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9 total contributions since 2016

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Question

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...

3 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...

3 years ago | 0 answers | 0

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Question

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 ...

4 years ago | 1 answer | 0

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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...

4 years ago | 0

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Question

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 ...

4 years ago | 1 answer | 0

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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...

4 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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0