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transformada de Fourier (ver más abajo) se puede evaluar rápidamente en computadoras usando algoritmos de transformada rápida de Fourier (FFT).[5] En medicina…36 kB (4401 palabras) - 14:34 8 abr 2024
G. Johnson and M. Frigo, « Implementing FFTs in practice » in Fast Fourier Transforms (C. S. Burrus, ed.), ch. 11, Rice University, Houston TX: Connexions…10 kB (1283 palabras) - 17:30 16 abr 2024
Resultados de la Wikipedia en inglés.
- A Fast Fourier Transform (FFT) is an algorithm that computes the Discrete Fourier Transform (DFT) of a sequence, or its inverse (IDFT). Fourier analysis…63 kB (7355 palabras) - 13:09 1 may 2024
- implementations usually employ efficient fast Fourier transform (FFT) algorithms; so much so that the terms "FFT" and "DFT" are often used interchangeably…68 kB (10 510 palabras) - 12:55 30 abr 2024
- inverse DFT is a periodic summation of the original sequence. The fast Fourier transform (FFT) is an algorithm for computing one cycle of the DFT, and its…39 kB (4320 palabras) - 23:27 3 may 2024
- handle periodic functions. The fast Fourier transform (FFT) is an algorithm for computing the DFT. The Fourier transform is an analysis process, decomposing…176 kB (20 919 palabras) - 14:14 2 may 2024
- John Tukey, is the most common fast Fourier transform (FFT) algorithm. It re-expresses the discrete Fourier transform (DFT) of an arbitrary composite…36 kB (5397 palabras) - 00:43 21 feb 2024
- commonly use fast Fourier transforms (FFTs) with 2^24 points on desktop computers. Simply, in the continuous-time case, the function to be transformed is multiplied…22 kB (4043 palabras) - 04:41 27 abr 2024
- discrete version of the Fourier transform (see below) can be evaluated quickly on computers using fast Fourier transform (FFT) algorithms. In forensics…38 kB (4616 palabras) - 02:35 20 feb 2024
- The fast Fourier transform (FFT) is an important tool in the fields of image and signal processing. The hexagonal fast Fourier transform (HFFT) uses existing…8 kB (1528 palabras) - 01:08 27 nov 2020
- motion-compensated video coding. They experimented with the DCT and the fast Fourier transform (FFT), developing inter-frame hybrid coders for both, and found that…101 kB (12 047 palabras) - 13:16 26 abr 2024
- retardation values is constant. Thus, a discrete Fourier transform is needed. The fast Fourier transform (FFT) algorithm is used. The first FTIR spectrometers…37 kB (4750 palabras) - 10:26 27 abr 2024
- based on a fast Fourier transform (FFT). The Nyquist–Shannon sampling theorem is critical for understanding the output of such discrete transforms. Integral…7 kB (933 palabras) - 23:28 7 nov 2023
- more dimensions. One of the more popular multidimensional transforms is the Fourier transform, which converts a signal from a time/space domain representation…24 kB (4600 palabras) - 06:45 19 mar 2024
- Good–Thomas algorithm (1958/1963), is a fast Fourier transform (FFT) algorithm that re-expresses the discrete Fourier transform (DFT) of a size N = N1N2 as a two-dimensional…10 kB (1716 palabras) - 20:46 18 mar 2024
- synchronization, spectrum sensing and analog-to-digital converters.: The fast Fourier transform (FFT) plays an indispensable role on many scientific domains, especially…12 kB (1633 palabras) - 01:58 3 may 2024
- FFTW (redirección desde Fastest Fourier Transform in the West)the fastest free software implementations of the fast Fourier transform (FFT). It implements the FFT algorithm for real and complex-valued arrays of arbitrary…6 kB (613 palabras) - 22:48 28 feb 2024
- frequencies Fast Fourier transform (FFT), a fast algorithm for computing a discrete Fourier transform Generalized Fourier series, generalizations of Fourier series…3 kB (381 palabras) - 11:49 21 feb 2023
- Fast Fourier Transforms for Nonequispaced Data (PDF) (PhD). Yale University. Dutt, Alok; Rokhlin, Vladimir (November 1993). "Fast Fourier Transforms for…14 kB (2442 palabras) - 18:33 27 feb 2024
- convolution theorem, and most fast Fourier transform (FFT) algorithms, depend only on the property that the kernel of the transform is a principal root of unity…15 kB (2816 palabras) - 12:31 5 abr 2024
- constant-Q transform and variable-Q transform, simply known as CQT and VQT, transforms a data series to the frequency domain. It is related to the Fourier transform…13 kB (1629 palabras) - 18:38 20 feb 2024
- L. Hartley in 1942. Because there are fast algorithms for the DHT analogous to the fast Fourier transform (FFT), the DHT was originally proposed by Ronald…23 kB (4180 palabras) - 01:41 5 feb 2023
- vector-radix FFT algorithm, is a multidimensional fast Fourier transform (FFT) algorithm, which is a generalization of the ordinary Cooley–Tukey FFT algorithm…10 kB (2697 palabras) - 19:17 19 abr 2024