Results 1 to 10 of about 14,054 (271)

Polar motion prediction using the combination of SSA and Copula-based analysis [PDF]

Earth, Planets and Space, 2018
The real-time estimation of polar motion (PM) is needed for the navigation of Earth satellite and interplanetary spacecraft. However, it is impossible to have real-time information due to the complexity of the measurement model and data processing ...
Sadegh Modiri, Santiago Belda, Robert Heinkelmann, Mostafa Hoseini, José M. Ferrándiz, Harald Schuh   +5 more
doaj   +12 more sources

Prospects of Predicting the Polar Motion Based on the Results of the Second Earth Orientation Parameters Prediction Comparison Campaign [PDF]

Earth and Space Science
Growing interest in Earth Orientation Parameters (EOP) resulted in various approaches to the EOP prediction algorithms, as well as in the exploitation of distinct input data, including the observed EOP values from various operational data centers and ...
Tomasz Kur, Justyna Śliwińska‐Bronowicz, Malgorzata Wińska, Henryk Dobslaw, Jolanta Nastula, Aleksander Partyka, Santiago Belda, Christian Bizouard, Dale Boggs, Sara Bruni, Lue Chen, Mike Chin, Sujata Dhar, Robert Dill, PengShuo Duan, Jose M. Ferrandiz, Junyang Gou, Richard Gross, Sonia Guessoum, Songtao Han, Robert Heinkelmann, ChengLi Huang, Christopher Irrgang, Jacek Kudrys, Jia Li, Marcin Ligas, Lintao Liu, Weitao Lu, Volker Mayer, Wei Miao, Maciej Michalczak, Sadegh Modiri, Michiel Otten, Todd Ratcliff, Shrishail Raut, Jan Saynisch‐Wagner, Matthias Schartner, Erik Schoenemann, Harald Schuh, M. Kiani Shahvandi, Benedikt Soja, Xiaoqing Su, Daniela Thaller, Maik Thomas, Guocheng Wang, Yuanwei Wu, CanCan Xu, Xueqing Xu, Xinyu Yang, Xin Zhao, Zhijin Zhou   +50 more
doaj   +10 more sources

A new polar motion prediction method combined with the difference between polar motion series

Geodesy and Geodynamics, 2022
After the first Earth Orientation Parameters Prediction Comparison Campaign (1st EOP PCC), the traditional method using least-squares extrapolation and autoregressive (LS + AR) models was considered as one of the polar motion prediction methods with ...
Leyang Wang, Wei Miao, Fei Wu
doaj   +4 more sources

Prediction of Earth polar motion in short time interval [PDF]

MATEC Web of Conferences, 2022
The accuracy characteristics of mathematical models of the Earth pole motion in a short time intervals have been investigated. The modeling was carried out using two approaches: a numerical-analytical model of the Earth’s rotational motion relative to ...
Anosova Natalia, Filippova Alexandra, Krylov Sergej, Perepelkin Vadim   +3 more
doaj   +3 more sources

Polar motion prediction using the combination of SSA and ARMA

Geodesy and Geodynamics, 2023
High-precision polar motion (PM) prediction is of important significance in astronomy, geodesy, aviation, hydrographic mapping, interstellar navigation, and so on.
Qiaoli Kong, Jingwei Han, Xin Jin, Changsong Li, Tianfa Wang, Qi Bai, Yanfei Chen   +6 more
doaj   +4 more sources

Estimation of Earth Rotation Parameters and Prediction of Polar Motion Using Hybrid CNN–LSTM Model

Remote Sensing, 2023
The Earth rotation parameters (ERPs), including polar motion (PMX and PMY) and universal time (UT1-UTC), play a central role in functions such as monitoring the Earth’s rotation and high-precision navigation and positioning.
Kehao Yu, Kai Yang, Tonghui Shen, Lihua Li, Haowei Shi, Xu Song   +5 more
doaj   +3 more sources

The numerical prediction of the Earth’s polar motion based on an advanced multivariate algorithm [PDF]

Frontiers in Astronomy and Space Sciences, 2023
Since there are complicated changes in the polar motion (PM) from sub-annual to decadal, precisely predicting it is challenging. Here, we provide an advanced multivariate algorithm by combining an iterative oblique singular spectrum analysis (IOSSA) with
Kunpeng Shi, Hao Ding, Tao Chen, Chuanyi Zou   +3 more
doaj   +3 more sources

Research on Polar Motion Prediction Based on Radial Basis Function Neural Network Interpolation

Earth and Space Science
Accurate prediction of polar motion are crucial for various scientific fields, including astronomy, geoscience, and oceanography. The temporal resolution of the modeling data currently utilized in polar motion prediction research is 1 day.
Fei Wu, Zefeng Yan, Leyang Wang, Xinbo Li   +3 more
doaj   +3 more sources

Polar Motion Ultra-Short-Term Prediction of Least-Squares+Multivariate Autoregressive Hybrid Method by Using the Kalman Filter

Sensors
The polar motion (PM, including two parameters PMx and PMy) ultra-short-term prediction (1–10 days) is demanded in the real-time navigation of satellites and spacecrafts.
Zhirong Tan, Fei Ye, Liangchun Hua
doaj   +4 more sources

Precise prediction of polar motion using sliding multilayer perceptron method combining singular spectrum analysis and autoregressive moving average model

Earth, Planets and Space, 2023
The precise prediction of polar motion parameters is needed for the astrogeodynamics, navigation and positioning of the deep space probe. However, the current prediction methods are limited to predicting polar motion for specific periods, either short ...
Kezhi Wu, Xin Liu, Xin Jin, Xiaotao Chang, Heping Sun, Jinyun Guo   +5 more
doaj   +2 more sources