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7 Data Processing Level: Derive_SPD  

• 7.1 Overview
• 7.2 Ramp Processing
  • 7.2.1 Discarding destructive read-outs
  • 7.2.2 Discarding disturbed non-destructive read-outs
  • 7.2.3 Discarding data with OTF or OPF ``off''
  • 7.2.4 Sorting out the different data-types
  • 7.2.5 Conversion of digitized numbers to CRE output voltages
  • 7.2.6 Discarding saturated read-outs
  • 7.2.7 Correction for non-linearities of the integration ramps
  • 7.2.8 Ramp deglitching
  • 7.2.9 Extraction of the signals and their uncertainties
• 7.3 Signal Processing
  • 7.3.1 Reset interval correction
  • 7.3.2 Dark signal subtraction
  • 7.3.3 Determine chopper position and step number
  • 7.3.4 Signal deglitching
  • 7.3.5 Transient correction
  • 7.3.6 Averaging signals of same instrument set-up
  • 7.3.7 Obtaining the median of all photo-currents
  • 7.3.8 Correction for chopper vignetting
  • 7.3.9 Correction for chopped signal losses
  • 7.3.10 Ramp statistics in PHT SPD and Cal-A headers
• 7.4 In-band power calibration
  • 7.4.1 Determination in-band power from FCS
  • 7.4.2 Signal to in-band power conversion for P detectors
  • 7.4.3 Signal to-in band power conversion for C detectors
  • 7.4.4 In-band power for raster maps
  • 7.4.5 Default responsivities
  • 7.4.6 Dependencies on mission dates
• 7.5 Quality flags for SPD records