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Re: peak detection and analysis
Posted:
Oct 2, 2007 1:52 PM
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In <fdt5ri$oa8$1@fred.mathworks.com> "Megan " <megsoc@gmail.com> writes:
>Hello >I need to do some data analysis which I imagine is very >simple to do but have been looking around and have no idea >where to start. >I have one dimensional data sets which are noisy where I >want to detect the peaks (both positive and negative) and >thenextract some properties of these peaks like amplitude, >time-to-peak and half width. >The peaks come sporadically and do not all have the same >shape, and are often asymmetrical. >Thank you
Try a Savitsky-Golay filter, find the derivative and look for zero-crossings.
-- David B. Chorlian Neurodynamics Lab SUNY/HSCB chorlian@cns.hscbklyn.edu davidc@panix.com
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