The high-accuracy ionosphere correcting algorithm for GNSS signals based on kalman filter

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概要

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• A filter-based algorithm for estimating the ionosphere error of the GNSS signals in the differential system is proposed in the paper. Based on the slow-varying characteristic of the ionosphere delay, the historical ionosphere delay data is involved in the algorithm. The measurement model is constructed according to the Grid Interpolation Model (GIM).The relevant analysis is conducted by the simulation and the corresponding results indicated that comparing with the traditional method, at least 60% promotion on the accuracy has been accomplished so that the algorithm in this paper can provide a more accurate estimation of the ionosphere error for GNSS signals.

著者

• Zhang Dong

  Beijing University of Aeronautics and Astronautics

• Huang Zhigang

  Beijing University of Aeronautics and Astronautics

• Gao Shuliang

  Beijing University of Aeronautics and Astronautics

• Hong Sheng

  Beijing University of Aeronautics and Astronautics

• Gao Cheng

  Beijing University of Aeronautics and Astronautics

• Wang Hailiang

  Beijing University of Aeronautics and Astronautics

関連論文

• The high-accuracy ionosphere correcting algorithm for GNSS signals based on kalman filter

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