| GPS软件接收机中频信号源的设计与实现 |
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| 引用本文： | 于鉴桐,李刚. GPS软件接收机中频信号源的设计与实现[J]. 长沙通信职业技术学院学报, 2015, 0(4): 38-43. DOI: 10.3969/j.issn.2095-7661.2015.04.010 |
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| 作者姓名： | 于鉴桐 李刚 |
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| 作者单位： | 1. 湖南邮电职业技术学院,湖南长沙,410015;2. 湖南电信长沙分公司，湖南长沙 410015; 北京邮电大学，北京 100876 |
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| 基金项目： | 湖南邮电职业技术学院青年课题“室内定位技术在大型城市综合体中的应用研究”(2015CZ02)。 |
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| 摘 要： | 基于软件无线电的GPS接收机软件化的实现，以其可编程、易修改、模块化、对算法适应性强、可扩展性优等特点，成为近些年卫星导航领域的研究热点。文章就GPS信号的构成、调制方式、信号特性以及信号源设计进行了详细的阐述，在Matlab/Simulink平台上实现各参数可控的、满足各种实际条件的GPS信号源的建模与仿真，为GPS软件接收机算法研究等后续研究工作提供前提条件。
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| 关 键 词： | GPS软件接收机 中频信号源 仿真 |
Design and implementation of intermediate frequency signal source of GPS software receiver |
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| Abstract: | GPS Software Receiver based on software radio, which has many excellent features such as its programmability, easy modification, modularity, algorithm adaptability and scalability, has become a research hotspot in the field of satellite navigation recently. This paper introduces the components of GPS signals, modulation methods, signal features and signal source design. It achieves a GPS signal source with controllable parameters in Matlab/Simulink platform for modeling and simulation, using this source to test and verify the algorithm of acquisition and tracking. |
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| Keywords: | GPS software receiver IF signal source simulation |
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