COURBE DE LISSAJOUS PDF

Classification par l’équation cartésienne explicite en y (courbes algébriques): . LISSAJOUS (COURBE OU FIGURE DE/) · LISSE (COURBE/) · LITUUS. équerre f LISP abbr (list processing language) COMP langage de traitement de listes m Lissajous: – figures npl PHYS courbes de Lissajous f pl list’ n COMP.

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Width Height The arrows show the direction of rotation of the Lissajous figure. Two phase-shifted sinusoid inputs are applied to the lisszjous in X-Y mode and the phase relationship between the signals is presented as a Lissajous figure.

Lissajous curve

From Wikimedia Commons, the free media repository. Unsourced material may be challenged and removed. This page was last edited on 4 Marchat A Lissajous curve, that can be expressed in parametric form as: A Lissajous curve is used in experimental tests to determine if a device may be properly categorized as dde memristor.

On larger, more sophisticated audio mixing consoles an oscilloscope may be built-in for this purpose. In the professional audio world, this method is used for realtime analysis of the phase relationship between the left and right channels of a stereo audio signal.

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Retrieved from ” https: From Wikipedia, the free encyclopedia. I created it with the following GNUplo.

Index of /courbes2d/lissajous

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Lissajous figures were sometimes displayed on oscilloscopes meant to simulate high-tech equipment in science-fiction TV shows and movies in the s and s. This family of curves was investigated by Nathaniel Bowditch inand later in more detail by Jules Antoine Lissajous in Rational ratios produce closed connected or “still” figures, while irrational ratios produce figures that appear to rotate. Retrieved 17 September Gnuplot diagrams Lissajous curves.

Prior to modern electronic equipment, Lissajous curves could be generated mechanically lisdajous means of a harmonograph.

courbes en relief

The relation of some Lissajous curves to Chebyshev polynomials is clearer to understand if the Lissajous curve which generates each of them is expressed using cosine functions rather than sine functions. Please help improve this article by adding citations to couurbe sources. This article needs additional citations for verification.

In a sequence towards the end of an episode of Columbo entitled “Make me a Perfect Murder”, the detective sits watching Lissajous curves displayed to music on monitors in a TV outside broadcast van.

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The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. Summary [ edit ] Description Lissajous curve 1by2.

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I created it with the following GNUplot code:. Retrieved from ” https: Lissajous curves can also be generated using an oscilloscope as illustrated.

Index of /courbes2d/lissajous

The figure below summarizes how the Lissajous figure changes over different phase shifts. I created it with the following GNUplot code: This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it.

Not to be confused with spirographswhich are generally enclosed by a circular boundary, whereas Lissajous curves are enclosed by rectangular boundaries. By using this site, you agree to the Terms of Use and Privacy Policy.