How to Calculate The Full Wave Half Maximum.

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mohd akmal masud
mohd akmal masud 2021-6-23
评论： mohd akmal masud 2021-6-23
Hi Everyone, anyone know how to write command to calculate the Full Wave Half Maxiumum(FWHM) on my data. As shown in figure attached.

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KSSV
KSSV 2021-6-23
Let (n.counts) be your data.
[max_counts,idx] = max(counts) ;
half_max_counts = max_counts/2 ;
idx = knnsearch(counts,half_max_counts) ;
FWHM = abs(diff(n(idx)))
You can inerpolate the data for better accuracy.

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