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- W2021004746 abstract "The Kalman Rauch–Tung–Striebel (R–T–S) smoother has been applied to fuse data from the inertial navigation system (INS) and global positioning system (GPS) for post processing, but its optimality heavily depends on linearity. For the case of in-flight startup, the INS/GPS integration is a nonlinear system with large initial attitude errors, the linear estimation approaches become inapplicable. In this paper, the Unscented R–T–S Smoother (URTSS) is utilized to deal with the nonlinear problem in the INS/GPS integration post processing, and the performance of this algorithm is compared with a similar smoother based on Extended Kalman Filter (ERTSS) through the Monto Carlo simulations. Furthermore, an INS/GPS integration system is implemented using URTSS and applied to airborne digital camera imaging. Through numerical simulation and flight test, it is shown that URTSS has obvious accuracy advantage over ERTSS in attitude estimation." @default.
- W2021004746 created "2016-06-24" @default.
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- W2021004746 date "2013-04-01" @default.
- W2021004746 modified "2023-10-14" @default.
- W2021004746 title "Application of unscented R–T–S smoothing on INS/GPS integration system post processing for airborne earth observation" @default.
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- W2021004746 doi "https://doi.org/10.1016/j.measurement.2012.11.028" @default.
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