the sinc function (/ˈsɪŋk/ SINK), denoted by sinc(x), has two forms, normalized and unnormalized. In mathematics, the historical unnormalized sinc function...
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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...
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Applications to Radar" as an ideal cutout operator, together with the sinc function as an ideal interpolation operator, and their counter operations which...
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sinc function scaled to the sample value, x ( n T ) . {\displaystyle x(nT).} Subsequently, the sinc functions are summed into a continuous function....
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Ringing artifacts (section sinc filter)
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...
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}{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...
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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...
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of periodic functions Polar sine – a generalization to vertex angles Sinc function Klein, Felix (1924) [1902]. "Die goniometrischen Funktionen". Elementarmathematik...
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Whittaker–Shannon interpolation formula (redirect from Sinc interpolation)
Whittaker–Shannon interpolation formula or sinc interpolation is a method to construct a continuous-time bandlimited function from a sequence of real numbers. The...
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product of two sinc functions vs. an Airy function, respectively. Conventions: w 0 ( x ) {\displaystyle w_{0}(x)} is a zero-phase function (symmetrical...
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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...
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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...
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origin. Other approximations to the identity of this kind include the sinc function (used widely in electronics and telecommunications) η ε ( x ) = 1 π...
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Maximum and minimum (redirect from Extrema of a function)
Paul. "Minimization and maximization refresher". "The Unnormalized Sinc Function Archived 2017-02-15 at the Wayback Machine", University of Sydney For...
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\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...
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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...
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signal by the rectangular function in the frequency domain or, equivalently, convolution with its impulse response, a sinc function, in the time domain. However...
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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...
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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 ...
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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...
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{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...
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}}\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...
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Sine and cosine (redirect from Sine function)
generalization to vertex angles Proofs of trigonometric identities Sinc function Sine and cosine transforms Sine integral Sine quadrant Sine wave Sine–Gordon...
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Bessel–Clifford function Kelvin functions Legendre function: From the theory of spherical harmonics. Scorer's function Sinc function Hermite polynomials...
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)}=\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...
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Trigonometric integral (redirect from Shi function)
{\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...
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(-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...
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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...
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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...
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