1.3.1.0 ms.hanningsmooth

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ms.hanningsmooth - Function

1.3.1 Hanning smooth the frequency channels to remove Gibbs ringing.

Description

This function Hanning smooths the frequency channels with a weighted running average of smoothedData[i] = 0.25*correctedData[i-1] + 0.50*correctedData[i] + 0.25*correctedData[i-1]. The first and last channels are flagged. Inclusion of a flagged value in an average causes that averaged data value to be flagged.

Arguments


Inputs
datacolumn	the name of the MS column into which to write the smoothed data
	allowed:	string
	Default:	corrected

Returns
bool

Example

    ms.open(’ngc5921.ms’,nomodify=False)
    ms.hanningsmooth(’data’)
    ms.close()

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