• Thumbnail for Sinc function
    the sinc function (/ˈsɪŋk/ SINK), denoted by sinc(x), has two forms, normalized and unnormalized. In mathematics, the historical unnormalized sinc function...
    22 KB (3,250 words) - 15:39, 12 June 2025
  • Thumbnail for Sinc filter
    In signal processing, a sinc filter can refer to either a sinc-in-time filter whose impulse response is a sinc function and whose frequency response is...
    10 KB (1,305 words) - 14:41, 27 April 2025
  • Thumbnail for Rectangular function
    Applications to Radar" as an ideal cutout operator, together with the sinc function as an ideal interpolation operator, and their counter operations which...
    10 KB (1,625 words) - 21:11, 28 May 2025
  • Thumbnail for Nyquist–Shannon sampling theorem
    sinc function scaled to the sample value, x ( n T ) . {\displaystyle x(nT).} Subsequently, the sinc functions are summed into a continuous function....
    51 KB (6,832 words) - 13:56, 14 June 2025
  • Thumbnail for Ringing artifacts
    time domain, the cause of this type of ringing is the ripples in the sinc function, which is the impulse response (time domain representation) of a perfect...
    26 KB (3,411 words) - 05:17, 22 July 2023
  • }{N}}\right)\right)} If we introduce the normalized sinc function sinc ⁡ ( x ) = sin ⁡ ( π x ) π x {\textstyle \operatorname {sinc} (x)={\frac {\sin(\pi x)}{\pi x}}} for...
    38 KB (5,603 words) - 22:13, 6 March 2025
  • Thumbnail for Lanczos resampling
    copy of the Lanczos kernel, which is a sinc function windowed by the central lobe of a second, longer, sinc function. The sum of these translated and scaled...
    13 KB (1,496 words) - 15:12, 22 May 2025
  • Thumbnail for Trigonometric functions
    of periodic functions Polar sine – a generalization to vertex angles Sinc function Klein, Felix (1924) [1902]. "Die goniometrischen Funktionen". Elementarmathematik...
    77 KB (10,740 words) - 23:12, 14 June 2025
  • Whittaker–Shannon interpolation formula or sinc interpolation is a method to construct a continuous-time bandlimited function from a sequence of real numbers. The...
    6 KB (785 words) - 20:38, 15 February 2025
  • Thumbnail for Window function
    product of two sinc functions vs. an Airy function, respectively. Conventions: w 0 ( x ) {\displaystyle w_{0}(x)} is a zero-phase function (symmetrical...
    74 KB (8,872 words) - 22:12, 11 June 2025
  • Thumbnail for Dirichlet integral
    Dirichlet integral (category Special functions)
    Gustav Lejeune Dirichlet, one of which is the improper integral of the sinc function over the positive real number line. ∫ 0 ∞ sin ⁡ x x d x = π 2 . {\displaystyle...
    15 KB (2,928 words) - 23:02, 26 April 2025
  • Thumbnail for Removable singularity
    Removable singularity (category Analytic functions)
    the resulting function is regular in a neighbourhood of that point. For instance, the (unnormalized) sinc function, as defined by sinc ( z ) = sin ⁡ z...
    5 KB (941 words) - 09:32, 7 November 2023
  • Thumbnail for Dirac delta function
    origin. Other approximations to the identity of this kind include the sinc function (used widely in electronics and telecommunications) η ε ( x ) = 1 π...
    96 KB (14,230 words) - 16:33, 16 June 2025
  • Thumbnail for Maximum and minimum
    Paul. "Minimization and maximization refresher". "The Unnormalized Sinc Function Archived 2017-02-15 at the Wayback Machine", University of Sydney For...
    17 KB (2,094 words) - 05:37, 23 March 2025
  • Thumbnail for Sigma approximation
    \right)\right],} in terms of the normalized sinc function: sinc ⁡ x = sin ⁡ π x π x . {\displaystyle \operatorname {sinc} x={\frac {\sin \pi x}{\pi x}}.} a k...
