Non-Linearity

 

The goal of this monitoring algorithm is to reveal if the performance of the non-linearity algorithm degrades over time. The performance of the non-linearity algorithm will be analyzed using eclipse measurements performed in diagnostic mode. These measurements are performed with combinations of 14 different exposure times and two different LED’s, each at 10 different light levels (see the tables below). It takes 20 orbits to collect a complete set of all different combinations. The data will be calibrated including the non-linearity correction then their response should be linear.

MPS ID Mode Texp [ms] Co-additions Repetitions
46 Science 60 5 28
47 Science 64 5 28
132 Diagnostic 0.4 32 4
133 Diagnostic 0.8 32 4
135 Diagnostic 2 32 4
136 Diagnostic 3.2 32 4
137 Diagnostic 16 32 4
142 Diagnostic 32 32 4
153 Diagnostic 49.2 32 4
162 Diagnostic 60 32 4
163 Diagnostic 64 32 4
165 Diagnostic 100 32 4
168 Diagnostic 150 32 4
173 Diagnostic 250 32 4
175 Diagnostic 400 32 4
177 Diagnostic 600 32 4
Level 0 2500 4000 10000 16000 24000 33000 44000 55000 65000
Current 0 6.06 9.696 24.24 38.784 58.176 79.992 106.656 133.32 157.56

About

SPEXone is being developed by a Dutch consortium consisting of SRON Netherlands Institute for Space Research (SRON) and Airbus Defence and Space Netherlands (Airbus DS NL), supported by optical expertise from the Netherlands Organisation for Applied Scientific Research (TNO). SRON and Airbus DS NL are responsible for the design, manufacturing and testing of the instrument. The scientific lead is in the hands of SRON. SPEXone is a public-private initiative funded by the Netherlands Space Office (NSO), the Netherlands Organization of Scientific Research (NWO), SRON, and Airbus DS NL.

Other websites on SPEXone and PACE:

 

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