plural of quadrature

The process of making something square; squaring. / (mathematics) The act or process of constructing a square that has the same area as a given plane figure, or of computing that area.

(art) An Italian genre of painting that used architectural elements to create illusions of perspective.

plural of space quadrature

(mathematics) The problem, proposed by ancient Greek geometers, of using a finite ruler-and-compass construction to make a square with the same area as a given circle.

(physics) A difference of a quarter of a wavelength between the spatial positions of two corresponding points in a wave

(sciences, engineering) To combine the magnitude of two uncorrelated signals, usually noise or errors, by taking the square root of the sum of the squares.

plural of quadrature amplitude modulation

(radio) A modulation scheme that conveys data by applying amplitude modulation to two carrier waves at once. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature carriers. Commonly abbreviated QAM.