getChanWidths

Return to directory of Todd's CASA extensions

Returns an array of channel widths (in Hz) for the specified msmd instance (or measurement set) and spw (or spw list). See also effectiveResolution and effectiveBandwidth.

Usage:

au.getChanWidths(mymsmd, spw='') 
Inputs:
  • mymsmd: an instance of msmd, or the name of a measurement set
  • spw: integer or comma-delimited string

Example:

CASA <3>: au.getChanWidths('uid___A002_X5f231a_Xfb0.ms')
  Out[3]: 
array([ -1.56250000e+07,   1.93750000e+09,  -1.56250000e+07,
         1.93750000e+09,   1.56250000e+07,   1.93750000e+09,
         1.56250000e+07,   1.93750000e+09,  -1.56250000e+07,
         1.78125000e+09,  -1.56250000e+07,   1.78125000e+09,
        -1.56250000e+07,   1.78125000e+09,  -1.56250000e+07,
         1.78125000e+09,  -6.10351562e+04,   2.50000000e+08,
        -2.44140625e+05,   5.00000000e+08,  -1.56250000e+07,
         1.79687500e+09,  -1.56250000e+07,   1.79687500e+09])
-- ToddHunter - 2015-09-06
Topic revision: r2 - 2017-01-11, ToddHunter
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