    3 KB (369 words) - 16:25, 11 January 2025
  • Thumbnail for Overshoot (signal)
    step function by the integral up to a certain frequency, which yields the sine integral. This can be interpreted as convolution with the sinc function; in...
    8 KB (952 words) - 11:47, 22 March 2025
  • signal by the rectangular function in the frequency domain or, equivalently, convolution with its impulse response, a sinc function, in the time domain. However...
    32 KB (4,696 words) - 20:25, 28 February 2025
  • Thumbnail for Arg max
    Arg max (category Inverse functions)
    if and only if x − 5 = 0. {\displaystyle x-5=0.} "The Unnormalized Sinc Function Archived 2017-02-15 at the Wayback Machine", University of Sydney Rockafellar...
    9 KB (1,500 words) - 07:15, 27 May 2024
  • Thumbnail for Bessel function
    zeroth spherical Bessel function j0(x) is also known as the (unnormalized) sinc function. The first few spherical Bessel functions are: j 0 ( x ) = sin ⁡...
    76 KB (12,308 words) - 06:31, 12 June 2025
  • filter or interpolation functions, as though the data were a two dimensional function of continuous x and y. The sinc function of the radius has too long...
    24 KB (3,270 words) - 00:06, 28 April 2025
  • Thumbnail for Triangular function
    {a}^{2}\ \mathrm {sinc} ^{2}(a\cdot f)={a}\ \mathrm {sinc} ^{2}(a\cdot f).\end{aligned}}} Källén function, also known as triangle function Tent map Triangular...
    6 KB (998 words) - 12:23, 26 January 2025
  • Thumbnail for Double-slit experiment
    }}\right]~\mathrm {sinc} ^{2}\left[{\frac {\pi b\sin \theta }{\lambda }}\right]\end{aligned}}} where the sinc function is defined as sinc(x) = sin(x)/x for...
    78 KB (8,687 words) - 23:57, 7 June 2025
  • Thumbnail for Sine and cosine
    generalization to vertex angles Proofs of trigonometric identities Sinc function Sine and cosine transforms Sine integral Sine quadrant Sine wave Sine–Gordon...
    55 KB (7,064 words) - 00:33, 30 May 2025
  • Bessel–Clifford function Kelvin functions Legendre function: From the theory of spherical harmonics. Scorer's function Sinc function Hermite polynomials...
    10 KB (1,065 words) - 15:31, 16 June 2025
  • Thumbnail for Fourier transform
    )}=\operatorname {sinc} (\xi )} is sometimes used to express that the Fourier transform of a rectangular function is a sinc function, or F ( f ( x + x...
    177 KB (21,313 words) - 02:31, 2 June 2025
  • Thumbnail for Trigonometric integral
    {\frac {\sin(t)}{t}}} is the sinc function, and also the zeroth spherical Bessel function. Since sinc is an even entire function (holomorphic over the entire...
    18 KB (3,289 words) - 05:51, 19 May 2025
  • Thumbnail for Gamma function
    (-z)={\frac {\pi z}{\sin(\pi z)}}={\frac {1}{\operatorname {sinc} (z)}}} using the normalized sinc function; while the multiplication theorem becomes: Π ( z m...
    90 KB (13,517 words) - 14:18, 9 June 2025
  • sufficirent is the sinc function, which is defined by ⁠ sinc ⁡ ( 0 ) = 1 {\displaystyle \operatorname {sinc} (0)=1} ⁠ and ⁠ sinc ⁡ ( x ) = sin ⁡ x x {\displaystyle...
    63 KB (9,309 words) - 11:22, 27 May 2025
  • Thumbnail for Pulse wave
    x(t)} can be written using the Sinc function, using the definition sinc ⁡ x = sin ⁡ π x π x {\displaystyle \operatorname {sinc} x={\frac {\sin \pi x}{\pi...
    6 KB (713 words) - 14:46, 17 May 2025
  • Thumbnail for Sombrero function
    A sombrero function (sometimes called besinc function or jinc function) is the 2-dimensional polar coordinate analog of the sinc function, and is so-called...
    2 KB (252 words) - 20:29, 20 April 2025