Difference between revisions of "Joint Plenary for Forecasting/Reference Design"

From CMB-S4 wiki
Jump to navigationJump to search
Line 5: Line 5:
 
* What plans for instrument systematics modeling on the decadal timescale and beyond? What instrument parameters values should we use, guided by simulations & experience?
 
* What plans for instrument systematics modeling on the decadal timescale and beyond? What instrument parameters values should we use, guided by simulations & experience?
 
** Complementary performance-based and ab initio forecasting
 
** Complementary performance-based and ab initio forecasting
*** Write down specs for eg. bandwidth, NET, etc, justified by demonstrated performance
+
** Write down specs for eg. bandwidth, NET, etc, justified by demonstrated performance
*** Need single reference document for all of these (wiki page?)
+
** Need single reference document for all of these (wiki page?)
*** Cascade diagram progressively decomposing each element
+
** Cascade diagram progressively decomposing each element
*** For many boxes there are uncontroversial numbers that can be used as the starting point
+
** For many boxes there are uncontroversial numbers that can be used as the starting point
*** On which parameters do we need to do better than S3 to achieve our goals?
+
** On which parameters do we need to do better than S3 to achieve our goals?
 +
*** CDT framework provides maxima for eg. additive contamination
 +
**** see CDT report appendix A, wiki links & forecasting paper in progress
 +
*** Track propagation of systematic from source to power spectra to identify scaling with eg. number of detectors
 +
*** What's going to be hard?
 +
**** Beams, beams, beams
 +
**** Cross-talk
 +
**** Bandpass mismatch
 +
**** Polarization calibration
 +
**** Readout electronics stability

Revision as of 08:28, 7 March 2018

Notes

Questions:

  • What plans for instrument systematics modeling on the decadal timescale and beyond? What instrument parameters values should we use, guided by simulations & experience?
    • Complementary performance-based and ab initio forecasting
    • Write down specs for eg. bandwidth, NET, etc, justified by demonstrated performance
    • Need single reference document for all of these (wiki page?)
    • Cascade diagram progressively decomposing each element
    • For many boxes there are uncontroversial numbers that can be used as the starting point
    • On which parameters do we need to do better than S3 to achieve our goals?
      • CDT framework provides maxima for eg. additive contamination
        • see CDT report appendix A, wiki links & forecasting paper in progress
      • Track propagation of systematic from source to power spectra to identify scaling with eg. number of detectors
      • What's going to be hard?
        • Beams, beams, beams
        • Cross-talk
        • Bandpass mismatch
        • Polarization calibration
        • Readout electronics stability