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Next: gbtmsfiller.minbiasfactor - Function Up: gbtmsfiller - Tool Previous: gbtmsfiller.dcbias - Function


gbtmsfiller.setminbiasfactor - Function



Package nrao
Module gbt
Tool gbtmsfiller


Attempt to correct for the truncation error in the ACS samplers.


Synopsis
setminbiasfactor(minbiasfactor)


Arguments

minbiasfactor   The minimum integer to be multiplied by 0.5/65536 and subtracted from the data..
    Allowed: integer
    Default: -1


Returns
boolean


Description
There is a truncation (instead of a rounding) as the raw lags are converted to 32-bit integers. This introduces a systematic error in the lags. When this value is non-negative (>=0) then the nearest integer larger than this value is found which, when multiplied by 0.5/65536 and added to the last5 to just above 0.0.



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2006-08-01