EChO payload electronics architecture and SW design

EChO is a three-modules (VNIR, SWIR, MWIR), highly integrated spectrometer, covering the wavelength range from 0.55 μ m to 11.0 μ m . The baseline design includes the goal wavelength extension to 0.4 μ m while an optional LWIR module extends the range to the goal wavelength of 16.0 μ m . An Instrume...

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Bibliographic Details
Published in:Experimental astronomy 2015-12, Vol.40 (2-3), p.813-839
Main Authors: Focardi, M., Di Giorgio, A. M., Farina, M., Pancrazzi, M., Ottensamer, R., Lim, T. L., Pezzuto, S., Micela, G., Pace, E.
Format: Article
Language:English
Subjects:
Astronomical instruments
Astronomy
Chemistry and Earth Sciences
Computer Science
Control equipment
Electronics
Modules
Observations and Techniques
Original Article
Payloads
Physics
Physics and Astronomy
Spacecraft
Spectrometers
Statistics for Engineering
Wavelengths
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Summary:EChO is a three-modules (VNIR, SWIR, MWIR), highly integrated spectrometer, covering the wavelength range from 0.55 μ m to 11.0 μ m . The baseline design includes the goal wavelength extension to 0.4 μ m while an optional LWIR module extends the range to the goal wavelength of 16.0 μ m . An Instrument Control Unit (ICU) is foreseen as the main electronic subsystem interfacing the spacecraft and collecting data from all the payload spectrometers modules. ICU is in charge of two main tasks: the overall payload control ( Instrument Control Function ) and the housekeepings and scientific data digital processing ( Data Processing Function ), including the lossless compression prior to store the science data to the Solid State Mass Memory of the Spacecraft. These two main tasks are accomplished thanks to the Payload On Board Software (P-OBSW) running on the ICU CPUs.
ISSN:0922-6435
1572-9508
DOI:10.1007/s10686-014-9384-3