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Workspace Method antenna_responseGaussian

Description

Sets up a gaussian antenna response.

The method assumes that the response is the same for all
frequencies and polarisations, and that it can be modelled as
gaussian.

The grid generated can be written as
   si * [-xwidth_si:dx_si:xwidth_si]
where si is the standard deviation corresponding to the FWHM.
That is, width and spacing of the grid is specified in terms of
number of standard deviations. If xwidth_si is set to 2, the
response will cover about 95% the complete response. For
xwidth_si=3, about 99% is covered.

Authors: Patrick Eriksson

Synopsis

antenna_responseGaussian(

antenna_response, fwhm, xwidth_si, dx_si )

Variables

OUT	antenna_response	(GriddedField4)	The antenna pattern/response.
GIN	fwhm	(Numeric)	Full width at half-maximum
GIN	xwidth_si	(Numeric, Default: 3)	Half-width of response, in terms of std. dev.
GIN	dx_si	(Numeric, Default: 0.1)	Grid spacing, in terms of std. dev.