大地测量与地球动力学2017，Vol.37Issue(11)：1161-1165,5.DOI:10.14075/j.jgg.2017.11.013
星间链路构型对自主导航精度的影响分析
Influence of Cross-Link Configuration to Auto-Navigation's Precision
摘要
Abstract
This paper has discussed the change of cross-links' numbers and PDOP values for the GEO,IGSO and MEO in the cases of different schemes by UHF signal and Ka signal aimed at the simulated constellation of BDS.Besides,some different cases of cross-link schemes have been designed.Using these simulated observations 60 days' auto-navigation has been performed.The influence of the crosslink ranging mode and the cross-link configuration to the precision of auto-navigation has been analyzed.The results indicate that the corss-link ranging mode will not affect the precision of auto-navigation.But the cross-link configuration will influence the precision of auto-navigation in the order of centimeter.Therefore,while designing the inter-satellite cross-link,navigation's precision,link's load and construction cost should be considered in order to achieve the best result.关键词
星间链路/自主导航/北斗系统/PDOP/波束角Key words
cross-link/auto-navigation/BDS/PDOP/beam angle分类
天文与地球科学引用本文复制引用
龚晓颖,徐韶光,冯威..星间链路构型对自主导航精度的影响分析[J].大地测量与地球动力学,2017,37(11):1161-1165,5.基金项目
National Nature Science Foundation of China,No.41504021,41374032 （）
National Key Research and Development Program of China,No.2016YFB0501900 （）
Fundamental Research Funds for the Central Universities,No.2682016CX086.国家自然科学基金(41504021,41374032) （41504021,41374032）
国家重点研发计划(2016YFB0501900) （2016YFB0501900）
中央高校基本科研业务费(2682016CX086). （2682016CX086）
