| 基于软件无线电的直扩通信终端设计与仿真 |
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| 引用本文： | 陈颖,张福洪. 基于软件无线电的直扩通信终端设计与仿真[J]. 现代电子技术, 2010, 33(21): 15-17 |
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| 作者姓名： | 陈颖 张福洪 |
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| 作者单位： | 杭州电子科技大学通信工程学院,浙江杭州310018 |
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| 基金项目： | 杭州电子科技大学校基金资助项目 |
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| 摘 要： | 随着软件无线电技术在各个领域的广泛应用,由软件来实现直扩通信终端已成为可能。基于软件无线电的思想,提出了一种基于软件无线电的直扩通信终端设计方案。分析了扩频伪码类型、扩频增益、中频选取、伪码同步电路等系统参数,并用Matlab对系统进行了仿真,验证了方案的可行性。该系统具有体积小,灵活性好,低功耗,扩展性强等优点。
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| 关 键 词： | 软件无线电 直扩通信 扩频增益 伪码同步 |
Design and Simulation of DSSS Communication Terminal Based on Software Defined Radio |
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| CHEN Ying,ZHANG Fu-hong. Design and Simulation of DSSS Communication Terminal Based on Software Defined Radio[J]. Modern Electronic Technique, 2010, 33(21): 15-17 |
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| Authors: | CHEN Ying ZHANG Fu-hong |
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| Affiliation: | (College of Communication,Hangzhou Dianzi University,Hangzhou 310018,China) |
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| Abstract: | It′s possible to realize DSSS communication by software with wide application of the software radio.The software,digitization,miniaturization are the inevitable development of DSSS terminal.A scheme of DSSS communication terminal based on software radio is provided.Te types of PN,gain,frequency selection,synchronous circuit are analyzed,and the system is simulated by Matlab and the feasibility of the program is verified.The system has advantages of small volume,flexibility,low power and strong expansion. |
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| Keywords: | software defined radio； DSSS； spread spectrum gain； pseudo code synchronization； |
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