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sd.scantable.freq_align - Function

5.1.2 Perform frequency alignment
Description

Return a scan where all rows have been aligned in frequency/velocity. The alignment frequency frame (e.g. LSRK) is that set by function set_freqframe.

The reference time to align can be specified as reftime argument. By default, the time of the first row of data is used. The method argument specifies interpolation method for regridding the spectra. Valid options are ’nearest’, ’linear’, ’cubic’ (default), and ’spline’.

Arguments

Inputs

reftime

Reference time to align at.

allowed:

string

Default:

None (use first row of data)

method

Interpolation method for regridding the spectra

allowed:

string

Default:

’cubic’

insitu

If False a new scantable is returned

allowed:

bool

Default:

None

Returns
scantable

Example

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