In physics, engineering and mathematics, the Fourier transform (FT) is an integral transform that takes a function as input and outputs another function... 177 KB (20,953 words) - 18:21, 8 May 2024 |
is generally called Fourier analysis, although the term is sometimes used interchangeably with harmonic analysis. Harmonic analysis has become a vast subject... 10 KB (1,220 words) - 18:40, 17 February 2024 |
A Fourier series (/ˈfʊrieɪ, -iər/) is an expansion of a periodic function into a sum of trigonometric functions. The Fourier series is an example of a... 71 KB (10,850 words) - 12:08, 25 April 2024 |
In Fourier analysis, a multiplier operator is a type of linear operator, or transformation of functions. These operators act on a function by altering... 25 KB (2,815 words) - 11:04, 15 September 2021 |
Hilbert space (redirect from Hilbert spaces and Fourier analysis) the theories of partial differential equations, quantum mechanics, Fourier analysis (which includes applications to signal processing and heat transfer)... 128 KB (17,476 words) - 16:39, 21 April 2024 |
initiating the investigation of Fourier series, which eventually developed into Fourier analysis and harmonic analysis, and their applications to problems... 24 KB (2,286 words) - 07:04, 6 May 2024 |
Fourier-transform infrared spectroscopy (FTIR) is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas... 37 KB (4,750 words) - 10:26, 27 April 2024 |
The short-time Fourier transform (STFT), is a Fourier-related transform used to determine the sinusoidal frequency and phase content of local sections... 22 KB (4,043 words) - 04:41, 27 April 2024 |