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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Index of /courbes2d/lissajous

Rational ratios produce closed connected or “still” figures, while irrational ratios produce figures that appear to rotate. 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.

Not to be confused with spirographswhich are generally enclosed by a circular boundary, whereas Lissajous curves are enclosed by rectangular boundaries. 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. This article needs additional citations for verification. Retrieved 17 September By using this site, you agree to the Terms of Use and Privacy Policy.

A Lissajous curve is used in experimental tests to determine if a device may be properly categorized as a memristor. From Wikimedia Commons, the free media repository. A Lissajous curve, that can be expressed in parametric form as: The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. Lissajous curves can also be generated using an oscilloscope as illustrated.

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Lissajous curve

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An octopus circuit can be used to demonstrate the waveform images on an oscilloscope. I, the copyright holder of this work, hereby lisssajous it under the following licenses:.

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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. Retrieved from ” https: Please help to improve this article by introducing more precise citations. If the file has been modified from its original kissajous, some details such as the timestamp may not fully reflect those of the original file.

Description Lissajous curve 1by2. The arrows show the direction courbee rotation of the Lissajous figure. Views View Edit History. The following 2 pages uses this file: You may select the license of your choice.

Index of /courbes2d/lissajous

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. 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.

When the input to an LTI system is sinusoidal, the output is sinusoidal corube the same frequency, but it may have a different amplitude and some phase shift. Liasajous figures are sometimes used in graphic design as logos.

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