FIELD: physics.
SUBSTANCE: invention relates to radio engineering and more specifically to command and measurement systems of spacecraft. Non-simultaneous transmission of command and range-finding signals along one and the same communication channel is provided to reduce the bandwidth with respect to the prototype at least twice. Range-finding signal is emitted in time intervals when instructions are not transmitted. At the moment of command transmission, range measurement is stopped, this does not affect measurement accuracy, since change of range to spacecraft is very slow function. In general, this increases noise immunity of command and range signal transmission lines within the framework of the proposed technical solution.
EFFECT: technical result consists in improvement of noise immunity of command and range signal transmission lines in control of spacecraft located on geostationary orbit.
1 cl, 1 dwg
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