ringing phenomenon
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Ringing rocks — is a phenomenon where rocks have the curious property of resonating like a bell when struck with a hammer or other object. One such place where this can be observed is in Ringing Rocks Park located near Bridgeton, Bucks County, Pennsylvania USA.… … Wikipedia
Ringing — ElectricityIn electrical circuits, ringing is an unwanted oscillation of a voltage or current. It happens when an electrical pulse causes the parasitic capacitances and inductancesFact|date=May 2008 in the circuit (i.e. those that are not part of … Wikipedia
Ringing — Gibbssches Phänomen bei einer Rechteckskurve Als Gibbssches Phänomen oder „Ringing“ bezeichnet man in der Mathematik das typische Verhalten von Fourierreihen in der Umgebung von Sprungsstellen. Entwickelt man eine Fourierreihe aus einer… … Deutsch Wikipedia
Gibbs phenomenon — In mathematics, the Gibbs phenomenon (also known as ringing artifacts), named after the American physicist J. Willard Gibbs, is the peculiar manner in which the Fourier series of a piecewise continuously differentiable periodic function f behaves … Wikipedia
Sigma approximation — In mathematics, σ approximation adjusts a Fourier summation to eliminate the Gibbs phenomenon which would otherwise occur at discontinuities. A σ approximated summation for a series of period T can be written as follows::s( heta) = frac{1}{2} a 0 … Wikipedia
Overshoot (signal) — An illustration of overshoot, followed by ringing and settle time. In signal processing, control theory, electronics, and mathematics, overshoot is when a signal or function exceeds its target. It arises especially in the step response of… … Wikipedia
international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… … Universalium
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium
The Beatles — This article is about the band. For other uses, see The Beatles (disambiguation). Fab Four redirects here. For other uses, see Fab Four (disambiguation) … Wikipedia
Trigonometric integral — Si(x) (blue) and Ci(x) (green) plotted on the same plot. In mathematics, the trigonometric integrals are a family of integrals which involve trigonometric functions. A number of the basic trigonometric integrals are discussed at the list of… … Wikipedia
Square wave — A square wave is a kind of non sinusoidal waveform, most typically encountered in electronics and signal processing. An ideal square wave alternates regularly and instantaneously between two levels. Origins and uses Square waves are universally… … Wikipedia
