• Thumbnail for Conjugate beam method
    The conjugate-beam methods is an engineering method to derive the slope and displacement of a beam. A conjugate beam is defined as an imaginary beam with...
    8 KB (749 words) - 17:29, 14 October 2024
  • Thumbnail for Euler–Bernoulli beam theory
    "Macaulay's method", "moment area method, "conjugate beam method", "the principle of virtual work", "Castigliano's method", "flexibility method", "slope...
    47 KB (7,388 words) - 16:52, 4 April 2025
  • Thumbnail for Shear and moment diagram
    Shear and moment diagram (category Beam theory)
    is that the deflection of a beam can be easily determined using either the moment area method or the conjugate beam method. Although these conventions...
    7 KB (907 words) - 00:05, 5 July 2024
  • are wide, and therefore behave similar to a beam cantilevered up from the ground. Conjugate beam method S. Ramamrutham (1993). Theory of Structures....
    2 KB (239 words) - 19:58, 7 July 2024
  • The scientific method is an empirical method for acquiring knowledge that has been referred to while doing science since at least the 17th century. Historically...
    198 KB (23,335 words) - 04:30, 6 June 2025
  • Thumbnail for Beam splitter
    A beam splitter or beamsplitter is an optical device that splits a beam of light into a transmitted and a reflected beam. It is a crucial part of many...
    25 KB (4,851 words) - 06:49, 15 March 2025
  • Thumbnail for Laser weapon
    "spread beam") to be aimed, though range will suffer if the target is at extreme angles to the surface of the phased array. Using a phase-conjugate laser...
    58 KB (4,369 words) - 17:52, 29 May 2025
  • Thumbnail for Nonlinear optics
    propagation direction and phase variation of a beam of light. The reversed beam is called a conjugate beam, and thus the technique is known as optical phase...
    53 KB (6,736 words) - 22:47, 7 June 2024
  • Thumbnail for Finite element method
    is symmetric and positive definite, so a technique such as the conjugate gradient method is favored. For problems that are not too large, sparse LU decompositions...
    59 KB (7,792 words) - 08:01, 25 May 2025
  • clarity. The intensity of the combined beams is the average value of the complex amplitude times its complex conjugate: I T = ⟨ U T U T ∗ ⟩ = A R 2 + A O...
    39 KB (5,886 words) - 19:27, 9 June 2025
  • Thumbnail for Synthetic-aperture radar
    information of target reflectivity. Doppler Beam Sharpening commonly refers to the method of processing unfocused real-beam phase history to achieve better resolution...
    79 KB (11,260 words) - 07:13, 27 May 2025
  • Square Algorithm Conjugate gradient method Constant Modulus Algorithm Beamforming is spatial signal processing which makes spatial beam focused on the target...
    5 KB (590 words) - 01:51, 23 December 2023
  • Thumbnail for Holography
    distortions a light beam receives when passing through an aberrating medium, by sending it back through the same aberrating medium with a conjugated phase. This...
    66 KB (7,984 words) - 13:22, 15 June 2025
  • of the light source is perfectly defocused in the sample plane and its conjugate image planes. In a ray diagram of the illumination light path, this can...
    9 KB (1,182 words) - 14:34, 18 April 2025
  • beam Direct integration is a structural analysis method for measuring internal shear, internal moment, rotation, and deflection of a beam. For a beam...
    279 KB (31,753 words) - 07:09, 28 January 2025
  • Thumbnail for Ellipse
    the points lie on two conjugate diameters (see below). (If a = b {\displaystyle a=b} , the ellipse is a circle and "conjugate" means "orthogonal".) If...
    90 KB (16,568 words) - 02:58, 12 June 2025
  • three-dimensional isotropic imaging of living cells using Bessel beam plane illumination". Nature Methods. 8 (5): 417–423. doi:10.1038/nmeth.1586. PMC 3626440. PMID 21378978...
    16 KB (1,791 words) - 00:40, 31 May 2025
  • Thumbnail for Astigmatism
    relative to the horizontal meridian). Vertical beams of light focus in front (anterior) to horizontal beams of light, in the eye. This problem may be corrected...
    40 KB (4,315 words) - 16:21, 15 June 2025
  • example use of the conjugate gradient method preconditioned with incomplete Cholesky factorization). The idea behind the ADI method is to split the finite...
    23 KB (3,498 words) - 09:33, 15 April 2025
  • Thumbnail for Nikolay Basov
    A K (1997). "Brillouin-enhanced four-wave-mixing vector phase-conjugate mirror with beam-combining capability". Optics Letters. 22 (6): 360–362. Bibcode:1997OptL...
    13 KB (1,186 words) - 22:21, 13 February 2025
  • Thumbnail for Michelson interferometer
    A K (1997). "Brillouin-enhanced four-wave-mixing vector phase-conjugate mirror with beam-combining capability". Optics Letters. 22 (6): 360–362. Bibcode:1997OptL...
    36 KB (4,366 words) - 02:47, 25 May 2025
  • Thumbnail for Doppler echocardiography
    bifurcation exist. There are two major methods of 2D velocity estimation using ultrasound: Speckle tracking and crossed beam Vector Doppler, which are based...
    15 KB (2,290 words) - 14:57, 8 December 2023
  • Thumbnail for Ultraviolet–visible spectroscopy
    of diverse analytes or sample, such as transition metal ions, highly conjugated organic compounds, and biological macromolecules. Spectroscopic analysis...
    34 KB (4,413 words) - 01:30, 8 May 2025
  • diaphragm in the conjugated focal plane (confocal) that is usually absent in multiphoton microscopes due to difficulties descanning the beam.[according to...
    45 KB (5,265 words) - 13:57, 2 June 2025
  • Thumbnail for Optical tweezers
    tweezers (originally called single-beam gradient force trap) are scientific instruments that use a highly focused laser beam to hold and move microscopic and...
    73 KB (9,516 words) - 18:26, 22 May 2025
  • preconditioned iterative methods for linear systems include the preconditioned conjugate gradient method, the biconjugate gradient method, and generalized minimal...
    22 KB (3,511 words) - 02:49, 19 April 2025
  • Thumbnail for Retroreflector
    systems such as high-power lasers and optical transmission lines. Phase-conjugate mirrors reflect an incoming wave so that the reflected wave exactly follows...
    40 KB (4,519 words) - 04:29, 5 May 2025
  • are then solved with the conjugate gradient least squares method and the simple gradient descent method respectively. The method is stopped when the desired...
    46 KB (5,874 words) - 16:00, 4 May 2025
  • Thumbnail for Coherent addition
    co-workers in 1965. For Nd:YAG laser set beam combination had been realized by means of SBS phase conjugating mirror. The coherent addition was demonstrated...
    7 KB (796 words) - 12:31, 15 February 2024
  • List of algorithms (category Optimization algorithms and methods)
    Hungarian method: a combinatorial optimization algorithm which solves the assignment problem in polynomial time Conjugate gradient methods (see more https://doi...
    72 KB (7,951 words) - 17:13, 5 June 2025