• In future wireless communications, the spread-spectrum communication technology will play its advantages fully and it will be attracting more attention.

    未来无线通信系统中,扩频通信技术充分发挥的优越性,必将得到人们越来越关注

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  • 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 .

    本文介绍扩频通信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。

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  • It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.

    主要数字调制系统扩展频谱通信原理直接序列扩频系统等内容。

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  • The spread spectrum communication with an aperiodic PN code and under strong man-made jammers has an important significance in military communications.

    人为干扰环境周期扩频扩频通信军事上具有重要意义

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  • Spread spectrum communication is the most efficient mode in the strong noise environment such as the coal mine.

    扩频通信矿井噪声环境有效的通信方式

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  • Spread Spectrum communication became one of the communication ways with wide developing prospect, and has being applied to military communication and civil communication extensively.

    扩展频谱通信具有广阔发展前景通信方式之一,广泛应用军事通信民用通信中。

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  • 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频谱扩展是借助于扩频函数实现的,典型的扩频函数就是随机序列

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  • 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扩频技术基本原理

    youdao

  • When designing a special type small satellite (STSS) communication system with spread-spectrum technology, the fading and the interference must be considered carefully.

    对于特种卫星扩频通信系统衰落干扰状况是系统设计必须考虑的重要方面。

    youdao

  • Spread - spectrum technique has been widely used in the burgeoning individual wireless communication.

    扩频技术新兴个人无线通信中得到了广泛的应用。

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  • 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直接序列扩频系统捕获技术

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  • The rejection techniques of broadband interference have caused more and more attention in Spread Spectrum(SS) communication systems.

    扩频通信系统宽带干扰抑制技术越来越引起人们的重视

    youdao

  • 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窄带干扰脉冲干扰抑制方法进行了研究和仿真。

    youdao

  • The technology of directs sequence spread spectrum (DSSS) have been applied in the military communication widely.

    直接序列扩频技术军事通信得到了广泛应用

    youdao

  • 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)TD MA扩频移动通信系统中的应用

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  • 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

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  • 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.

    扩频通信系统保证本地产生PN序列接收信号中的PN序列完全同步正确解调信息的关键点。

    youdao

  • The DS/CDMA digital mobile communication system is based on Spread-spectrum technique and CDMA technique.

    扩频技术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

    youdao

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

    扩频序列设计直接序列扩频通信系统关键课题之一

    youdao

  • 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模型产生混沌扩频序列调整容易,基于单一混沌映射产生更多符合扩频通信要求的扩频序列。

    youdao

  • 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捕获问题,提出采用PN匹配滤波器实现的方法,大大提高通信效率。

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  • 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调制技术,日益受到世人关注。

    youdao

  • 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应用进行了大量研究取得丰富成果

    youdao

  • 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.

    本课题扩频通信理论基础,结合目前广泛使用的数字信号处理芯片DSPFPGA研究区域无线电导航系统接收机数字信号处理平台。

    youdao

  • 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同步问题,分析了基于匹配滤波捕获跟踪算法伪码数字化同步方案。

    youdao

  • Original watermark is mapped to watermark information, which can be directly embedded to the host, with spread-spectrum communication technique.

    算法原始水印利用扩频通信技术生成能够直接嵌入水印信息

    youdao

  • 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.

    通信中一个基本任务就是实现本机随机信号接收的伪随机信号的同步

    youdao

  • The proposed system can improve which improving the reliability of communication by zero-crossing spread spectrum technology and active watchdog technology.

    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电磁兼容性。

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  • 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煤矿系统中的应用研究

    youdao

  • 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煤矿系统中的应用研究

    youdao

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