• 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) - 05:12, 31 July 2024
  • Thumbnail for Fourier transform
    Quadratic Fourier transform Short-time Fourier transform Spectral density Spectral density estimation Symbolic integration Time stretch dispersive Fourier transform...
    177 KB (20,999 words) - 15:44, 16 November 2024
  • Forensic polymer engineering Nuclear magnetic resonance Time stretch dispersive Fourier transform Infrared spectroscopy Infrared spectroscopy of metal carbonyls...
    15 KB (1,888 words) - 17:19, 20 March 2023
  • stretch transform (AST) also referred to as warped stretch transform is a physics-inspired signal transform that emerged from time stretch dispersive...
    15 KB (2,107 words) - 04:20, 29 January 2023
  • Thumbnail for Phase stretch transform
    detection and classification. PST is related to time stretch dispersive Fourier transform. It transforms the image by emulating propagation through a diffractive...
    12 KB (1,769 words) - 14:21, 4 October 2024
  • detection (computer vision) Time stretch analog-to-digital converter Time stretch dispersive Fourier transform Phase stretch transform Physics-based Feature...
    11 KB (1,403 words) - 05:36, 25 August 2024
  • classification. phase stretch transform is a spin-off from research on the time stretch dispersive Fourier transform. It transforms the image by emulating...
    18 KB (2,031 words) - 05:12, 31 July 2024
  • signal that is stretched in time using dispersive Fourier transform to slow it down such that it can be digitized in real-time. The time stretch happens inside...
    23 KB (2,693 words) - 10:22, 30 August 2024
  • classification. PST is a spin-off from research on the time stretch dispersive Fourier transform. PST transforms the image by emulating propagation through a diffractive...
    35 KB (5,067 words) - 14:29, 16 November 2024
  • Thumbnail for Infrared spectroscopy
    way. A common laboratory instrument that uses this technique is a Fourier transform infrared (FTIR) spectrometer. Two-dimensional IR is also possible...
    53 KB (5,943 words) - 20:45, 16 November 2024
  • modulating function in pulse shapers may be in time domain or a frequency domain (obtained by Fourier transform of time profile of pulse). However, application...
    6 KB (642 words) - 17:50, 3 September 2024
  • like pulse compression, spectrum sniffing, and real-time Fourier transformation, R-ASP is transforming fields such as communication, sensing, radar, and...
    20 KB (2,641 words) - 03:09, 9 November 2024
  • photodiode and a real-time digital oscilloscope. The radiation can also be spectrally resolved with the time-stretch dispersive Fourier transform (TS-DFT), which...
    52 KB (6,096 words) - 16:02, 25 April 2024
  • Thumbnail for Spectroscopy
    R.; Jalali, Bahram (2008). "Real-time spectroscopy with subgigahertz resolution using amplified dispersive Fourier transformation". Applied Physics Letters...
    42 KB (4,615 words) - 16:25, 1 November 2024
  • Thumbnail for Wave equation
    can be analyzed by breaking up the wave into components, e.g. the Fourier transform breaks up a wave into sinusoidal components. Another way to solve...
    60 KB (10,757 words) - 16:20, 20 September 2024
  • Thumbnail for Monochromator
    measurement technique, Fourier transform IR, or FTIR, does not use a monochromator. Instead, the measurement is performed in the time domain, using the field...
    20 KB (2,664 words) - 03:20, 14 September 2024
  • Thumbnail for Turbulence
    û(k) is the Fourier transform of the flow velocity field. Thus, E(k) dk represents the contribution to the kinetic energy from all the Fourier modes with...
    47 KB (5,606 words) - 17:30, 22 November 2024
  • Thumbnail for Group velocity
    a wave packet as a function of position x and time t: α(x,t). Let A(k) be its Fourier transform at time t = 0, α ( x , 0 ) = ∫ − ∞ ∞ d k A ( k ) e i k...
    25 KB (3,501 words) - 11:31, 17 September 2024
  • Thumbnail for Liquid
    hypersound frequencies. According to linear response theory, the Fourier transform of K or G describes how the system returns to equilibrium after an...
    61 KB (7,395 words) - 11:51, 7 September 2024
  • Thumbnail for Cosmic inflation
    equal amount of power to the spectrum of perturbations. Since the Fourier transform is in three dimensions, this means that the variance of a mode goes...
    108 KB (12,912 words) - 15:10, 15 November 2024
  • Thumbnail for Chewing gum
    "Characterization of Birch Wood Pyrolysis Oils by Ultrahigh-Resolution Fourier Transform Ion Cyclotron Resonance Mass Spectrometry: Insights into Thermochemical...
    58 KB (6,494 words) - 22:45, 23 October 2024
  • Thumbnail for Textile stabilization
    scanning electron microscopy–energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR).” (ATR):...
    38 KB (4,975 words) - 22:36, 30 November 2023
  • Thumbnail for Benjamin Franklin
    persecuting Puritans. Her father Peter was "the sort of rebel destined to transform colonial America." As clerk of the court, he was arrested on February...
    211 KB (22,529 words) - 22:31, 17 November 2024
  • Thumbnail for Notre-Dame de Paris
    seven steps alchemists followed in their scientific quest of trying to transform ordinary metals into gold. On each side of the west façade, there are...
    136 KB (14,526 words) - 09:10, 17 November 2024
  • ionization-mass spectrometry and thin-layer chromatography combined with Fourier transform surface enhanced Raman spectroscopy". Chinese Journal of Analytical...
    211 KB (23,775 words) - 05:25, 18 November 2024
  • Thumbnail for Radar
    Radar (section Transit time)
    radar signal processing include time-frequency analysis (Weyl Heisenberg or wavelet), as well as the chirplet transform which makes use of the change of...
    103 KB (12,049 words) - 19:48, 20 November 2024
  • Thumbnail for Dura-Europos
    (XRF), scanning electron microscopy and energy dispersive X-ray spectroscopy (SEM-EDS), Fourier transform infrared spectroscopy (FTIR), and Raman spectroscopy...
    95 KB (12,271 words) - 06:26, 25 October 2024
  • Thumbnail for X-ray crystallography
    properties of the diffraction pattern of a 2D crystal. Picturebook of Fourier Transforms, illustrating the relationship between crystal and diffraction pattern...
    112 KB (11,615 words) - 23:13, 15 October 2024
  • Thumbnail for Transmission electron microscopy
    extent, be experimentally approximated through techniques such as Fourier transforming images of amorphous material, such as amorphous carbon. More recently...
    118 KB (15,058 words) - 13:31, 17 October 2024
  • Thumbnail for History of radar
    amplitude and phase of returns are combined by the signal processor using Fourier transform techniques in forming the image. The overall technique is closely...
    151 KB (22,273 words) - 00:47, 11 November 2024