• Thumbnail for Johnson–Nyquist noise
    JohnsonNyquist noise (thermal noise, Johnson noise, or Nyquist noise) is the electronic noise generated by the thermal agitation of the charge carriers...
    33 KB (3,800 words) - 08:19, 30 April 2025
  • random interference with information traveling on wires, now called JohnsonNyquist noise. Johan Erik Bertrand was born in Gothenburg, Sweden on October 2...
    8 KB (843 words) - 21:20, 14 May 2025
  • at Bell Laboratories, Nyquist did important work on thermal noise ("JohnsonNyquist noise"), the stability of feedback amplifiers, telegraphy, facsimile...
    9 KB (862 words) - 10:00, 4 September 2024
  • Thumbnail for Gaussian noise
    noise coming from many natural sources, such as the thermal vibrations of atoms in conductors (referred to as thermal noise or JohnsonNyquist noise)...
    4 KB (409 words) - 23:41, 12 April 2025
  • JohnsonNyquist noise, thermal noise Nyquist stability criterion, in control theory Nyquist plot, signal processing and electronic feedback Nyquist–Shannon...
    793 bytes (118 words) - 06:53, 18 March 2020
  • noise comes from many natural noise sources, such as the thermal vibrations of atoms in conductors (referred to as thermal noise or JohnsonNyquist noise)...
    15 KB (2,962 words) - 11:59, 26 October 2023
  • Thumbnail for Y-factor
    technique for measuring the gain and noise temperature of an amplifier. It is based on the JohnsonNyquist noise of a resistor at two different, known...
    2 KB (272 words) - 11:40, 29 June 2024
  • phonon noise can significantly contribute to the total noise. Although JohnsonNyquist noise shares many similarities with phonon noise (e.g. the noise spectral...
    4 KB (543 words) - 22:37, 6 August 2022
  • Thumbnail for Active noise control
    Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition...
    10 KB (1,335 words) - 15:57, 16 February 2025
  • Thumbnail for Isotropic radiator
    antenna and is reradiated into the cavity. The resistor also produces JohnsonNyquist noise current due to the random motion of its molecules at the temperature...
    21 KB (2,488 words) - 17:31, 29 March 2025
  • Thumbnail for Shot noise
    shot noise is often less significant as compared with two other noise sources in electronic circuits, flicker noise and JohnsonNyquist noise. However...
    20 KB (2,957 words) - 04:09, 15 May 2025
  • "mosquito noise" around edges in JPEG and other formats Noise (electronics) in electrical signals JohnsonNyquist noise, in semiconductors Quantum noise Quantum...
    7 KB (936 words) - 09:21, 1 May 2025
  • Intermodulation noise Internet background noise ITU-R 468 noise weighting Jansky noise JohnsonNyquist noise, Johnson noise Line noise Mode partition noise Neuronal...
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  • Thumbnail for Transimpedance amplifier
    is directly the voltage noise over the feedback resistance. This JohnsonNyquist noise has an RMS amplitude v n , o u t 2 ¯ = 4 k B T R f Δ f . {\displaystyle...
    12 KB (1,824 words) - 06:19, 23 May 2025
  • spectral density of the noise is expressed in terms of the temperature (in kelvins) that would produce that level of JohnsonNyquist noise, thus: P N B = k B...
    10 KB (1,719 words) - 01:21, 5 April 2024
  • Thumbnail for Noise (electronics)
    such as conductance fluctuations, including 1/f noise. JohnsonNyquist noise (more often thermal noise) is unavoidable, and generated by the random thermal...
    17 KB (2,201 words) - 20:04, 2 March 2025
  • Thumbnail for Kelvin
    to an ultimate noise floor, i.e. the noise temperature. The JohnsonNyquist noise of resistors (which produces an associated kTC noise when combined with...
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  • electromagnetic field fluctuations, (blackbody radiation in free space, JohnsonNyquist noise in wires) Mathematically an asymptotic analysis is performed when...
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  • On maritime vessels, noise and vibration are not the same but they have the same origin and come in many forms. The methods to handle the related problems...
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  • Thumbnail for Pink noise
    Colors of noise Crest factor Fractal Flicker noise JohnsonNyquist noise Noise (electronics) Quantum 1/f noise Self-organised criticality Shot noise Sound...
    55 KB (6,607 words) - 18:52, 23 May 2025
  • Thumbnail for Neuronal noise
    response variability exist for neurons and neural networks: Thermal noise: JohnsonNyquist noise occurs due to the thermal motions of ions and other charge carriers...
    18 KB (2,370 words) - 00:01, 27 April 2024
  • Thumbnail for Joule heating
    Resistors create electrical noise, called JohnsonNyquist noise. There is an intimate relationship between JohnsonNyquist noise and Joule heating, explained...
    33 KB (3,839 words) - 13:31, 14 May 2025
  • Thumbnail for Soundproofing
    Soundproofing (category Noise reduction)
    absorption, or using active anti-noise sound generators. Acoustic quieting and noise control can be used to limit unwanted noise. Soundproofing can reduce the...
    22 KB (2,523 words) - 19:02, 19 May 2025
  • Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics...
    9 KB (1,190 words) - 00:27, 26 October 2023
  • Thumbnail for Health effects from noise
    Noise health effects are the physical and psychological health consequences of regular exposure to consistent elevated sound levels. Noise from traffic...
    42 KB (4,696 words) - 13:54, 24 February 2025
  • Thumbnail for Shockley diode equation
    The Shockley equation doesn't model noise (such as JohnsonNyquist noise from the internal resistance, or shot noise). The Shockley equation is a constant...
    12 KB (1,866 words) - 09:49, 24 April 2025
  • Thumbnail for Bell Labs
    thermal noise in a resistor was first measured by John B. Johnson, for which Harry Nyquist provided the theoretical analysis; this is now termed Johnson-Nyquist...
    116 KB (12,238 words) - 01:31, 7 May 2025
  • Brownian motion during his annus mirabilis and Harry Nyquist's explanation in 1928 of Johnson noise in electrical resistors. The fluctuation–dissipation...
    29 KB (4,352 words) - 09:47, 8 March 2025
  • contribute a portion of the 288 K Earth noise to its overall noise temperature. Noise Temperature JohnsonNyquist noise Federal Standard 1037C MIL-STD-188...
    4 KB (568 words) - 15:21, 14 May 2025
  • the Arctic Ocean Gospel of John, in Christian scripture JohnsonNyquist noise, electrical noise generated by random thermal motion in a conductor Jornal...
    844 bytes (154 words) - 09:32, 28 April 2025