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Related to quadrature: Quadrature amplitude modulation, Quadrature formula


1. The process of making something square.
2. Mathematics The process of constructing a square equal in area to a given surface.
3. Astronomy A configuration in which the position of one celestial body is 90° from another celestial body as measured from a third body, typically Earth.


1. (Mathematics) maths the process of determining a square having an area equal to that of a given figure or surface
2. the process of making square or dividing into squares
3. (Astronomy) astronomy a configuration in which two celestial bodies, usually the sun and the moon or a planet, form an angle of 90° with a third body, usually the earth
4. (Electronics) electronics the relationship between two waves that are 90° out of phase


(ˈkwɒd rə tʃər, -ˌtʃʊər)

1. the act of squaring.
a. the act or process of finding a square equal in area to a given surface, esp. a surface bounded by a curve.
b. a definite integral.
a. the situation of two heavenly bodies when their longitudes differ by 90°.
b. either of the two points in the orbit of a body, as the moon, midway between the syzygies.
[1545–55; < Latin quadrātūra =quadrāt(us), past participle of quadrāre (see quadrate) + -ūra -ure]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quadrature - the construction of a square having the same area as some other figure
construction - drawing a figure satisfying certain conditions as part of solving a problem or proving a theorem; "the assignment was to make a construction that could be used in proving the Pythagorean theorem"


[ˈkwɒdrətʃəʳ] Ncuadratura f


n (Math, Astron) → Quadratur f
References in classic literature ?
Thine now is all this World, thy vertue hath won What thy hands builded not, thy Wisdom gain'd With odds what Warr hath lost, and fully aveng'd Our foile in Heav'n; here thou shalt Monarch reign, There didst not; there let him still Victor sway, As Battel hath adjudg'd, from this new World Retiring, by his own doom alienated, And henceforth Monarchie with thee divide Of all things, parted by th' Empyreal bounds, His Quadrature, from thy Orbicular World, Or trie thee now more dang'rous to his Throne.
i,v] in Gauss-Turan quadrature formulas with multiple nodes and their generalizations can be found in [15, 18, 28, 37] (see also [13]).
NEC will implement 2048 Quadrature Amplitude Modulation (2048QAM) within its iPASOLINK product family in the second half of 2012.
Among the topics are the abstract framework, co-observations, quadrature rules of interpolatory type, periodic integrands, and problems.
The first Quadrature Booster will be designed and manufactured in 2012.
and made the approximation of the integral by applying standard quadrature rule meant for approximate evaluation of real definite integral(1).
Tim Schamberger, vice president and general manager of Sirenza's signal source division commented, "The design in of the STQ-2016-3 direct quadrature modulator by one of our major European customers is very exciting and illustrates Sirenza's commitment to producing cutting-edge RF components tailored to the changing needs of our customers.
Absolute PWM and incremental quadrature rotary encoder with 8mm shaft
There is an explicit formula for the weights of the associated trigonometric interpolatory quadrature rule, namely
The STQ-2016-3 is a SiGe HBT Direct Quadrature Modulator packaged in the industry standard TSSOP-16.
ADI) today introduced the ADRF6806 and ADRF6807 quadrature demodulators featuring the industry's highest dynamic range and integration, which cover a wide range of IF frequencies used in QAM / QPSK receivers as well as supporting common cellular standards such as W-CDMA / CDMA2000 / LTE, and also microwave point-to-point and point-to-multi-point radio architectures.
One of the goals of this work is to investigate numerical quadrature for the computation of the Frechet derivative of the matrix pth root, [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] (A, E).

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