spectralWindow element

`spectralWindow` element
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`spectralWindow` element

Metadata of a spectral window related to structure of the binary tables.

numSpectralPoint

Number of spectral channels.

numBin

Number of phase bins.

	Note
	The nominal use of the bins for EVLA is pulsar phase binning.

numPolProduct

Number of polarization products.

scaleFactor

Scaling factor for spectral data.

When the type attribute of the crossData element has the value “float”, this attribute shall be ignored.

	Note
	This attribute is optional for EVLA, but not for ALMA. EVLA will not use this attribute initially because the spectral data will be in floating point format.