The acronym FFT(Astronomy) means : Fast Fourier Transform

Acronyms, abbreviations and meanings similar to FFT

Fast Fourier transform

A fast Fourier transform (FFT) is an algorithm that computes the discrete Fourier transform (DFT) of a sequence, or its inverse (IDFT). Fourier analysis

Cooley–Tukey FFT algorithm

J. W. Cooley and John Tukey, is the most common fast Fourier transform (FFT) algorithm. It re-expresses the discrete Fourier transform (DFT) of an arbitrary

Spectrum analyzer

instruments. Following the discovery of the fast Fourier transform (FFT) in 1965, the first FFT-based analyzers were introduced in 1967. Today, there are three

FFT (disambiguation)

FFT is a fast Fourier transform. FFT may also refer to: Fédération Française de Tennis, the French Tennis Federation Firefighters Upsala CK, a Swedish

Chirp Z-transform

algorithm expresses the CZT as a convolution and implements it efficiently using FFT/IFFT. As the DFT is a special case of the CZT, this allows the efficient

Prime-factor FFT algorithm

called the Good–Thomas algorithm (1958/1963), is a fast Fourier transform (FFT) algorithm that re-expresses the discrete Fourier transform (DFT) of a size

Overlap–add method

length(x); H = FFT(h,N) (zero-padded FFT) i = 1 y = zeros(1, M+Nx-1) while i <= Nx (Nx: the last index of x[n]) il = min(i+L-1,Nx) yt = IFFT( FFT(x(i:il),N)

Twiddle factor

A twiddle factor, in fast Fourier transform (FFT) algorithms, is any of the trigonometric constant coefficients that are multiplied by the data in the

Discrete Fourier transform

transform (FFT) algorithms; so much so that the terms "FFT" and "DFT" are often used interchangeably. Prior to its current usage, the "FFT" initialism

Split-radix FFT algorithm

The split-radix FFT is a fast Fourier transform (FFT) algorithm for computing the discrete Fourier transform (DFT), and was first described in an initially

Fast Fourier transform

A fast Fourier transform (FFT) is an algorithm that computes the discrete Fourier transform (DFT) of a sequence, or its inverse (IDFT). Fourier analysis

Cooley–Tukey FFT algorithm

J. W. Cooley and John Tukey, is the most common fast Fourier transform (FFT) algorithm. It re-expresses the discrete Fourier transform (DFT) of an arbitrary

Spectrum analyzer

instruments. Following the discovery of the fast Fourier transform (FFT) in 1965, the first FFT-based analyzers were introduced in 1967. Today, there are three

FFT (disambiguation)

FFT is a fast Fourier transform. FFT may also refer to: Fédération Française de Tennis, the French Tennis Federation Firefighters Upsala CK, a Swedish

Chirp Z-transform

algorithm expresses the CZT as a convolution and implements it efficiently using FFT/IFFT. As the DFT is a special case of the CZT, this allows the efficient

Prime-factor FFT algorithm

called the Good–Thomas algorithm (1958/1963), is a fast Fourier transform (FFT) algorithm that re-expresses the discrete Fourier transform (DFT) of a size

Overlap–add method

length(x); H = FFT(h,N) (zero-padded FFT) i = 1 y = zeros(1, M+Nx-1) while i <= Nx (Nx: the last index of x[n]) il = min(i+L-1,Nx) yt = IFFT( FFT(x(i:il),N)

Twiddle factor

A twiddle factor, in fast Fourier transform (FFT) algorithms, is any of the trigonometric constant coefficients that are multiplied by the data in the

Discrete Fourier transform

transform (FFT) algorithms; so much so that the terms "FFT" and "DFT" are often used interchangeably. Prior to its current usage, the "FFT" initialism

Split-radix FFT algorithm

The split-radix FFT is a fast Fourier transform (FFT) algorithm for computing the discrete Fourier transform (DFT), and was first described in an initially

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TREM means: Tropical Rainfall Explorer Mission

PDSA means: Peroxydisulfuric Acid

RGTO means: Rheotaxial Growth And Thermal Oxidation

SDN means: Software Development Note

ROTC means: Reserve Officer Training Corps (Rawt-Cee)