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X-Pipeline Review Meeting Monday 13 Oct 2008 09:00 Pacific / 12:00 Eastern

Agenda: Monday 13 Oct 2008 09:00 Pacific / 12:00 Eastern

  1. Code review: At line 426 of xtimefrequencymap. (Currently reviewing antennaPatterns, which is called at this point.)

Minutes:

Attendance: Patrick, Gareth, Jolien, Xavi
  1. Reviewed antennaPatterns
    • Reviewed ComputeAntennaResponse
      • Definition of psi is same as LAL, I think.
      • Funny business regarding changing matrices to vectors. Patrick assures us this has been checked against the obvious way (commented out).
  2. Reviewed computeTimeShifts
    • Possible bug in line 27 if channels is list of vertex.
  3. Continued reviewing xtimefrequencymap
    • Line 430: Times are all shifted to arrival time in first detector. Should keep the delay for first detector so that code can report times relative to centre of earth. Code actually records time wrt first detector.
    • Line 464: We don't understand 'case 2' (spherical harmonics) code. Not reviewed. Also lines 481-492 not reviewed.
    • Reviewed modifiedhann (which is Tukey).
      • N must be divisible by 4 or else an error; not a power of 2.
      • Probably should have check on N.
      • Prefer N/2 to 1/2*N. Etc.
  4. Stopped at line 527.
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