• 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...
    23 KB (3,095 words) - 22:00, 25 April 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 (394 words) - 12:42, 8 July 2023
  • at Bell Laboratories, Nyquist did important work on thermal noise ("JohnsonNyquist noise"), the stability of feedback amplifiers, telegraphy, facsimile...
    9 KB (856 words) - 12:31, 4 February 2024
  • 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 (2,942 words) - 22:45, 31 March 2024
  • random interference with information traveling on wires, now called Johnson-Nyquist noise. Johan Erik Bertrand was born in Gothenburg, Sweden on October 2...
    8 KB (825 words) - 16:57, 11 February 2024
  • 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
  • spectral density of the noise is expressed in terms of the temperature (in kelvins) that would produce that level of JohnsonNyquist noise, thus: PNB=kBT{\displaystyle...
    10 KB (1,648 words) - 01:21, 5 April 2024
  • 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 (1,337 words) - 06:41, 10 March 2024
  • JohnsonNyquist noise, thermal noise Nyquist stability criterion, in control theory Nyquist plot, signal processing and electronic feedback Nyquist–Shannon...
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  • 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) - 17:12, 7 April 2024
  • Thumbnail for Pink noise
    Colors of noise Crest factor Fractal Flicker noise JohnsonNyquist noise Noise (physics) Quantum 1/f noise Self-organised criticality Shot noise Sound masking...
    53 KB (6,477 words) - 11:07, 7 April 2024
  • Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort...
    44 KB (4,926 words) - 22:59, 23 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 (3,824 words) - 01:10, 19 March 2024
  • contribute a portion of the 288K earth noise to its overall noise temperature. Noise Temperature JohnsonNyquist noise Federal Standard 1037C MIL-STD-188...
    4 KB (592 words) - 18:33, 27 September 2022
  • 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 (271 words) - 02:49, 19 February 2024
  • Intermodulation noise Internet background noise ITU-R 468 noise weighting Jansky noise JohnsonNyquist noise, Johnson noise Line noise Mode partition noise Neuronal...
    4 KB (342 words) - 12:14, 30 October 2023
  • "mosquito noise" around edges in JPEG and other formats Noise (electronics) in electrical signals JohnsonNyquist noise, in semiconductors Quantum noise Quantum...
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  • Thumbnail for Kelvin
    ultimate noise floor, i.e. the noise temperature. The so-called JohnsonNyquist noise of discrete resistors and capacitors is a type of thermal noise derived...
    36 KB (3,708 words) - 14:51, 27 April 2024
  • Thumbnail for Hardware random number generator
    Sources of noise vary and include: JohnsonNyquist noise ("thermal noise"); Zener noise; avalanche breakdown. The drawbacks of using noise sources for...
    27 KB (3,204 words) - 08:11, 6 February 2024
  • Thumbnail for Noise pollution
    Noise pollution, or sound pollution, is the propagation of noise or sound with ranging impacts on the activity of human or animal life, most of which are...
    100 KB (11,202 words) - 11:51, 16 April 2024
  • Thumbnail for Transimpedance amplifier
    is directly the voltage noise over the feedback resistance. This JohnsonNyquist noise has an RMS amplitude vn,out2¯=4kBTRfΔf.{\displaystyle {\sqrt {\overline...
    12 KB (1,723 words) - 02:38, 20 March 2024
  • Thumbnail for Ohm's law
    resistance are exactly constant; this fluctuation, now known as JohnsonNyquist noise, is due to the discrete nature of charge. This thermal effect implies...
    47 KB (6,024 words) - 14:12, 19 April 2024
  • 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 Image noise
    primarily by JohnsonNyquist noise (thermal noise), including that which comes from the reset noise of capacitors ("kTC noise"). Amplifier noise is a major...
    28 KB (3,482 words) - 20:02, 26 August 2023
  • Thumbnail for Noise barrier
    A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants...
    12 KB (1,432 words) - 12:37, 27 March 2024
  • Brownian motion during his annus mirabilis and Harry Nyquist's explanation in 1928 of Johnson noise in electrical resistors. The fluctuation–dissipation...
    27 KB (4,159 words) - 20:24, 22 April 2024
  • Thumbnail for Microbolometer
    will need to be used. Second, higher resistances comes with higher JohnsonNyquist noise. The two most commonly used IR radiation detecting materials in...
    16 KB (1,827 words) - 10:47, 21 April 2024
  • Thumbnail for Total variation denoising
    known as total variation regularization or total variation filtering, is a noise removal process (filter). It is based on the principle that signals with...
    9 KB (1,247 words) - 03:06, 9 October 2023
  • the Arctic Ocean Gospel of John, in Christian scripture JohnsonNyquist noise, electrical noise generated by random thermal motion in a conductor Jornal...
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  • 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 (1,738 words) - 22:29, 3 January 2024