| GPS/GLONASS接收机信号捕获及其仿真 |
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| 引用本文： | 刘毓,邹星.GPS/GLONASS接收机信号捕获及其仿真[J].计算机工程与应用,2011,47(1):154-155. |
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| 作者姓名： | 刘毓 邹星 |
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| 作者单位： | 重庆三峡学院 物理与电子工程学院，重庆 404000 |
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| 摘 要： | 随着多星座系统的组建完成，双模接收机已经成为了研究的热点。给出了GPS/GLONASS双模接收机的总体设计方案，重点研究了低信噪比环境下GPS/GLONASS信号捕获，采用基于快速捕获的FFT算法和相关累加结合非相关累加捕获算法分别对GLONASS信号和GPS信号进行检测。利用真实数据对双模接收机的信号捕获算法进行了仿真分析，结果表明双模接收机能够捕获低信噪比环境下的卫星导航信号，提高了接收机的灵敏度。
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| 关 键 词： | 弱信号 双模 灵敏度 捕获 |
| 收稿时间： | 2010-9-2 |
| 修稿时间： | 2010-11-11
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Signal acquisition and simulation on GPS/GLONASS receiver |
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| LIU Yu,ZOU Xing.Signal acquisition and simulation on GPS/GLONASS receiver[J].Computer Engineering and Applications,2011,47(1):154-155. |
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| Authors: | LIU Yu ZOU Xing |
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| Affiliation: | College of Physics and Electronic Engineering，Chongqing Three Gorges University，Chongqing 404000，China |
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| Abstract: | The researches on double mode receivers have become hot points when several constellation systems are completed.The design project of double receiver on GPS/GLONASS is given.GPS/GLONASS signals acquisition is researched in low signal to noise ratio circumstance.GLONASS signals and GPS signals are detected using a FFT-based fast acquisition algorithm and coherent integration with non-coherent integration acquisition algorithm.Finally,signal acquisition algorithm of double receiver is simulated using real sig... |
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| Keywords: | weak signal double mode sensitivity acquisition
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