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KIAM Preprint  21, Moscow, 2017
Authors: Sazonov V. V., Huber F., Belyaev M.Yu., Volkov O.N., Dunaeva I.V.
Results of space experiment Dalnost
We describe processing the non-interrogative measurements of the radial velocity and alteration of the slant range of International Space Station. The measurements were carried out by German equipment GTS2 in the context of the Russian-German experiment Dalnost. We planned the experiment assuming the accuracy of measured alterations of the range equaled 1 m. Then the use of two ground-based receivers of GTS2 signals in Stuttgart and Moscow and processing two adjacent measurement sessions (on the same quarter of an orbit revolution) would appreciably decrease standard deviations of a priori estimation of the station phase vector. The joint processing of four and more measurement sessions carried out during a half of a day would provide the estimation of the phase vector with standard deviations of a few meters on coordinates and a few mm/s on velocity components. Real accuracy of measurements of alterations of the range was a little less than 100 m, real accuracy of measurements of radial velocity was about 20 m/s. The large errors were explained by defects in GTS2 operation. The equipment GTS2 was turned off in July 2014 and the experiment Dalnost was stopped.
slant range, radial velocity, non-interrogative measurements, International Space Station, equipment GTS2, orbital motion
Publication language: russian,  pages: 43
Research direction:
Theoretical and applied problems of mechanics
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About authors:
  • Sazonov Victor Vasilyevich, RAS
  • Huber Felix,  Steinbeis Transfer-zentrum Raumfahrt
  • Belyaev Mikhail Yurjevich, 
  • Volkov Oleg Nikolaevich, 
  • Dunaeva Irina Valentinovna,