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  • Thumbnail for Convolution
    In mathematics (in particular, functional analysis), convolution is a mathematical operation on two functions ( f {\displaystyle f} and g {\displaystyle...
    66 KB (8,752 words) - 15:03, 2 September 2024
  • directly used to compute broad-beam responses by distributing photons over the cross section of the beam. However, convolution can be used in certain cases...
    9 KB (1,674 words) - 17:51, 22 December 2023
  • Thumbnail for Radiation treatment planning
    Different dose calculation models are available, including pencil beam, convolution-superposition and monte carlo simulation, with precision versus computation...
    11 KB (1,306 words) - 02:10, 4 March 2024
  • the time-convolution property of the Fourier transform, multiplication in the time domain is a convolution in the frequency domain. Convolution between...
    30 KB (3,860 words) - 02:41, 15 July 2024
  • Thumbnail for Point spread function
    everywhere in the imaging space, the image of a complex object is then the convolution of that object and the PSF. The PSF can be derived from diffraction integrals...
    24 KB (3,265 words) - 14:04, 25 June 2024
  • Thumbnail for Deconvolution
    In mathematics, deconvolution is the inverse of convolution. Both operations are used in signal processing and image processing. For example, it may be...
    15 KB (1,967 words) - 08:56, 14 February 2024
  • Thumbnail for Airy disk
    diffraction pattern is observed at the detector. The resulting image is a convolution of the ideal image with the Airy diffraction pattern due to diffraction...
    30 KB (4,608 words) - 01:21, 23 July 2024
  • Thumbnail for Dirac delta function
    element for the convolution on tempered distributions, and in fact, the space of compactly supported distributions under convolution is an associative...
    94 KB (14,000 words) - 14:35, 6 September 2024
  • Thumbnail for Diffraction-limited system
    effect of the different parts of an optical system is determined by the convolution of the point spread functions (PSF). The point spread function of a diffraction...
    19 KB (2,454 words) - 23:45, 21 July 2024
  • Cone tracing and beam tracing are a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with thick rays. In ray tracing...
    5 KB (756 words) - 02:05, 2 June 2024
  • Thumbnail for Monte Carlo method for photon transport
    photon transport in biological tissue Monte Carlo method Convolution for optical broad-beam responses in scattering media Monte Carlo methods for electron...
    20 KB (2,854 words) - 19:44, 15 August 2024
  • Thumbnail for Superposition principle
    a beam can be modeled as a linear system where the input stimulus is the load on the beam and the output response is the deflection of the beam. The...
    20 KB (2,722 words) - 02:35, 31 August 2024
  • Thumbnail for Transmission electron microscopy
    Transmission electron microscopy (category Electron beam)
    Transmission electron microscopy (TEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image. The specimen...
    118 KB (15,058 words) - 07:02, 3 September 2024
  • monochromatic beams from a single source always interfere.: 286  Wave sources are not strictly monochromatic: they may be partly coherent. Beams from different...
    33 KB (4,103 words) - 13:10, 4 September 2024
  • Thumbnail for Electron
    electron beam only penetrates to a limited depth before being absorbed, typically up to 5 cm for electron energies in the range 5–20 MeV. An electron beam can...
    153 KB (15,428 words) - 23:23, 26 August 2024
  • source using deep convolutional neural networks. Charge modulation spectroscopy Deconvolution Fluorescence microscope Focused ion beam Focus stacking Laser...
    46 KB (5,298 words) - 06:21, 9 April 2024
  • Thumbnail for Expansion joint
    such as rubber. A bellows is made up of a series of convolutions, with the shape of the convolution designed to withstand the internal pressures of the...
    22 KB (2,519 words) - 03:18, 23 August 2024
  • needed]. The product of two Gaussian functions is a Gaussian, and the convolution of two Gaussian functions is also a Gaussian, with variance being the...
    30 KB (4,946 words) - 13:30, 4 September 2024
  • Thumbnail for Diffraction
    the light diffracted from each of the elements, and is essentially a convolution of diffraction and interference patterns. The figure shows the light...
    49 KB (6,329 words) - 23:44, 21 July 2024
  • alternative derivation gives good insight, but uses Fourier transforms and convolution. To be general, consider a scalar (real) quantity ϕ ( r ) {\displaystyle...
    42 KB (7,575 words) - 18:32, 1 May 2024
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