Abstract
Real-time performance is also one of the important indexes to measure its performance besides requirements for navigation precision during the engineering application of the integrated navigation method of ship inertial navigation system (SINS), celestial navigation system (CNS), and global navigation satellite system (GNSS). During the improvement of the SINS/CNS/GNSS integrated navigation system performance, on one hand, navigation precision may be improved greatly by making the best of all and through collaborative transcendence due to the diversity of observation means, but system dimension and measurement dimension of the system will be increased simultaneously, which will then increase the amount of filtering computation. On the other hand, it is sometimes required to design several filters since observation information of a navigation subsystem is nonsynchronous, and the output frequency is inconsistent, which further increases the difficulty of navigation computer data processing[1–2].
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Quan, W., Gong, X., Fang, J., Li, J. (2015). Study for Real-Time Ability of INS/CNS/GNSS Integrated Navigation Method. In: INS/CNS/GNSS Integrated Navigation Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45159-5_9
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DOI: https://doi.org/10.1007/978-3-662-45159-5_9
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