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- W4200272145 abstract "Global Positioning System measurements are widely used for both absolute and relative navigation of Low Earth Orbit satellites. Differential techniques based on single or double-differences of carrier-phase measurements have shown to achieve millimeter level accuracy in post-processing baseline reconstruction. For missions with large inter-satellite separations however, residual ionospheric delays may exist after the differentiation, so dual-frequency receivers are required in order to correct the remaining ionospheric delays. In this work, a real-time oriented processing scheme is presented. It is based on an Extended Kalman Filter of GPS dual-frequency carrier-phases to perform the relative navigation, complemented with a kinematic solution after a single-epoch ambiguity resolution step. Real data of the GRACE-FO mission is used in order to assess the performance of the system, showing a sub-decimeter accuracy when compared to the difference of post-processing Precise Orbit Determination solutions." @default.
- W4200272145 created "2021-12-31" @default.
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- W4200272145 date "2021-11-03" @default.
- W4200272145 modified "2023-10-08" @default.
- W4200272145 title "Real-time oriented GPS-based relative navigation for LEO satellites" @default.
- W4200272145 doi "https://doi.org/10.1109/rpic53795.2021.9648419" @default.
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