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Kelvin Prado


Active since 2016

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Results of two-dimensional DWT
I am trying to understand the decomposition step of a *two-dimensional DWT*: <https://www.mathworks.com/help/wavelet/ref/dwt2.ht...

7 years ago | 0 answers | 0

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Question


Difference between the ' haar' and 'db2' wavelets
Hello, can someone explain to me basically the difference between the ' *haar*' and ' *db2*' wavelets (parameter for the *_wf...

7 years ago | 0 answers | 0

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answers

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How to find peaks in a data vector?
Hello, I have the following data data = [9 12 8 11 10 10 11 12 11 11 12 8 11 9 9 12 8 11 10 12 8 11 12 8 11 10 18 20 10 ...

8 years ago | 1 answer | 0

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Answered
How to normalize data from a periodogram
I solved the problem using linear regression: <</matlabcentral/answers/uploaded_files/59098/1.png>> The points below the b...

8 years ago | 0

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Doubt about the result of my function (dwt2)
I created a function that basically receives an image as parameter and apply the *discrete 2D wavelet transform* using only the ...

8 years ago | 1 answer | 0

1

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Question


Mathematical formula of a function
Hello, I have a Matlab function created based on the Chi Square Periodogram from Sokolove and Bushell, but with some modifica...

8 years ago | 1 answer | 0

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Question


How to normalize data from a periodogram
Hello, I need to "normalize" some data that are always going up, but I don't know how I can do that. This is the curve (i...

8 years ago | 1 answer | 0

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answer

Question


Confidence region overlaps the pole. Confidence limits for Amplitude and Acrophase cannot be determined. (CICalc in Cosinor)
Hi, can someone explain to me why this message appears in the <http://www.mathworks.com/matlabcentral/fileexchange/20329-cosinor...

8 years ago | 1 answer | 0

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Question


What are the confidence limits and the P value in the Cosinor function of Matlab?
Hello, can someone explain to me basically what represents the " *Confidence Limits*" and the " *P Value*" from the *Cosinor...

8 years ago | 1 answer | 0

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