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Unfolding and validation of SREM fluxes I. Sandberg, I. A. Daglis, A. Anastasiadis, P. Buhler, P. Nieminen, and H. Evans
 

Summary: 2
Unfolding and validation of SREM fluxes
I. Sandberg, I. A. Daglis, A. Anastasiadis, P. Bšuhler, P. Nieminen, and H. Evans
Abstract--The Standard Radiation Environment Monitor
(SREM) belongs to a second generation of instruments in a
program established by the European Research and Technology
Centre of the European Space Agency (ESA) to provide minimum
intrusive particle radiation detectors on ESA spacecraft for
space weather applications, which are also suitable for scientific
investigations.
SREM detects high-energy electrons and protons and bins the
measurements in fifteen counters characterized by overlapping
energy bands, resulting in the appearance of strong correlation
and contamination effects among the binned count-rates.
In this work a novel method to unfold measurements of SREM,
i.e. to convert SREM counts to fluxes, is presented. The method
is based on the derivation of multiple solutions of the inverse
problem over various proton and electron energy ranges using the
powerful technique of the Singular Value Decomposition (SVD).
Results and validation studies for measurements of Solar

  

Source: Anastasiadis, Anastasios - Institute for Space Applications and Remote Sensing, National Observatory of Athens

 

Collections: Physics