
Wavelet Scattering explanation? - Signal Processing Stack Exchange
Oct 2, 2021 · Wavelet Scattering is an equivalent deep convolutional network, formed by cascade of wavelets, modulus nonlinearities, and lowpass filters. It yields representations that are time …
PyWavelets CWT implementation - Signal Processing Stack Exchange
Sep 28, 2020 · I seek to understand PyWavelets' implementation of the Continuous Wavelet Transform, and how it compares to the more 'basic' version I've coded and provided here. In …
Discrete wavelet transform; how to interpret approximation and …
Discrete wavelet transform; how to interpret approximation and detail coefficients? Ask Question Asked 8 years ago Modified 2 years, 8 months ago
wavelet - CWT at low scales: PyWavelets vs Scipy - Signal …
Oct 6, 2020 · Low scales are arguably the most challenging to implement due to limitations in discretized representations. Detailed comparison here; the principal difference is in how the …
Scalogram (and related nomenclatures) for DWT?
9 Continuous wavelet transform is suitable for a scalogram because the analysis window can be sized and placed at any position. This flexibility allows for the generation of a smooth image in …
What is the scaling function and wavelet function at wavelet …
May 6, 2015 · I'm trying to looking the meaning and functionality about scaling function and wavelet function at wavelet analysis. I have googling already. But I can't find and understand …
What's the difference between the Gabor and Morlet wavelets?
The Gabor wavelet is a kind of the Gaussian modulated sinusoidal wave (source) Gabor wavelets are formed from two components, a complex sinusoidal carrier and a Gaussian …
python - Feature extraction/reduction using DWT - Signal …
For a given time series which is n timestamps in length, we can take Discrete Wavelet Transform (using 'Haar' wavelets), then we get (for an example, in Python) -
wavelet - What's the maximum allowable amplitude modulation …
1 I'm currently studying wavelets and had an interesting thought experiment: If you were to calculate the wavelet transform of a signal using a wavelet of a fixed frequency, you would get …
wavelet - How can a zero-padded length n signal be truncated to …
A wavelet transform is defined for infinite length signals. Finite length signals must be extended in some way before they can be transformed. I know that periodic replication and zero padding are