• mathematical limits for noise removal are set by information theory. Signal processing noise can be classified by its statistical properties (sometimes...
    7 KB (936 words) - 09:21, 1 May 2025
  • Thumbnail for Signal-to-noise ratio
    Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background...
    25 KB (3,695 words) - 15:34, 24 December 2024
  • Thumbnail for The Signal and the Noise
    The Signal and the Noise: Why So Many Predictions Fail – but Some Don't is a 2012 book by Nate Silver detailing the art of using probability and statistics...
    14 KB (1,631 words) - 02:12, 26 February 2025
  • Thumbnail for White noise
    and statistical forecasting. White noise refers to a statistical model for signals and signal sources, not to any specific signal. White noise draws...
    30 KB (4,020 words) - 16:50, 6 May 2025
  • In mathematics the signal-to-noise statistic distance between two vectors a and b with mean values μ a {\displaystyle \mu _{a}} and μ b {\displaystyle...
    2 KB (254 words) - 14:03, 31 January 2018
  • Thumbnail for Noise (electronics)
    In electronics, noise is an unwanted disturbance in an electrical signal.: 5  Noise generated by electronic devices varies greatly as it is produced by...
    17 KB (2,201 words) - 20:04, 2 March 2025
  • Thumbnail for Signal processing
    video compression. Genomic signal processing In geophysics, signal processing is used to amplify the signal vs the noise within time-series measurements...
    23 KB (2,284 words) - 02:35, 28 April 2025
  • Thumbnail for Johnson–Nyquist noise
    to cryogenic temperatures to improve their signal-to-noise ratio. The generic, statistical physical derivation of this noise is called the fluctuation-dissipation...
    33 KB (3,800 words) - 08:19, 30 April 2025
  • Thumbnail for Colors of noise
    of noise or noise spectrum refers to the power spectrum of a noise signal (a signal produced by a stochastic process). Different colors of noise have...
    29 KB (3,597 words) - 17:25, 25 April 2025
  • Thumbnail for Active noise control
    active noise control is generally achieved through the use of analog circuits or digital signal processing. Adaptive algorithms are designed to analyze...
    10 KB (1,335 words) - 15:57, 16 February 2025
  • Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort...
    41 KB (4,522 words) - 19:59, 2 May 2025
  • Thumbnail for Pink noise
    this file? See media help. Pink noise, 1⁄f noise, fractional noise or fractal noise is a signal or process with a frequency spectrum such that the power spectral...
    55 KB (6,607 words) - 09:20, 23 April 2025
  • engineering, the signal-to-interference-plus-noise ratio (SINR) (also known as the signal-to-noise-plus-interference ratio (SNIR)) is a quantity used to give theoretical...
    8 KB (1,057 words) - 05:10, 9 June 2024
  • Thumbnail for Quantization (signal processing)
    to make the quantization error independent of the input signal, the signal is dithered by adding noise to the signal. This slightly reduces signal-to-noise...
    42 KB (6,363 words) - 05:18, 17 April 2025
  • Thumbnail for Gaussian noise
    In signal processing theory, Gaussian noise, named after Carl Friedrich Gauss, is a kind of signal noise that has a probability density function (pdf)...
    4 KB (409 words) - 23:41, 12 April 2025
  • Adaptive noise cancelling is a signal processing technique that is highly effective in suppressing additive interference or noise corrupting a received...
    32 KB (4,165 words) - 23:10, 10 March 2025
  • Thumbnail for Brownian noise
    noise, is the type of signal noise produced by Brownian motion, hence its alternative name of random walk noise. The term "Brown noise" does not come from...
    9 KB (1,054 words) - 09:22, 23 April 2025
  • Thumbnail for Image noise
    The grain of photographic film is a signal-dependent noise, with similar statistical distribution to shot noise. If film grains are uniformly distributed...
    29 KB (3,591 words) - 06:29, 28 March 2025
  • Matched filter (category Statistical signal processing)
    the signal-to-noise ratio (SNR) in the presence of additive stochastic noise. Matched filters are commonly used in radar, in which a known signal is sent...
    32 KB (5,509 words) - 09:19, 12 February 2025
  • noise arises because of factors such as cognitive biases, mood, group dynamics and emotional reactions. While contrasting statistical bias to noise,...
    40 KB (4,566 words) - 18:00, 3 April 2025
  • Thumbnail for Median filter
    Median filter (category Signal processing)
    technique, often used to remove noise from an image, signal, and video. Such noise reduction is a typical pre-processing step to improve the results of...
    12 KB (1,619 words) - 00:09, 1 April 2025
  • Thumbnail for Total variation denoising
    Total variation denoising (category Signal processing)
    preserving edges whilst smoothing away noise in flat regions, even at low signal-to-noise ratios. For a digital signal x n {\displaystyle x_{n}} , we can...
    9 KB (1,291 words) - 20:53, 5 October 2024
  • estimator Sigma-algebra SigmaStat – software Sign test Signal-to-noise ratio Signal-to-noise statistic Significance analysis of microarrays Silhouette (clustering)...
    87 KB (8,280 words) - 23:04, 12 March 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 Shot noise
    Shot noise also occurs in photon counting in optical devices, where shot noise is associated with the particle nature of light. In a statistical experiment...
    20 KB (2,946 words) - 20:03, 13 April 2025
  • Thumbnail for Noise
    to acoustic noise heard as a hiss. This signal noise is commonly measured using A-weighting or ITU-R 468 weighting. In experimental sciences, noise can...
    28 KB (2,913 words) - 22:54, 19 March 2025
  • degree of confidence or statistical significance. However, the exact threshold (level of decision) used to decide when a signal significantly emerges above...
    17 KB (2,178 words) - 15:30, 3 March 2025
  • Thumbnail for Wow! signal
    detectable. The signal intensity was measured as signal-to-noise ratio, with the noise (or baseline) averaged over the previous few minutes. The signal was sampled...
    33 KB (3,381 words) - 21:02, 18 March 2025
  • Thumbnail for Noise pollution
    source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems. Poor urban planning may give rise to noise disintegration...
    100 KB (11,238 words) - 19:40, 6 April 2025
  • pseudorandom noise (PRN) is a signal similar to noise which satisfies one or more of the standard tests for statistical randomness. Although it seems to lack...
    5 KB (609 words) - 17:23, 13 September 2024