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Numerical calculation and accuracy analysis of the highly oscillatory integral in the complete geodetic excitation solution of Earth's polar motion equation

Qiqi Shi Xueqing Xu Chengli Huang Yonghong Zhou Tianhou Feng Xinhao Liao

大地测量与地球动力学（英文版）2026，Vol.17Issue(5)：655-664,10.

大地测量与地球动力学（英文版）2026，Vol.17Issue(5)：655-664,10.DOI:10.1016/j.geog.2025.10.004

Numerical calculation and accuracy analysis of the highly oscillatory integral in the complete geodetic excitation solution of Earth's polar motion equation

Qiqi Shi ¹Xueqing Xu ¹Chengli Huang ¹Yonghong Zhou ¹Tianhou Feng ²Xinhao Liao³

作者信息

1. Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China||School of Astronomy and Space Science,University of Chinese Academy of Sciences,Beijing 100049,China
2. School of Digital Science,Shanghai Lida University,Shanghai 201609,China
3. Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China
折叠

摘要

关键词

Polar motion/Geodetic excitation/Liouville equation/Highly oscillatory integral/Filon-type method

Key words

Polar motion/Geodetic excitation/Liouville equation/Highly oscillatory integral/Filon-type method

引用本文复制引用

Qiqi Shi,Xueqing Xu,Chengli Huang,Yonghong Zhou,Tianhou Feng,Xinhao Liao..Numerical calculation and accuracy analysis of the highly oscillatory integral in the complete geodetic excitation solution of Earth's polar motion equation[J].大地测量与地球动力学（英文版）,2026,17(5):655-664,10.

基金项目

The authors are grateful to the IERS datacenter for the PM data series(https://datacenter.iers.org/eop.php).This research is sup-ported by the Astrometric Reference Frame project(Grant JZZX-0102),the National Natural Science Foundation of China(Grants 12173070,12473069,and 12233010),and the Natural Science Foundation of Shanghai(Grant 24ZR1476800). （https://datacenter.iers.org/eop.php）

大地测量与地球动力学（英文版）

ISSN：1674-9847

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