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Question

does anyone have example of how to use SVM for time series classification?
I have 20 series,they look like musical signals(different frequencies and amplitudes within each time series),I need to classify...

2 years ago | 0 answers | 0

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Question

reconstruct a signal from modified approximation coefficients
Hi, I have a problem when using the functions wrcoef and upcoef. Actually, I have a set of points that i call signal. I want ...

5 years ago | 0 answers | 0

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Question

I am searching for calculating the maximal frequency existing in some discrete signal. Here are the values of the signal: 1.0e+003 * 2.3784 2.3435 2.3145 2.2680 2.2785 2.2380 2.1580 2.1234 2.1168 2.1215 2.
I am searching for calculating the maximal frequency existing in some discrete signal. Here are the values of the signal: 1.0e...

6 years ago | 0 answers | 0

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Question

How can I get the cutoff frequency of the wavelet low pass fitler of db4? I mean how can I know the remaining frequenies in the approximation signal resulting by the DWT decomposition?
How can I get the cutoff frequency of the wavelet low pass fitler of db4? I mean how can I know the remaining frequenies in the ...

6 years ago | 0 answers | 0

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How can I get a time-frequency representation of the resulted details and approximation signals from a discrete wavelet transform?
Thank you Wayne But my signal is a discrete one so I must show the frequency components and their localization in time for every...

6 years ago | 0

Question

How can I get a time-frequency representation of the resulted details and approximation signals from a discrete wavelet transform?
I am using discrete wavelet tranform to separate frequency bands from a given signals. My question is, How can I get a time-freq...

6 years ago | 2 answers | 0