解调信息的关键点。
The DS/CDMA digital mobile communication system is based on Spread-spectrum technique and CDMA technique.
扩频技术在码分多址通信中的应用产生了DS/CDMA数字蜂窝移动通信系统。
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。
Experimental results show that this scheme can generate much more spread-spectrum sequences than single chaotic map to satisfy the demand of spread-spectrum communication.
计算机仿真结果表明，该模型产生的混沌扩频序列调整更容易，比基于单一混沌映射能产生更多符合扩频通信要求的扩频序列。
In view of the acquisition in spread spectrum wireless data communication system, a new way using PN matched filter is proposed in this paper, which increase the efficiency of communication greatly.
本文针对扩频无线数据通信系统的捕获问题，提出了一种采用PN匹配滤波器实现的方法，大大提高了通信效率。
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。
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。
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。
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踪算法的伪码数字化同步方案。
Original watermark is mapped to watermark information, which can be directly embedded to the host, with spread-spectrum communication technique.
算法将原始水印利用扩频通信技术生成能够直接嵌入的水印信息；
In spread-spectrum communication systems, the essential task which has to be performed is the synchronization of receiver pseudonoise (PN) signal with the pseudonoise signal contained in the input.
扩谱通信中一个最基本的任务就是实现本机的伪随机信号与接收的伪随机信号的同步。
The proposed system can improve which improving the reliability of communication by zero-crossing spread spectrum technology and active watchdog technology.
该系统采用过零点扩频通信方案大大提高了通信成功率，使用主动式看门狗电路提高系统的电磁兼容性。
We hope that this article will be helpful for giving impulse to the research of spread-spectrum communication used in coal mine system.
我们希望本文的证明有助于推动扩频通信在煤矿系统中的应用研究。
We hope that this article will be helpful for giving impulse to the research of spread-spectrum communication used in coal mine system.
我们希望本文的证明有助于推动扩频通信在煤矿系统中的应用研究。
应用推荐