| GPS L1信号C/A码的高效并行软件相关器研究 |
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| 引用本文： | 刘银锋,陈小惠,李传君,刘晖.GPS L1信号C/A码的高效并行软件相关器研究[J].舰船电子工程,2010,30(7):84-86. |
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| 作者姓名： | 刘银锋 陈小惠 李传君 刘晖 |
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| 作者单位： | 南京邮电大学自动化学院,南京,210003 |
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| 基金项目： | 国家科技支撑计划项目 |
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| 摘 要： | 为了能快速、准确地跟踪所捕获到的卫星,在分析传统GPS软件接收机跟踪算法的基础上,采用了一种用于处理CDMA扩频信号的软件相关器高效并行算法,该算法主要针对耗时较多相关器进行优化。实际运行结果和性能分析表明了文章提出的优化算法优于直接浮点计算,将软件相关器的处理速度提高了约3倍。
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| 关 键 词： | GPS 相关器 软件接收机 实时性 |
Research on High-performance Parallel Correlator for C/A Code of GPS L1 Signal |
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| Liu Yinfeng,Chen Xiaohui,Li Chuanjun,Liu Hui.Research on High-performance Parallel Correlator for C/A Code of GPS L1 Signal[J].Ship Electronic Engineering,2010,30(7):84-86. |
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| Authors: | Liu Yinfeng Chen Xiaohui Li Chuanjun Liu Hui |
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| Institution: | Liu Yinfeng Chen Xiaohui Li Chuanjun Liu Hui(Nanjing University of Posts and Telecommunications,Nanjing 210003) |
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| Abstract: | In order to track the acquired satellite fast and accurately,with the simple analysis of correlator in traditional GPS software receiver,an efficient parallel algorithms for processing code-division multiple-access（CDMA） spread spectrum signals has been adoptd.The objective of the algorithms is optimizing the software correlators which are time consuming.The experimental results indicate that the optimization methods presented by this paper are approximately 3 times faster than straight floating-point operations. |
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| Keywords: | GPS |
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