quadrature

n.

求积，求积分；求积法；求面积；转象差

quadrature amplitude modulation正交调幅

Gaussian quadrature formulas /
Calculation of Gauss quadrature rules
Multiple quadrature underintegrated finite elements
Differential quadrature and long-term integration ☆
Differential Quadrature and Its Application in Engineering
A 900 MHz CMOS LC-oscillator with quadrature outputs
Precision inphase / Quadrature up-down converter structures and methods
Quadrature-Based Methods for Obtaining Approximate Solutions to Nonlinear Asset Pricing Models
A filter family designed for use in quadrature mirror filter banks
Application of generalized differential quadrature to solve two‐dimensional incompressible Navier‐Stokes equations