{"title":"Determination of the Parameters of the Gravitational Field of the Earth by Gradiometric Measurements in the Earth’s Geocentric Coordinate System","authors":"A. A. Kluykov","doi":"10.1134/S1063772924700458","DOIUrl":null,"url":null,"abstract":"<p>The article presents the results of determining the parameters of the Earth’s gravitational field by gradiometric measurements in the geocentric terrestrial coordinate system. The calculations were performed using the regularization method, according to which a regularization matrix multiplied by the regularization parameter is added to the matrix of normal equations. As a result of calculations for various regularization parameters, corrections to harmonic coefficients of degree and order were obtained 200 and 201, presented in the article in the form of graphs. Based on the obtained corrections, the power-law dispersions presented in Tables 1 and 2 were calculated.</p>","PeriodicalId":55440,"journal":{"name":"Astronomy Reports","volume":"68 5","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Astronomy Reports","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1134/S1063772924700458","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ASTRONOMY & ASTROPHYSICS","Score":null,"Total":0}
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Abstract
The article presents the results of determining the parameters of the Earth’s gravitational field by gradiometric measurements in the geocentric terrestrial coordinate system. The calculations were performed using the regularization method, according to which a regularization matrix multiplied by the regularization parameter is added to the matrix of normal equations. As a result of calculations for various regularization parameters, corrections to harmonic coefficients of degree and order were obtained 200 and 201, presented in the article in the form of graphs. Based on the obtained corrections, the power-law dispersions presented in Tables 1 and 2 were calculated.
期刊介绍：
Astronomy Reports is an international peer reviewed journal that publishes original papers on astronomical topics, including theoretical and observational astrophysics, physics of the Sun, planetary astrophysics, radio astronomy, stellar astronomy, celestial mechanics, and astronomy methods and instrumentation.
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