This work involves the analysis of a communication system that uses the NASA Tracking and Data Relay Satellite/space Network (TDRSS/SN) to provide range safety and flight termination system support for expendable launch vehicles and the space shuttle. We examined the high-alphabet scheme for flight termination, and considered an analogous digital system. We also considered the bit-rate needed for a flight termination system using the TDRSS system based on the received signal-to-noise ratio, and link margin. We found that a TDRSS spread-spectrum communication system operating in the vicinity of 150 bits/second could satisfy the requirements for flight termination.


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    Title :

    Space-Based Encoded Telemetry for Range Safety


    Contributors:


    Publication date :

    2002-06-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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