• stationary wavelet transform (SWT) is a wavelet transform algorithm designed to overcome the lack of translation-invariance of the discrete wavelet transform...
    11 KB (1,595 words) - 11:54, 8 May 2025
  • Thumbnail for Wavelet transform
    a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform. A function ψ ∈ L 2 ( R ) {\displaystyle \psi \,\in...
    27 KB (3,836 words) - 21:35, 6 February 2025
  • A list of wavelet related transforms: Continuous wavelet transform (CWT) Discrete wavelet transform (DWT) Multiresolution analysis (MRA) Lifting scheme...
    2 KB (170 words) - 12:22, 5 April 2022
  • Thumbnail for Wavelet
    packet decomposition (WPD) Stationary wavelet transform (SWT) Fractional Fourier transform (FRFT) Fractional wavelet transform (FRWT) There are a number...
    54 KB (7,213 words) - 20:25, 14 May 2025
  • Thumbnail for Morlet wavelet
    abnormal heartbeat is a non-stationary signal, this signal is suitable for wavelet-based analysis. The Morlet wavelet transform is used in pitch estimation...
    14 KB (1,858 words) - 04:14, 7 April 2025
  • of both time and frequency. Continuous wavelet transform analysis is very useful for identifying non-stationary signals in time series, such as those related...
    7 KB (928 words) - 09:37, 3 April 2025
  • University, former name of Texas State University Stationary wavelet transform, a wavelet transform algorithm Standard Widget Toolkit, a graphical widget...
    1 KB (185 words) - 23:35, 13 April 2025
  • Thumbnail for Fourier transform
    in wavelet transforms and chirplet transforms, with the wavelet analog of the (continuous) Fourier transform being the continuous wavelet transform. The...
    177 KB (21,314 words) - 09:59, 16 May 2025
  • from signal analysis such as the wavelet transform and Fourier transform may also be helpful. Lévy process Stationary ergodic process Wiener–Khinchin theorem...
    20 KB (2,606 words) - 20:35, 16 February 2025
  • is a generalization of the short-time Fourier transform (STFT), extending the continuous wavelet transform and overcoming some of its disadvantages. For...
    13 KB (1,865 words) - 08:28, 21 February 2025
  • Thumbnail for Ram Bilas Pachori
    "Fourier–Bessel series expansion based empirical wavelet transform for analysis of non-stationary signals". Digital Signal Processing. 78: 185–196. doi:10...
    12 KB (1,112 words) - 04:23, 19 May 2025
  • Thumbnail for Fast Fourier transform
    "Fast approximate Fourier transform via wavelets transform". In Unser, Michael A.; Aldroubi, Akram; Laine, Andrew F. (eds.). Wavelet Applications in Signal...
    67 KB (7,814 words) - 18:05, 2 May 2025
  • can be compared with other analysis methods such as Fourier transform and Wavelet transform. Using the EMD method, any complicated data set can be decomposed...
    43 KB (5,494 words) - 01:46, 28 April 2025
  • Fractional wavelet transform (FRWT) is a generalization of the classical wavelet transform (WT). This transform is proposed in order to rectify the limitations...
    9 KB (1,726 words) - 17:08, 20 November 2023
  • The wavelet transform modulus maxima (WTMM) is a method for detecting the fractal dimension of a signal. More than this, the WTMM is capable of partitioning...
    6 KB (817 words) - 05:20, 31 July 2024
  • time–frequency distributions, such as: Short-time Fourier transform (including the Gabor transform), Wavelet transform, Bilinear time–frequency distribution function...
    22 KB (3,734 words) - 21:42, 19 February 2025
  • fourier transform (FFT) is used often because of its computational speed, but shows better results for stationary signals. On the other hand, the wavelet transform...
    6 KB (1,054 words) - 23:14, 4 August 2023
  • Thumbnail for Time series
    recent work on model-free analyses, wavelet transform based methods (for example locally stationary wavelets and wavelet decomposed neural networks) have...
    43 KB (5,025 words) - 15:47, 14 March 2025
  • analysis, a discrete wavelet transform is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key advantage...
    27 KB (3,021 words) - 21:30, 17 May 2025
  • Contourlet (category Wavelets)
    this variation was inspired by the nonsubsampled wavelet transform or the stationary wavelet transform which were computed with the à trous algorithm....
    14 KB (1,915 words) - 12:20, 12 September 2024
  • the FBSE based spectrum of the non-stationary signal. Once, the boundary points are obtained, the empirical wavelet based filter-bank is designed in the...
    14 KB (2,347 words) - 16:06, 7 December 2024
  • Thumbnail for Deconvolution
    is the convolution of an Earth-reflectivity function e(t) and a seismic wavelet w(t) from a point source, where t represents recording time. Thus, our...
    16 KB (1,975 words) - 01:58, 14 January 2025
  • Thumbnail for Markov chain
    from discretizing the time series, to hidden Markov models combined with wavelets, and the Markov chain mixture distribution model (MCM). Markovian systems...
    96 KB (12,900 words) - 21:01, 27 April 2025
  • Thumbnail for Orthogonal frequency-division multiplexing
    research, a wavelet transform is introduced to replace the DFT as the method of creating orthogonal frequencies. This is due to the advantages wavelets offer...
    88 KB (11,274 words) - 02:38, 9 March 2025
  • and the presence of greenhouse gases in the atmosphere. Discrete wavelet transform, often used in modern signal processing, is time variant because it...
    4 KB (541 words) - 15:33, 17 November 2024
  • known as the stationary bootstrap. Other related modifications of the moving block bootstrap are the Markovian bootstrap and a stationary bootstrap method...
    69 KB (9,407 words) - 17:55, 15 April 2025
  • Thumbnail for Spectral density
    of spectral analysis techniques such as the short-time Fourier transform and wavelets. A "spectrum" generally means the power spectral density, as discussed...
    37 KB (5,864 words) - 21:13, 4 May 2025
  • appropriate for analysing non-stationary signals in which textures are irregular or non-uniform. Short time Fourier transform or Wavelet might be the most appropriate...
    4 KB (624 words) - 22:38, 3 August 2023
  • Thumbnail for Wigner distribution function
    Wigner distribution function (category Transforms)
    Interscience, NJ, 2004. Jian-Jiun Ding, Time frequency analysis and wavelet transform class notes, the Department of Electrical Engineering, National Taiwan...
    18 KB (3,607 words) - 01:55, 19 January 2025
  • performed using the Wavelet Transform (WT), Empirical Mode Decomposition (EMD), Wigner-Ville Distribution (WVD), and Short-time Fourier Transform (STFT). WT,...
    21 KB (2,515 words) - 12:00, 11 September 2024