Dicrotic-notch detection in pulse waves

Finds prominent minima in the second derivative outside the systolic onset window. Requires signal::findpeaks.

Usage

morie_dsp_dicrotic_notch(pulse, fs = 125)

Arguments

pulse

Numeric pulse vector.

fs

Sampling frequency (Hz). Default 125.

Value

Integer vector of notch indices.

References

Rangayyan & Krishnan (2015), Ch. 4, sec. 4.8.