Formation of ephemeris and time corrections in the GLONASS system based on chronometration of pulsar radiation on a geostationary spacecraft
https://doi.org/10.34680/2076-8052.2021.4(125).91-96
Abstract
The issues of maintaining the quality indicators of the navigation field of the GLONASS system in the conditions of limited functioning of the ground control complex and the possibility of using spacecraft in geostationary orbit to refine the parameters of the movement of navigation spacecraft by means of inter-satellite radio lines and calculating ephemeris-time corrections are considered. The possibility of forming an independent time scale on board a geostationary spacecraft based on the timing of radiation from a group of neutron stars (pulsars) is analyzed. A model is proposed for the formation of high-precision ephemeris-time information in GLONASS GNSS based on on-board measurements when included in the orbital spacecraft in geostationary orbit. A variant of forming reference values of frequency and time on board a geostationary spacecraft is proposed based on the development of technology for receiving and processing pulsar radiation with compensation for the Doppler frequency shift that occurs when the HCA moves relative to the pulsar radio emission point, as well as synthesizing a group pulsar time scale.
About the Authors
V. M. Gusakov
Военно-космическая академия имени А.Ф.Можайского
Russian Federation
Russian Federation
T. O. Myslivtsev
Военно-космическая академия имени А.Ф.Можайского
Russian Federation
Russian Federation
V. N. Tsykunov
Военно-космическая академия имени А.Ф.Можайского
Russian Federation
Russian Federation
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For citations:
Gusakov V.M., Myslivtsev T.O., Tsykunov V.N. Formation of ephemeris and time corrections in the GLONASS system based on chronometration of pulsar radiation on a geostationary spacecraft. Title in english. 2021;(4(125)):91-96. (In Russ.) https://doi.org/10.34680/2076-8052.2021.4(125).91-96
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