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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A Lissajous curve, that can be expressed in parametric form as: The relation of some Lissajous courbf 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.
Index of /courbes2d/lissajous
Two phase-shifted sinusoid inputs are applied to the oscilloscope in X-Y mode and the phase relationship between the signals is presented as a Lissajous figure. Lissajius figure below summarizes how the Lissajous figure changes over different phase shifts.
The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. Description Lissajous curve 1by2. An octopus circuit can be lisssajous to demonstrate the waveform images on an oscilloscope. On larger, more sophisticated audio mixing consoles an oscilloscope may be built-in for this purpose.
The arrows show the direction of rotation of the Lissajous figure.
Not to be confused with spirographswhich are generally enclosed by a couebe boundary, whereas Lissajous curves are enclosed by rectangular boundaries. 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. 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.
In other projects Wikimedia Commons. 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. A Lissajous curve is used in experimental tests to determine if a device may be properly categorized as a memristor. Unsourced material may be challenged and removed. This page was last edited on 24 Octoberat From Wikimedia Commons, the free media repository.
Please help to improve this article by introducing more precise citations. This page was last edited on 4 Marchat This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.
Views Read Edit View history. The beam in some versions traces out a lopsided figure-8 pattern on its side. 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.
You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you lissajois your use. I created it with the following GNUplot code: Wikimedia Commons has media related to Lissajous curves.
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Prior to modern electronic equipment, Lissajous curves could be generated mechanically by means of a harmonograph. This article needs additional citations for verification. This licensing tag was added to this pissajous as part of the GFDL licensing update. From Wikipedia, the free encyclopedia. Articles needing additional references from November All articles lisssajous additional references All articles with unsourced statements Articles with unsourced statements from September Articles lacking in-text citations from November All articles lacking in-text citations Commons category link is on Wikidata Wikipedia articles with NDL identifiers Articles containing video clips.
November Learn how and when to remove this template message. Gnuplot diagrams Lissajous curves. I created it with the following GNUplot code:.
Retrieved 17 September Rational ratios produce closed connected or “still” figures, while irrational ratios produce figures that appear to rotate. Retrieved from ” https: You may select the license of your choice.
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