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quadrature - translation to french
WIKIMEDIA DISAMBIGUATION PAGE
Quadrature (disambiguation)
quadrature
n. quadrature
Definition
Quadrature
·adj A quadrate; a square.
II. Quadrature ·adj The integral used in obtaining the area bounded by a curve; hence, the definite integral of the product of any function of one variable into the differential of that variable.
III. Quadrature ·adj The position of one heavenly body in respect to another when distant from it 90°, or a quarter of a circle, as the moon when at an equal distance from the points of conjunction and opposition.
IV. Quadrature ·adj The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas.
Wikipedia
Quadrature
Quadrature may refer to:
In signal processing:
- Quadrature amplitude modulation (QAM), a modulation method of using both an (in-phase) carrier wave and a 'quadrature' carrier wave that is 90° out of phase with the main, or in-phase, carrier
- Quadrature phase, oscillations that are said to be in quadrature if they are separated in phase by 90° (π/2, or 𝜆/4)
- Quadrature filter, the analytic signal of a real-valued filter
- Quadrature phase-shift keying (QPSK), a phase-shift keying of using four quadrate points on the constellation diagram, equispaced around a circle
In mathematics:
- Quadrature (mathematics), drawing a square with the same area as a given plane figure (squaring) or computing that area
- Quadrature of the circle
- Numerical integration is often called 'numerical quadrature' or simply 'quadrature'
- Gaussian quadrature, a special case of numerical integration
- Formerly, a synonym for "integral"
- Integral
- Antiderivative
- Addition in quadrature, combining the magnitude of uncorrelated signals by taking the square root of the sum of their squares
In physics:
- In Optical phase space, quadratures are operators which represent the real and imaginary parts of the complex amplitude; see also in-phase and quadrature components
In astronomy:
- Quadrature (astronomy), the position of a body (moon or planet) such that its elongation is 90° or 270°; i.e., the body-earth-sun angle is 90°
In Hedge-funds:
- Quadrature (hedge-fund), the quant hedge-fund created in 2010, in London, England.
Quadrature may also refer to:
- Quadrature encoder, a device that detects mechanical position changes and direction of movement
- Illusionistic ceiling painting, sometimes called quadrature after the Italian term, quadratura
- La Quadrature du Net (Squaring of the Net in French), a French advocacy group that promotes digital rights and freedoms of citizens
- "Quadrature", a song by Squarepusher from the album Just a Souvenir
Examples of use of quadrature
1. La résolution de la quadrature du cercle en quelque sorte.
2. Pour Obama, c‘est un peu la quadrature du cercle.
3. Concevoir un mouvement, c‘est la quadrature du cercle.
4. De plus, conjuguer vie familiale et carri';re rel';ve actuellement de la quadrature du cercle.
5. La coordination du tout ressemble un peu ŕ la quadrature du cercle.