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dcr - Tool



Package nrao
Module gbt


Postscript file available

A tool for analyzing DCR data from the GBT.

include "dcr.g"

Constructors
dcr Construct dcr tool
Functions
baselinefit Fit a baseline
done Close and exit the DCR tool
focus Fit a parabola to a focus observation
focusScan Reduce a single focus scan.
gauss Fit a gaussian function to the data.
getGO Return the GO keywords
get_tant Returns Antenna Temperature for a given scan
getscan Return data for the given scan
guessmode Guess the switching signal mode
listscans List scan numbers
plot_RA_Dec Plot Dec vs. RA
plot_dap_time Plot a data associated parameter (DAP) vs. time
plot_focus_time Plot focus against time
plot_gain_time Plot relative gain (normalized counts/K) vs. time - not yet implemented
plot_phase_dec Plot data counts vs. Dec for a given phase
plot_phase_ra Plot data counts vs. RA for a given phase
plot_phase_time Plot data counts vs. time for a given phase
plot_sidelobe Plot sidelobes
plot_tant_Dec Plot Antenna Temperature vs. Dec
plot_tant_RA Plot Antenna Temperature vs. RA
plot_tant_time Plot Antenna Temperature vs. time
plot_tsrc_time Plot Tsrc against time
plotscans Plot several scans contiguously
point1 Reduce a 1 scan pointing observation
point2 Reduce a 2 scan pointing observation
point4 Reduce a 4 scan pointing observation
scanSummary Print a summary of the scans in the GUI message window
test_srp Test whether a specified scan, receiver, phase exists
tip Reduce a tipping scan.
tsys Calculate the system temperature
type Return the type of this tool.



Description
This tool is an in-house suite of functions intended to be used exclusively with digital continuum receiver (DCR) data from the Green Bank Telescope (GBT). The tool consists of 2 GUI components: A panel of buttons which offers an interface to some of the common functionality, and a plotter window which displays results when applicable. The complete functionality of the dcr tool is available from the command line interface. The tool is aimed at satisfying the requirements for commissioning the GBT, primarily, but it may find use as a general purpose continuum analysis tool as well.




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2006-08-01