Title :
Unfolding JASON-2/ICARE-NG high energy particles measurements using a Singular Value Decomposition approach
Author :
Maget, V. ; Bourdarie, S. ; Lazaro, D. ; Boscher, D. ; Rolland, G. ; Ecoffet, R. ; Lorfevre, E.
Author_Institution :
ONERA - The French Aerosp. Lab., Toulouse, France
Abstract :
This paper presents an enhanced approach to extract as much as possible information from raw measurements of a given solid state detector. Here we focus on the benefits of a Singular Value Decomposition approach applied to the special case of the CNES - JASON 2 mission. It allows us to now obtain refined differential fluxes (instead of only coarse integral and differential ones) and extends their resolution for both protons (40MeV-500MeV) and electrons (825 keV-8 MeV). Finally, thanks to the combination of all the information embedded into the different response functions of the ICARE-NG instrument, we are now able to: (1) estimate the uncertainty of our measurements, and (2) automatically filter contamination from both proton and electron in restored fluxes channels.
Keywords :
sensors; singular value decomposition; space vehicle electronics; ICARE-NG instrument; differential fluxes; electron volt energy 825 MeV to 8 MeV; filter contamination; restored fluxes channels; singular value decomposition approach; solid state detector; unfolding JASON-2-ICARE-NG high energy particles measurements; Detectors; Extraterrestrial measurements; Pollution measurement; Protons; Radio frequency; Sensitivity; Vectors; SVD; particle measurements; radiation belts; radiation detectors; unfolding;
Conference_Titel :
Radiation and Its Effects on Components and Systems (RADECS), 2013 14th European Conference on
Conference_Location :
Oxford
DOI :
10.1109/RADECS.2013.6937422