The space-time correlation of absolute errors in determination of coordinates of SRNS users in various geophysical conditions

被引：0

作者：

Dem'yanov V.V. ^{[1
]}

Gamayunov I.F. ^{[1
]}

Afraimovich E.L. ^{[1
]}

Alyoshechkin A.M. ^{[1
]}

机构：

[1] Irkutsk Aircraft Engineering Institute, Irkutsk

来源：

Radioelectronics and Communications Systems | 2007年 / 50卷 / 5期

关键词：

Magnetic Storm; Geomagnetic Disturbance; Correlation Radius; Calm Condition; Ionospheric Scintillation;

D O I：

10.3103/S0735272707050044

中图分类号：

学科分类号：

摘要：

The paper presents results of experimental estimation of space-time correlation radii of absolute errors in determination of rectangular geocentric coordinates of users of satellite radio-navigation systems under various geophysical conditions. During magnetic storms, the radius of spatial correlation of errors of coordinates' determination decreases roughly by a factor of 1.3 against the calm (non-perturbed) conditions. The radius of time correlation of errors under calm conditions is roughly 1.5 times larger than in the periods of geomagnetic disturbance. The paper illustrates a possibility for implementation of wide-area augmentation systems of satellite navigation based on the already existing worldwide network of GPS stations. © Allerton Press, Inc. 2007.

引用

页码：253 / 263

页数：10

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