| 基于FFT的GPS接收机伪码捕获算法研究 |
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| 引用本文： | 董渊文,官洪运,胡辉,储新惠. 基于FFT的GPS接收机伪码捕获算法研究[J]. 哈尔滨理工大学学报, 2007, 12(2): 1-3 |
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| 作者姓名： | 董渊文 官洪运 胡辉 储新惠 |
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| 作者单位： | 东华大学,信息学院,上海,200233 |
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| 摘 要： | 分析了导航GPS接收机扩频接收算法对伪码捕获法的要求．针对最大似然估计串行二维码捕获法在GPS接收算法应用中的缺点,提出基于FFT算法的GPS伪码捕获方案,给出了详细的捕获算法流程,并结合仿真结果对其进行了详尽的分析,该方案对GPS快速码捕获算法的研究提供了新思路．
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| 关 键 词： | CPS FFT捕获法 码捕获 最大似然估计 |
| 文章编号： | 1007-2683（2007）02-0001-03 |
| 修稿时间： | 2006-03-29 |
A FFT-based Code Acquisition Algorithm in Despread-spectrum Algorithm of GPS Receiver |
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| DONG Yuan-wen,GUAN Hong-yun,HU Hui,CHU Xin-hui. A FFT-based Code Acquisition Algorithm in Despread-spectrum Algorithm of GPS Receiver[J]. Journal of Harbin University of Science and Technology, 2007, 12(2): 1-3 |
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| Authors: | DONG Yuan-wen GUAN Hong-yun HU Hui CHU Xin-hui |
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| Affiliation: | Information College, Huadong University, Shanghai 200233, China |
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| Abstract: | The request of PN code acquision for the despread algorithm of navigation GPS receiver is analyzed and to overcome the shortcomings of MLE algorithm and the FIT-based GPS PN code acquisition algonithm.The details of acquisition procedure are given and analyzed with the help of the somulation result,providing new thought for the research of fast GPS code acquisition. |
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| Keywords: | GPS FFT acquisition algorithm PN code acquisition MLE algorithm |
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