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John Navarro


Last seen: 20 days ago
6 total contributions since 2020

John Navarro's Badges

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Question


How to get the FFT peaks from a non stationary signal
Hello I have a signal of 15 seconds with a sampling rate of 20KHz. I need a table with the location of the 3 highest peaks of t...

28 days ago | 1 answer | 0

1

answer

Question


Time resolution of Spectral Entropy - How could I modify it?
Hello everyone, I have a signal (a timetable of 307,200 data points) with sampling rate of 20480 Hz (0.00005s) and total length...

1 month ago | 0 answers | 0

0

answers

Answered
How to implement PCA to differentiate the signals from each other.
By PCA did you mean Principal component analysis? If so, PCA does not extract features, it evaluates their correlation and indi...

2 months ago | 0

Answered
Is it possible to join tables with different variables and sizes by filling/padding the missing variables and rows with NaN or similar?
C = outerjoin(A,B,'Keys',{'Common Variable'},'MergeKeys',true) % Where A and B are the corresponding Tables to merge. Then you...

10 months ago | 0

Question


Research program support MathWorks
Hello. I will like to know more about this program of MathWorks to get more support with my PhD project, but I cant find any in...

11 months ago | 3 answers | 0

3

answers

Question


FFT and PSD - normalize values
Hello. I have noticed many posts regarding frequency spectrum and many answers to the same questions. How to normalize the val...

11 months ago | 1 answer | 0

1

answer