DESIGN OF A DATA ACQUISITION SYSTEM BASED ON THE DECOMMUTATION OF AN EMBEDDED ASYNCHRONOUS DATA STREAM WITHOUT PRIMARY AND SECONDARY FRAME SYNCHRONIZATION
AffiliationSpace Technology Directorate
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AbstractThe use of embedded asynchronous data streams is becoming a popular means of expanding existing telemetry systems and acquiring subsystem data. In such systems, synchronization between the primary and secondary system(s) clocks is usually considered a prerequisite. The Phillips Laboratory has developed a software/hardware approach to the problem of decommutating an embedded asynchronous data stream without primary and secondary frame and clock synchronization. The methodology employed is easily implemented and adapted to many system configurations, and represents a low-cost option in the acquisition of subsystem data. More importantly, the use of such a system greatly reduces the amount of systems integration effort required to incorporate multiple subsystems into a host telemetry system.
SponsorsInternational Foundation for Telemetering