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Satellite commanding system and method using remotely controlled modulation of satellite on-board telemetry parameters
Satellite commanding system and method using remotely controlled modulation of satellite on-board telemetry parameters
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机译:使用卫星机载遥测参数的遥控调制的卫星指挥系统和方法
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摘要
A satellite command system (10) and method that provides satellite commanding using remotely-controlled modulation of telemetry parameters on-board a satellite (30). Software is provided on each of the redundant processor units (15a,15b) that creates separate DMA command input pathways (19a,19b) to the redundant processor units. A command translator (32) is used at a ground station (31) to translate a command that is to be implemented on the satellite into a form ready for modulation. The command information is uplinked to the satellite by remotely manipulating (modulating) a quantity that can be measured by the on-board computer using its telemetry collection functions. The software implemented in processor units recognizes the modulation and processes it to reconstruct the command. The reconstructed command is passed to the processor unit, which then executes the command.
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