MATLAB: Is there a way to obtain peak width after peak detection

Question

I have used the function findpeaks to detect spikes in a signal

however I have initially used the halfprominence as width-reference

is there a way to obtain widths using half-height after such peak detection, having the peak timestamps and their amplitude values ?

Answer 1

Not a stupid question at all.

You simply need to ask findpeaks to return them as outputs:

[pks,locs,widths,proms] = findpeaks(PeakSig,x);

See the documentation section on Peak Prominences (link) for an illustration and discussion. The ‘widths’ are defined as the full width at half of the maximum amplitude (FWHM).