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| GPS不完整星座定位方法研究 | |
| 引用本文： | 滕云龙,师奕兵,郑植.GPS不完整星座定位方法研究[J].宇航学报,2011,32(1). |
| 作者姓名： | 滕云龙 师奕兵 郑植 |
| 作者单位： | 1. 电子科技大学电子科学技术研究院,成都,610054;电子科技大学自动化工程学院,成都,610054 2. 电子科技大学自动化工程学院,成都,610054 3. 电子科技大学电子科学技术研究院,成都,610054 |
| 基金项目： | 国家高技术研究发展计划，教育部新世纪人才支持计划 |
| 摘 要： | 为了提高钟差预测模型辅助接收机定位解算的效果,从灰色系统的角度对接收机钟差序列进行探讨,提出了基于灰色理论的钟差预测模型.文中首先给出了新模型的基本思想和具体实现步骤,然后将基于该模型的钟差预测值引入到GPS接收机中,辅助接收机在不完整星座条件下实现定位解算.基于GPS实测数据的验证分析表明,新模型不仅对钟差序列具有很好的预测效果;而且提高了接收机定位的连续性和可靠性,在仅有3颗卫星的条件下可以实现三维定位.同时,新方法无需增加额外设备,辅助方式简单方便,经济灵活. |
| 关 键 词： | 不完整星座 接收机钟差 灰色理论 预测 定位 |
Research on Positioning Method under GPS Incomplete Constellation |
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| TENG Yun-long,SHI Yi-bing,ZHENG Zhi.Research on Positioning Method under GPS Incomplete Constellation[J].Journal of Astronautics,2011,32(1). | |
| Authors: | TENG Yun-long SHI Yi-bing ZHENG Zhi |
| Institution: | TENG Yun-long1,2,SHI Yi-bing2,ZHENG Zhi1(1.Research Institute of Electronic Science and Technology,University of Electronic Science and Technology of China,Chengdu 610054,China,2.School of Automation Engineering,China) |
| Abstract: | In order to augment the performance of GPS receiver positioning calculation aided by clock bias prediction model,a new model for predicting receiver clock bias based on grey theory is presented in this paper.The basic ideas and steps of the forecasting model are discussed respectively.And then this model is introduced to aid the GPS receiver to calculate its position under the incomplete constellation.The validation and analysis based on the real GPS data show that this model not only has better predictive ... |
| Keywords: | Incomplete constellation Receiver clock bias Grey theory Forecasting Positioning |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |