• 扩频序列设计直接序列扩频通信系统关键课题之一

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

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  • 其中直接序列扩频通信目前使用典型扩频工作方式

    Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.

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  • 提出直接序列扩频通信系统抑制窄带干扰算法

    An algorithm for the suppression of narrowband interference in the direct sequence spread-spectrum (DSSS) systems is presented.

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  • 直接序列扩频通信系统扩频增益受限,强功率窄带干扰系统性能影响较大

    In direct sequence spread spectrum communication system when the spreading gain is limited, the performance of the communication system will be impacted by the strong power of narrowband interference.

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  • 然后详细介绍编码直接序列扩频通信原理、自编码扩频序列产生方法及其统计特性

    Then the principle of SESS system is introduced. The generation of the SESS spreading code and its characteristics are also analyzed.

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  • 文中提出的虚拟式直接序列扩频通信电台直接序列扩频通信软件无线电虚拟技术相结合

    Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined.

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  • 针对直接序列扩频通信中的载波恢复问题提出了一种基于自适应算法设计pll载波跟踪方法。

    For the problem of carrier recovery in DS-SS communication, the model of dual PLL is presented, which is designed based on the auto -adapted algorithm.

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  • 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,并产生一个调制转发干扰

    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.

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  • 扩频通信技术常见的是直接序列扩频通信(DS - SS)系统,本论文所研究的就是这一类通信系统。

    In this dissertation, the author mostly research on Direct Sequence Spread Spectrum (DS-SS), the most ordinary one within Spread Spectrum technologies.

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  • 文章介绍直接序列扩频通信原理及其优点,针对不同干扰方式,对直接序列扩频通信的抗干扰能力进行分析

    The paper introduces the principle and the merit of DSSS communication, then analyze the anti-jamming capability of DSSS communication in the case of many kinds of jam.

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  • 根据目前直接序列扩频通信军用情况,研究直接序列扩频通信电台战术应用提高战斗效能具有重要意义

    According to the martial applications of DSSS communication, the article studies the tactical use of DSSS radios. It is of real significance for us to improve the battle effectiveness of DSSS radios.

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  • 提出一种用于直接扩频通信系统DSSS)快速捕获新型组合表子SAW卷积序列搜索捕获方案

    A new combined Surface Acoustic Wave (SAW) convolver, or a serial searching code acquisition scheme for direct sequence spreading spectrum (DSSS) communication system is presented.

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  • 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,典型扩频函数就是随机序列

    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.

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  • 干扰抑制提高直接序列DS扩频通信系统抗干扰能力重要手段

    The anti jamming capability of DS/SS communications systems can be enhanced significantly by interference suppression techniques.

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  • 扩频通信技术中,直接序列扩频跳频应用广扩频技术

    In the spread spectrum communication, direct sequence spread spectrum (DSSS) and frequency hopping (FH) are the two kinds of most widely used spread spectrum technologies.

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  • 详细说明了扩频通信的理论基础之后,对直接序列扩频技术系统作了介绍。

    Secondly, the system physical layer's key technologyDirect Sequence Spread Spectrum (DSSS) is described.

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  • 根据扩展频谱方式不同扩频通信系统分为直接序列扩频跳频扩频混合扩频

    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.

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  • 根据扩展频谱方式不同扩频通信系统分为直接序列扩频跳频扩频混合扩频

    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.

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