i need a example code for Single-level discrete 2-D wavelet transform

2020 3 29
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更新时间：2020 3 29
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since i am newbie to matlab i dont know how to start this project. obviously my project need feature extraction method which has involved in discrete wavelet transforms please help me answer this code

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回答（1 个）

Peng Li
Peng Li 2020-3-29

0 个投票

Say x is your signal and you’d like to do an n-level decomposition, using
[C, L] = wavedec(x, n, ‘db2’);
db2 is the wavelet you choose to decompose this signal x.
Better to check ref page. There are a lot more examples.
https://www.mathworks.com/help/wavelet/ref/wavedec.html

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提问:

syed k
syed k
2020-3-29

回答：

Peng Li
Peng Li
2020-3-29

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