Source
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It is not possible to turn off solution for the phase offset
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(secular phase). The choice of parameters is used in the
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least-squares solver; it does not affect the operation of the FFT
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stage, although it will affect the results in the calibration table
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if the globalsolve option is set to False.
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<value/>
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</param>
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<param type="bool" name="concatspws">
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<shortdescription>Choose between multi-band FFT strategies</shortdescription>
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-
<description>Multi-band FFTs can be done by joining spectral
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-
windows onto a wider frequency grid (the default) or by a new
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-
method that combines them after the FFT.</description>
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+
<description>For combine='spw', the multi-band FFT solution can be
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+
done in two different ways. For concatspws=True (the default), spws are
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+
combined onto a wider frequency grid. For concatspws=False, each
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+
spw is separated FFT'd, and the results are combined using the
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+
shift theorem; this mode is experimental.</description>
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<value>True</value>
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</param>
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<param type="bool" name="parang">
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<shortdescription>Apply parallactic angle correction on the fly</shortdescription>
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<description>Apply parallactic angle correction on the fly.
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</description>
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<value>False</value>
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</param>
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