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Applications of massively parallel computers in telemetry processing

Tarek A. El-Ghazawi, Jim Pritchard, Gordon Knoble

Abstract

Telemetry processing refers to the reconstruction of full resolution raw instrumentation data with artifacts, of space and ground recording and transmission, removed. Being the first processing phase of satellite data, this process is also referred to as level-zero processing. This study is aimed at investigating the use of massively parallel computing technology in providing level-zero processing to spaceflights that adhere to the recommendations of the Consultative Committee on Space Data Systems (CCSDS). The workload characteristics, of level-zero processing, are used to identify processing requirements in high-performance computing systems. An example of level-zero functions on a SIMD MPP, such as the MasPar, is discussed. The requirements in this paper are based in part on the Earth Observing System (EOS) Data and Operation System (EDOS).

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Key concepts: Massively parallel, Data processing, Computer science, Data processing system, Parallel processing, Instrumentation (computer programming), Data transmission, Process (computing)