应用虚拟基准站(VRS)技术提高测控系统精度 |
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作者姓名: | 赵军祥 常青 张其善 |
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作者单位: | 北京跟踪与通信技术研究所 北京100094
(赵军祥),北京航空航天大学电子工程系 北京100083
(常青),北京航空航天大学电子工程系 北京100083(张其善) |
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基金项目: | 国家自然科学基金资助项目 (批准号 :60 0 2 70 0 1 ) |
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摘 要: | 虚拟基准站 VRS( Virtual Reference Stations)技术是国外近年发展起来的一项新的 GPS差分技术 ,它综合利用多个基准站的测量信息 ,经过精确的误差修正 ,产生一随用户运动的基准站。始终与用户构成短基线差分 ,该技术有效提高了 GPS差分定位的精度 ,并具有获得高精度解的可靠性。文中分析虚拟基准站的原理与关键技术 ,提供部分试验结果 ,对测控系统利用 VRS技术的可行性进行了探讨
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关 键 词: | 全球定位系统 虚拟基准站 差分 测控系统 |
Improving the Measurement Accuracy of TT&C Systems Using Virtual Reference Stations |
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Authors: | Zhao Junxiang Chang Qing Zhang Qishan |
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Institution: | Zhao Junxiang Chang Qing Zhang Qishan |
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Abstract: | The VRS(Virtual Reference Stations)is a new differential GPS technology developed in recent years.It synthesizes the informations of multiple reference stations and stringently corrects errors,and then creates a reference station data that simulates a reference station near by the positioned receiver.This virtual reference station will provide a short baseline performance to the user,so it can effectively improve the differential GPS positioning accuracy and the reliability of high-precision solutions.The VRS principles with its key techniques are analyzed in this paper.Some test results are also provided.The engineering feasibility of VRS in TT&C (Tracking Telemetry and Telecommunications systems)is discussed. |
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Keywords: | GPS VRS Difference TT&C |
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