Join points with a Fourier interpolator, for Chris Henrick.
We resample by adding zeros to the FFT and calling the inverse, there is probably a better way???
Two difficulties here:
- you must filter out the zeros if you want something that follows the main rythm
- the timestamps are not on fixed interval, which FFT expects, so we have to map everything to fixed intervals, do the FFT (on the filtered data), then remap to the original timeline.
See the sinusoidal version.
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