NASA NTRS · 20000033139
Design and Performance of the Astro-E/XRS Signal Processing System
Abstract
We describe the signal processing system of the Astro-E XRS instrument. The Calorimeter Analog Processor (CAP) provides bias and power for the detectors and amplifies the detector signals by a factor of 20,000. The Calorimeter Digital Processor (CDP) performs the digital processing of the calorimeter signals, detecting X-ray pulses and analyzing them by optimal filtering. We describe the operation of pulse detection, Pulse height analysis. and risetime determination. We also discuss performance, including the three event grades (hi-res mid-res, and low-res). anticoincidence detection, counting rate dependence, and noise rejection.
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Boyce, Kevin R., Audley, M. D., Baker, R. G., Dumonthier, J. J., Fujimoto, R., Gendreau, K. C., Ishisaki, Y., Kelley, R. L., Stahle, C. K., Szymkowiak, A. E.. 1999-01-01. Design and Performance of the Astro-E/XRS Signal Processing System. https://ntrs.nasa.gov/citations/20000033139
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