| GPS软件接收机跟踪环路设计 |
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| 引用本文： | 李豹,曹可劲,马建国. GPS软件接收机跟踪环路设计[J]. 国外电子元器件, 2010, 0(2): 4-6 |
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| 作者姓名： | 李豹 曹可劲 马建国 |
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| 作者单位： | 海军工程大学导航工程系; |
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| 基金项目： | 中国博士后科学基金资助项目(20090451535) |
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| 摘 要： | GPS软件接收机跟踪环路的设计在环路参数与鉴相器选择上有很大空间。在分析GPS跟踪原理的基础上．对比码环与载波环不同鉴相器的性能，然后在不同环路参数下对跟踪效果进行了仿真比较，最后选择一组鉴相器并设计合适的环路参数，对实际采集的GPS中频信号进行跟踪，跟踪结果验证了设计环路的有效性。
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| 关 键 词： | GPS 软件接收机 跟踪 二阶锁相环 |
Design of tracking loop of GPS software receiver |
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| LI Bao,CAO Ke-jin,MA Jian-guo. Design of tracking loop of GPS software receiver[J]. International Electronic Elements, 2010, 0(2): 4-6 |
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| Authors: | LI Bao CAO Ke-jin MA Jian-guo |
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| Affiliation: | Department of Navigation Engineering;Naval University of Engineering;Wuhan 430033;China |
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| Abstract: | There is wide choice for loop parameters and discriminator in designing tracking loop of GPS software receiver. At first,the performance of different discriminators in code and carrier loop are compared based on anlyzing the principle of GPS tracking.Then the tracking effects with different loop patameters are simulated and compared.At last,a couple of discriminators are selected and proper loop parameters are designed to track actual GPS intermediate frequency signal,and the tracking results validate the d... |
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| Keywords: | GPS software receiver tracking second order phase locked loop |
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