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Issue:
Research on Configuration of Tri-Satellites and Location Precision of TDOA
Author(s):
LI Wenhua
Pages:
701
-
706
Year:
2010
Issue:
3
Journal:
Journal of Astronautics
Keyword:
Tri-satellites geo-location using TDOA
;
Latitude and longitude
;
RMSE
;
Configuration
;
Satellite formulation
;
Abstract:
三星时差定位是星载高精度无源定位的重要形式,需要深入研究三星编队构型设计来改善其高精度定位性能.从三星时差定位原理出发,推导了地理经纬度位置下的误差分析模型,提出了基于最小定位误差均方差下的最佳构型数学表达式,并分析了不同构型对误差均方差的敏感程度;讨论了在三星编队飞行中进行构型设计与保持的问题,并根据定位误差周期稳定性和一致性设计要求,基于轨道相对动力学方程,提出了一种卫星编队的设计;通过仿真研...
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