feat(flagging): mask rfi based on delay filtered visibilities #268
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Adds three new tasks: - analysis.dayenu.DayenuDelayFilterFixedCutoff enables delay filtering of timeseries with rapidly changing frequency masks. - analysis.transform.ReduceChisq calculates a chi2-per-dof test statistic by comparing the delay filtered visibilities to the inverse noise variance stored in the weights. - analysis.flagging.RFIMaskChisqHighDelay generates a mask from this chi2-per-dof test statistic.
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Depends on #265 for the arPLS method. |
This was referenced May 14, 2024
added 2 commits
May 14, 2024 12:02
ljgray
approved these changes
May 14, 2024
Make DayenuDelayFilterFixedCutoff a subclass of transform.ReduceChisq. If reduce_baseline option is set to True, then this task will calculate the chi-squared-per-dof test statistic in place in order to reduce memory usage. Also add option to this task to mask short baselines.
Excludes horizon plus 100 nsec leakage due to the primary beam for all baselines.
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I've confirmed that using the updated |
Sounds good to me |
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Adds three new tasks: