• Fourier-transform spectroscopy is a measurement technique whereby spectra are collected based on measurements of the coherence of a radiative source, using...
    15 KB (1,888 words) - 17:19, 20 March 2023
  • Thumbnail for Fourier-transform infrared spectroscopy
    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 (4,774 words) - 00:07, 16 June 2024
  • Thumbnail for Fourier transform
    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 (21,038 words) - 21:59, 30 May 2024
  • Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) is an infrared spectroscopy sampling technique used on powder samples without prior...
    2 KB (277 words) - 21:15, 10 May 2024
  • transform Wavelet transform Fourier-transform spectroscopy Harmonic analysis List of transforms List of mathematic operators Bispectrum The Fourier series...
    7 KB (933 words) - 23:28, 7 November 2023
  • Thumbnail for Nuclear magnetic resonance
    computers and the digital fast Fourier transform (FFT). Fourier methods can be applied to many types of spectroscopy. Richard R. Ernst was one of the...
    79 KB (10,087 words) - 20:30, 16 June 2024
  • Thumbnail for Interferometry
    highest-precision length measuring instruments in existence. In Fourier transform spectroscopy they are used to analyze light containing features of absorption...
    96 KB (11,112 words) - 04:29, 18 June 2024
  • Thumbnail for Fourier analysis
    The decomposition process itself is called a Fourier transformation. Its output, the Fourier transform, is often given a more specific name, which depends...
    37 KB (4,733 words) - 18:28, 14 May 2024
  • of Fourier analysis topics and list of Fourier-related transforms, which are more directed towards the classical Fourier series and Fourier transform of...
    3 KB (202 words) - 12:10, 30 October 2023
  • which Fourier inversion recovers a function from its Fourier transform Short-time Fourier transform or short-term Fourier transform (STFT), a Fourier transform...
    2 KB (363 words) - 07:36, 2 June 2024
  • Thumbnail for Michelson interferometer
    operation of a Fourier transform spectrometer, which is essentially a Michelson interferometer with one mirror movable. (A practical Fourier transform spectrometer...
    36 KB (4,357 words) - 17:10, 9 June 2024
  • Thumbnail for Infrared spectroscopy
    of thousands of reference spectra held in storage. Fourier transform infrared (FTIR) spectroscopy is a measurement technique that allows one to record...
    54 KB (6,070 words) - 09:20, 27 May 2024
  • Thumbnail for Spectroscopy
    Fourier-transform infrared spectroscopy is a common implementation of infrared spectroscopy. NMR also employs Fourier transforms. Gamma spectroscopy Hadron...
    42 KB (4,648 words) - 07:22, 31 May 2024
  • Fourier-transform ion cyclotron resonance mass spectrometry is a type of mass analyzer (or mass spectrometer) for determining the mass-to-charge ratio...
    17 KB (2,196 words) - 18:39, 25 March 2024
  • Thumbnail for Fourier series
    The Fourier transform is also part of Fourier analysis, but is defined for functions on R n {\displaystyle \mathbb {R} ^{n}} . Since Fourier's time,...
    68 KB (10,430 words) - 16:21, 10 June 2024
  • absorption spectroscopy, the term diffuse reflectance is firmly entrenched, as in diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and...
    37 KB (5,354 words) - 13:48, 14 June 2024
  • Time stretch dispersive Fourier transform (TS-DFT), otherwise known as time-stretch transform (TST), temporal Fourier transform or photonic time-stretch...
    8 KB (1,000 words) - 06:24, 10 September 2023
  • Thumbnail for Morse potential
    Tiemann (April 2010). "The 1S+1S asymptote of Sr2 studied by Fourier-transform spectroscopy". The European Physical Journal D. 57 (2): 171–177. arXiv:1001...
    22 KB (3,194 words) - 19:02, 15 June 2024
  • Thumbnail for Near-infrared spectroscopy
    calibration. Chemical imaging Fourier transform infrared spectroscopy Fourier transform spectroscopy Functional near-infrared spectroscopy (fNIR/fNIRS) Hyperspectral...
    32 KB (3,748 words) - 15:44, 8 January 2024
  • Thumbnail for Ultraviolet–visible spectroscopy
    spectrophotometer – first UV–Vis instrument Fourier-transform spectroscopy Infrared spectroscopy and Raman spectroscopy are other common spectroscopic techniques...
    34 KB (4,414 words) - 01:56, 4 June 2024
  • Thumbnail for Hadamard transform
    Hadamard transform (also known as the Walsh–Hadamard transform, Hadamard–Rademacher–Walsh transform, Walsh transform, or Walsh–Fourier transform) is an...
    32 KB (4,687 words) - 19:35, 20 May 2024
  • the Fourier transform, used in the area of harmonic analysis Fourier–Deligne transform Fourier–Mukai transform Fourier inversion theorem Fourier integral...
    2 KB (267 words) - 11:51, 21 February 2023
  • Thumbnail for Carbon
    "Fourier Transform Spectroscopy of the Electronic Transition of the Jet-Cooled CCI Free Radical" (PDF). Retrieved 2007-12-06. "Fourier Transform Spectroscopy...
    95 KB (10,843 words) - 15:45, 15 June 2024
  • vary. Fourier Transform Incoherent Broadband Cavity Enhanced Spectroscopy (FT-IBBCEAS) is a variant of IBBCEAS which uses a Fourier transform spectrometer/photodiode...
    30 KB (3,720 words) - 15:52, 21 January 2024
  • the sign of the frequency (see § Relationship with the Fourier transform). The Hilbert transform is important in signal processing, where it is a component...
    58 KB (7,895 words) - 12:24, 11 June 2024
  • Thumbnail for Raman spectroscopy
    most common although Fourier transform (FT) spectrometers are also common for use with NIR lasers. The name "Raman spectroscopy" typically refers to vibrational...
    84 KB (9,829 words) - 07:21, 9 June 2024
  • pioneer of Fourier transform spectroscopy. He was a world-leading expert in physical instrument design, numerical methods as applied to spectroscopy, and in...
    3 KB (273 words) - 19:19, 23 December 2023
  • studies ultra-high resolution spectroscopy using ultrashort pulses of light combined with Fourier-transform spectroscopy to reveal the fine chemistry of...
    6 KB (519 words) - 13:33, 23 March 2024
  • Thumbnail for Attenuated total reflectance
    Attenuated total reflectance (category Infrared spectroscopy)
    accessibility, rapid sample turnaround and ease of use of ATR with Fourier transform infrared spectroscopy (FTIR) has led to substantial use by the scientific community...
    8 KB (967 words) - 17:09, 4 December 2023
  • Thumbnail for Titration
    the remaining titrant and product are quantified (e.g., by Fourier transform spectroscopy) (FT-IR); this is used to determine the amount of analyte in...
    39 KB (4,666 words) - 12:56, 22 May 2024