By default, PyHHT extends the extrema of a signal beyond its boundaries to try to make as much of the signal lie between the envelopes as possible. This breaks the interpolation for some signals, so it is now made optional by allowing nbsym=False in the EMD constructor.
Coverage decreased (-0.8%) to 74.656% when pulling 5c097ab22e990a75999f3f7c78d08db19308ad61 on jd-fix-nbsym into e55fedd9848efdcc9c3abc669b43a4cb8cbc474a on dev.
By default, PyHHT extends the extrema of a signal beyond its boundaries to try to make as much of the signal lie between the envelopes as possible. This breaks the interpolation for some signals, so it is now made optional by allowing
nbsym=False
in the EMD constructor.See #29