... 二次规划 quadratic programming 平方和 quadratic sum 热阴极四极管quadrature正交，90度相移，90度相位差；求面积，求积分 quadratron ...
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weighted quadratic sum 加权平方和
residual quadratic sum 残差平方和
quadratic sum decomposition 平方和分解
sum of quadratic ratios 二次比式和
sum of quadratic dispersion 离差平方和
direct sum of quadratic forms [数] 二次型的直和
By introducing theories of matrix, this paper presents a calculation method for the rank of the quadratic form in quadratic sum resolution.
引用矩阵的有关理论，给出了平方和分解式中二次型秩数的计算方法。
At first, noise is reduced by median filtering. Secondly, the DQS (Difference Quadratic Sum) algorithm is presented to restrain the background noise and enhance the targets.
该方法的特点是：首先采用中值滤波来减小噪声，并提出了差方和算法，用以抑制背景噪声并对目标增强；
For the general case, optimal algorithms are presented respectively for minimizing the sum of quadratic completion times and the number of tardy jobs.
在一般情况下，对目标函数为极小化完工时间平方和与极小化总误工数问题分别给出了最优算法。
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