How can I use the FINDPEAKS function in the Signal Processing Toolbox 6.8 (R2007b) to find flat peaks?

Question

MathWorks Support Team 2009-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/102359-how-can-i-use-the-findpeaks-function-in-the-signal-processing-toolbox-6-8-r2007b-to-find-flat-peak

The FINDPEAKS function does not consider peak points to be valid unless they are strictly greater than the immediately neighboring points.

Reproduction Steps:

good = [ 1 2 3 4 5 6 7 6 5 4 3 2 1];     % peak at 7
findpeaks(good)  % this will return a value of 7
bad = [ 1 2 3 4 5 6 6 5 4 3 2 1];        % adjacent peaks at 6
findpeaks(bad)   % this will return null []

I would like to be able to find flat tops (where the peak value is repeated a few times) using the FINDPEAKS function.

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Answer 1

MathWorks Support Team 2009-6-27

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/102359-how-can-i-use-the-findpeaks-function-in-the-signal-processing-toolbox-6-8-r2007b-to-find-flat-peak#answer_111705

The ability to find peaks where the peak value occurs more than once is not available with FINDPEAKS function in Signal Processing Toolbox 6.6 (R2007b).

There are no workarounds.