FIELD: aircraft engineering.
SUBSTANCE: coordinates of a signal source are assessed and compared with the ground control complex coordinates stored in onboard memory. In case of good coincidence of coordinates the decision on legitimacy of a signal source is made. And in case of deviation of coordinates the commends received from an illegitimate signal source are blocked. therefore, the problem of protection of the command line of the spacecraft and, in particular, an exception of unauthorised access of illegitimate users to command-and-measurement system of the spacecraft is solved.
EFFECT: possibility of blocking of commands received from a illegitimate user including the protection against unauthorised intervention in operation of command-and-measurement system of a spacecraft.
1 dwg
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