• In mathematics, the convolution theorem states that under suitable conditions the Fourier transform of a convolution of two functions (or signals) is the...
    22 KB (1,984 words) - 09:41, 9 March 2025
  • Thumbnail for Convolution
    In mathematics (in particular, functional analysis), convolution is a mathematical operation on two functions f {\displaystyle f} and g {\displaystyle...
    67 KB (8,819 words) - 15:20, 10 May 2025
  • Thumbnail for Discrete Fourier transform
    e^{-{\frac {i2\pi }{N}}km}} The convolution theorem for the discrete-time Fourier transform (DTFT) indicates that a convolution of two sequences can be obtained...
    76 KB (12,333 words) - 05:19, 3 May 2025
  • Thumbnail for Fourier transform
    frequency domain. Also, convolution in the time domain corresponds to ordinary multiplication in the frequency domain (see Convolution theorem). After performing...
    177 KB (21,313 words) - 02:31, 2 June 2025
  • _{X}\right]\exp \left[-{\tfrac {\sigma _{X}^{2}\omega ^{2}}{2}}\right]} By the convolution theorem: f Z ( z ) = ( f X ∗ f Y ) ( z ) = F − 1 { F { f X } ⋅ F { f Y }...
    14 KB (3,399 words) - 13:32, 3 December 2024
  • discrete convolution is the discrete analog of the multidimensional convolution of functions on Euclidean space. It is also a special case of convolution on...
    41 KB (8,119 words) - 06:50, 14 June 2025
  • The Titchmarsh convolution theorem describes the properties of the support of the convolution of two functions. It was proven by Edward Charles Titchmarsh...
    6 KB (820 words) - 16:14, 19 January 2025
  • Circular convolution, also known as cyclic convolution, is a special case of periodic convolution, which is the convolution of two periodic functions that...
    11 KB (1,276 words) - 12:26, 17 December 2024
  • Thumbnail for Fourier series
    -periodic, and its Fourier series coefficients are given by the discrete convolution of the S {\displaystyle S} and R {\displaystyle R} sequences: H [ n ]...
    72 KB (11,152 words) - 11:43, 12 June 2025
  • mathematics, convolution is a binary operation on functions. Circular convolution Convolution theorem Titchmarsh convolution theorem Dirichlet convolution Infimal...
    875 bytes (115 words) - 21:17, 12 October 2022
  • A convolutional neural network (CNN) is a type of feedforward neural network that learns features via filter (or kernel) optimization. This type of deep...
    138 KB (15,585 words) - 07:00, 4 June 2025
  • Thumbnail for Central limit theorem
    the central limit theorem can be interpreted as a statement about the properties of density functions under convolution: the convolution of a number of density...
    67 KB (9,202 words) - 03:48, 9 June 2025
  • Poisson summation formula (category Theorems in mathematical analysis)
    The Poisson summation formula arises as a particular case of the Convolution Theorem on tempered distributions, using the Dirac comb distribution and...
    30 KB (4,951 words) - 03:09, 20 April 2025
  • The Hilbert transform is given by the Cauchy principal value of the convolution with the function 1 / ( π t ) {\displaystyle 1/(\pi t)} (see § Definition)...
    60 KB (8,167 words) - 17:05, 14 April 2025
  • Titchmarsh convolution theorem (complex analysis) Whitney extension theorem (mathematical analysis) Zahorski theorem (real analysis) Banach–Tarski theorem (measure...
    78 KB (6,289 words) - 12:34, 6 June 2025
  • for convolution products. It is expressed in the following extension of the Convolution Theorem which guarantees the existence of both convolution and...
    128 KB (21,628 words) - 22:31, 27 May 2025
  • Thumbnail for Dirac comb
    f(t)} by convolution with Ш T {\displaystyle \operatorname {\text{Ш}} _{T}} . The Dirac comb identity is a particular case of the Convolution Theorem for tempered...
    21 KB (3,470 words) - 18:24, 27 January 2025
  • version of the convolution theorem can be applied, in which the concept of circular convolution is replaced with symmetric convolution. Using these transforms...
    4 KB (493 words) - 05:44, 31 January 2023
  • Thumbnail for Deconvolution
    function g, you get H and G, with G as the transfer function. Using the Convolution theorem, F = H / G {\displaystyle F=H/G\,} where F is the estimated Fourier...
    16 KB (1,975 words) - 01:58, 14 January 2025
  • In mathematics, the convolution power is the n-fold iteration of the convolution with itself. Thus if x {\displaystyle x} is a function on Euclidean space...
    8 KB (1,136 words) - 22:47, 16 November 2024
  • mathematical theory of artificial neural networks, universal approximation theorems are theorems of the following form: Given a family of neural networks, for each...
    39 KB (5,225 words) - 05:12, 2 June 2025
  • obtain the convolution of a and b, according to the usual convolution theorem. Let us also be more precise about what type of convolution is required...
    11 KB (1,570 words) - 16:02, 23 April 2025
  • English mathematician Titchmarsh theorem (disambiguation) Titchmarsh convolution theorem Brun–Titchmarsh theorem Valentine Titchmarsh (1853–1907), English...
    549 bytes (86 words) - 09:59, 22 February 2022
  • The Nash embedding theorems (or imbedding theorems), named after John Forbes Nash Jr., state that every Riemannian manifold can be isometrically embedded...
    16 KB (1,989 words) - 12:06, 7 April 2025
  • Transfer function filter utilizes the transfer function and the Convolution theorem to produce a filter. In this article, an example of such a filter...
    6 KB (899 words) - 14:39, 11 April 2024
  • Thumbnail for Overlap–add method
    that the circular convolution can be computed more efficiently than linear convolution, according to the circular convolution theorem: where: DFTN and...
    9 KB (1,040 words) - 00:44, 8 April 2025
  • In statistics, the Hájek–Le Cam convolution theorem states that any regular estimator in a parametric model is asymptotically equivalent to a sum of two...
    3 KB (463 words) - 03:13, 15 April 2025
  • approximating  f  by taking the convolution of  f  with a family of suitably chosen polynomial kernels. Mergelyan's theorem, concerning polynomial approximations...
    27 KB (3,235 words) - 20:19, 2 June 2025
  • Thumbnail for Dirichlet convolution
    In mathematics, Dirichlet convolution (or divisor convolution) is a binary operation defined for arithmetic functions; it is important in number theory...
    16 KB (2,587 words) - 06:05, 30 April 2025
  • the convolution of the densities of the sums of m terms and of n term. In particular, the density of the sum of n+1 terms equals the convolution of the...
    11 KB (1,667 words) - 03:30, 13 January 2024