how to find peak frequency value in the ionogram which is from power data (for every height and transmitting frequency )of digisonde data

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Hindu Rajasree
Hindu Rajasree 2019-6-20
回答： dpb 2019-6-20
pcolor(fser,hser,AMPORD);
shading interp
% here fser is the transmitted frequencies(1by290), hser(1by501) is the heights involved and AMPORD(size:501by290) is the power data for different heights and frequency .
%here i have to find peak point of the following curve and its corresponding frequency
ionogram(frequency vs height).jpg

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dpb
dpb 2019-6-20
See
doc findpeaks

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