- discrete Hartley transform
- дискретное преобразование Хартли, ДПХ
English-Russian electronics dictionary .
English-Russian electronics dictionary .
Discrete Hartley transform — A discrete Hartley transform (DHT) is a Fourier related transform of discrete, periodic data similar to the discrete Fourier transform (DFT), with analogous applications in signal processing and related fields. Its main distinction from the DFT… … Wikipedia
Discrete Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms In mathematics, the discrete Fourier transform (DFT) is a specific kind of discrete transform, used in… … Wikipedia
Hartley transform — In mathematics, the Hartley transform is an integral transform closely related to the Fourier transform, but which transforms real valued functions to real valued functions. It was proposed as an alternative to the Fourier transform by R. V. L.… … Wikipedia
Arithmetic complexity of the discrete Fourier transform — See Fast Fourier transform#Bounds on complexity and operation counts for a general summary of this issue.Bounds on the multiplicative complexity of FFTIn his PhD thesis in 1987 [1] , Michael Heidman focus on the arithmetic theory of complexity… … Wikipedia
Fast Fourier transform — A fast Fourier transform (FFT) is an efficient algorithm to compute the discrete Fourier transform (DFT) and its inverse. There are many distinct FFT algorithms involving a wide range of mathematics, from simple complex number arithmetic to group … Wikipedia
Ralph Hartley — Infobox Scientist name = Ralph Hartley caption = birth date = birth date|1888|11|30 birth place = Spruce, Nevada death date = death date and age|1970|5|1|1888|11|30 death place = New Jersey residence = United States nationality = American field … Wikipedia
Fast Fourier Transform — Transformée de Fourier rapide La transformée de Fourier rapide (sigle anglais : FFT ou Fast Fourier Transform) est un algorithme de calcul de la transformée de Fourier discrète (TFD). Sa complexité varie en avec le nombre de points n, alors… … Wikipédia en Français
Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms The Fourier transform is a mathematical operation that decomposes a function into its constituent… … Wikipedia
List of Fourier-related transforms — This is a list of linear transformations of functions related to Fourier analysis. Such transformations map a function to a set of coefficients of basis functions, where the basis functions are sinusoidal and are therefore strongly localized in… … Wikipedia
List of transforms — This is a list of transforms in mathematics.Integral transforms*Abel transform *Fourier transform **Short time Fourier transform *Hankel transform *Hartley transform *Hilbert transform **Hilbert Schmidt integral operator *Laplace transform… … Wikipedia
Trigonometry in Galois fields — In mathematics, the theory of quadratic extensions of finite fields supports analogies with trigonometry.The main motivation to deal with a finite field trigonometry is the power of the discrete transforms, which play an important role in… … Wikipedia