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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Not to be confused with spirographswhich are generally enclosed by a circular boundary, whereas Lissajous curves are enclosed by rectangular boundaries. The following other wikis use this file: When the input to an LTI system is sinusoidal, the output is sinusoidal with the same frequency, but it dee have a different amplitude and some phase shift.

File:Lissajous curve 1by2.svg

If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

By using this site, you agree to the Terms of Use and Privacy Policy. The beam in some versions traces out a lopsided figure-8 pattern on lissaajous side.

The arrows show the direction of rotation of the Lissajous figure. Views Read Edit View history.

Wikimedia Commons has media related to Lissajous curves. An octopus circuit can be used to demonstrate the waveform images on an oscilloscope. Rational ratios produce closed connected or “still” figures, while irrational ratios produce figures that appear to rotate.


This W3C- unspecified plot was created with Gnu plot. Width Height A Lissajous curve dourbe used in experimental tests to determine if a device may be properly categorized as a memristor.

courbes en relief

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. 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.

Views View Edit History. Gnuplot diagrams Lissajouus curves. Unsourced material may be challenged and removed. 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. 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.

From Wikipedia, the free encyclopedia.

Lissajous curve – Academic Kids

This article needs additional citations for verification. This page was last edited on 24 Octoberat Retrieved from ” https: Retrieved from ” https: This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.

Lissajous figures are sometimes used in graphic design as logos. From Wikimedia Commons, the free media repository. This page was last edited on 4 Marchat A Lissajous curve, that can be expressed in parametric form as: I created it with the following GNUplot code:.


Index of /courbes2d/lissajous

This licensing tag was added to this file as part of the GFDL licensing update. This family of curves was investigated by Nathaniel Bowditch in xourbe, and later in more detail by Jules Antoine Lissajous in In other projects Wikimedia Commons.

You may select the license of your choice. 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.

I, the copyright holder of this work, hereby publish it under the following lossajous. The visual form of these curves is often suggestive of a three-dimensional knotand indeed many kinds of knots, including those known as Lissajous knotsproject to the plane as Lissajous figures. Prior to modern electronic equipment, Lissajous curves could be generated mechanically by means of a harmonograph. The following 2 pages uses this file: Retrieved 17 September Coirbe help to improve this article by introducing more precise citations.

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