Results 111 to 120 of about 5,641 (197)
Local gravity network as a reference station for the IGRF
, 2019 The newly created International Gravity Reference Frame (IGRF) will heavily rely on widely distributed reference stations. It is required that at any time of the year the instantaneous value of gravity will be available at such reference stations.
Ilya, Oshchepkov, Sermyagin Roman
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Dizhen xuebao首先，基于第十三代国际地磁参考场（IGRF-13），以五年为时间间隔，对中国地区2000—2020年地磁场七个要素（X，Y，Z，H，D，I和F）的长期变化进行了系统的分析与探讨；其次，利用中国地磁台站的实际观测数据，研究了此期间地磁场逐年变化的特点，并以五年为间隔，探讨了1960—2020年中国地区内地磁场的变化模式；最后，通过分析IGRF-13和世界地磁模型WMM2020的计算结果与实际观测值之间的差值和均方根误差，深入探究了这些模型在中国地区的适用性差异。研究结果表明：2000—2020年间 ...
Xiuling Zhang, Tongli Wang
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Geomagnetic cutoff rigidity in neutron monitor locations
Solar-Terrestrial PhysicsNeutron monitors (NMs), located at different points on the planet, allow us to study the time, energy, and angular characteristics of galactic and solar particle fluxes.
Kruchinin Pavel +4 more
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The joint US/UK 1990 epoch world magnetic model [PDF]
A detailed summary of the data used, analyses performed, modeling techniques employed, and results obtained in the course of the 1990 Epoch World Magnetic Modeling effort are given. Also, use and limitations of the GEOMAG algorithm are presented.
Coleman, Rachel J. +3 more
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Earth, Planets and SpaceThis study proposes a neural network approach for predicting the geomagnetic secular variation (SV) to improve the accuracy and efficiency of short-term geomagnetic forecasts. The International Geomagnetic Reference Field (IGRF), updated every five years,
Sho Sato +5 more
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In-flight determination of spacecraft magnetic bias independent of attitude [PDF]
A simple algorithm for the in-flight determination of the magnetic bias of a spacecraft is presented. The algorithm, developed for use during the Hubble Space Telescope mission, determines this bias independently of any attitude estimates and requires no
Davenport, P. B. +2 more
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Projects SOLRAD and TIMATION: Space radiation exposure [PDF]
The charged particle fluxes to be encountered by spacecraft in circular orbits with inclinations of 125 and 65 degrees, and altitudes of 13890 and 11111 kilometers, respectively were investigated.
Stassinopoulos, E. G.
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Potential utility of future satellite magnetic field data [PDF]
The requirements for a program of geomagnetic field studies are examined which will satisfy a wide range of user needs in the interim period between now and the time at which data from the Geopotential Research Mission (GRM) becomes available, and the ...
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Climatological predictions of the auroral zone locations driven by moderate and severe space weather events. [PDF]
Sci Rep, 2023 Maffei S +6 more
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Equivalent source modeling of the main field using MAGSAT data [PDF]
An iterative least squares estimation algorithm with the capability for including a priori statistical information was implemented to recover multiple magnetic dipole models of the Earth's main magnetic field.
Estes, R. H., Mayhew, M. A.
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