| 双Dwell PN码捕获算法分析及仿真 |
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| 引用本文： | 王勇,赵佟萍,胡以华.双Dwell PN码捕获算法分析及仿真[J].火力与指挥控制,2008,33(12). |
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| 作者姓名： | 王勇 赵佟萍 胡以华 |
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| 作者单位： | 1. 解放军电子工程学院,安徽,合肥,230037
2. 兰州军区通信训练大队,陕西,西安,710061 |
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| 基金项目： | 国家"863"基金资助项目
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| 摘 要： | 无线通信在现代指挥控制体系中扮演着越来越重要的角色.提出双最大时间间隔(Dwell)PN码捕获算法,有效地解决了传统的PN码捕获技术在频率选择性衰落信道中恶化的问题,仿真比较了双Dwell算法与传统的差动捕获算法两种算法在检测概率、虚警概率和平均捕获时间等方面的性能,结果表明在相同硬件和信噪比条件下双Dwell算法具有更优越的性能.
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| 关 键 词： | 无线通信 PN码捕获 双最大时间间隔 衰落 |
Double Dwell PN Code Acquisition Algorithm Analysis and Simulation |
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| WANG Yong,ZHAO Tong-ping,HU Yi-hua.Double Dwell PN Code Acquisition Algorithm Analysis and Simulation[J].Fire Control & Command Control,2008,33(12). |
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| Authors: | WANG Yong ZHAO Tong-ping HU Yi-hua |
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| Institution: | WANG Yong1,ZHAO Tong-ping2,HU Yi-hua1 (1.Electronic Engineering Institute,PLA,Hefei 230037,China,2.Lanzhou Communication Training Team,Xi\'an 710061,China) |
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| Abstract: | Wireless communication plays the more and more important role in modern command and control systems.Performance of conventional PN acquisition algorithms deteriorates when they are used in a fading channel.In this paper Double Dwell PN acquisition algorithm was proposed to improve that performance in the frequency-selective fading channel.Performances between Double Dwell algorithm and conventional differential PN acquisition algorithm in detecting probability,false-alarm probability and mean capture time w... |
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| Keywords: | wireless communication PN code acquisition double dwell fading |
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