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Currently we are not applying an anti-aliasing filter first — this can lead to bad results! We need to add code to apply an appropriate lowpass filter prior to the interpolate() method being called.
The text was updated successfully, but these errors were encountered:
This is not as bad as I initially thought... interpolating occurs after filtering. So often (but not always) the user-defined bandpass will act as an AA filter. We still should fix!
As a pre-processing step, we resample waveforms using the Lanczos method. We do this here:
rtm/rtm/waveform.py
Line 90 in 6a163db
rtm/rtm/waveform.py
Line 96 in 6a163db
Currently we are not applying an anti-aliasing filter first — this can lead to bad results! We need to add code to apply an appropriate lowpass filter prior to the
interpolate()
method being called.The text was updated successfully, but these errors were encountered: