quadratic sum
英 [kwɒˈdrætɪk sʌm]
美 [kwɑːˈdrætɪk sʌm]
n. 平方和
双语例句
- The peak responses at different wind azimuths are calculated with the CQC ( complete quadratic combination) method and the SRSS ( square root sum of square) method, and the effects of modal coupling are checked.
采用完全二次型组合法（CQC）和平方总和开方法（SRSS）计算了不同风向角下的峰值响应，说明了模态耦合的影响。 - Quadratic programming method for shape optimization taking square sum of member lenths as objective function
以杆长平方和为目标函数进行形状优化的二次规划方法 - Linear Quadratic Nonzero Sum Differential Games With Random Jumps
带随机跳跃的线性二次非零和微分对策问题 - We adopt method of the minimum squares to fit curved surface with standard curved surface in three dimensional space, the principle is to make it satisfy the quadratic sum of distance from each measuring point to standard curved surface is the minimum.
采用最小二乘法，在三维空间中将实际曲面与标准曲面进行拟合，使其满足每个测量点到标准曲面的距离平方之和达到最小的原理。 - Calculating the Rank of Quadratic Form in Quadratic Sum Resolution
关于平方和分解式中二次型秩数的计算 - Independent variables are diameter class, relative diameter ( RD), number of stems per hectare, basal area per hectare, quadratic mean diameter ( DG), degree of closeness ( P) and sum of squared diameter of larger trees than the predicting diameter class.
自变量有径阶、相对直径、每公顷株数、每公顷断面积、平方平均直径、郁闭度和大于所估径阶的林木直径平方和。 - Both exponential and hyperbola curve regression model can't satisfy the quadratic sum decomposition theorem strictly, but the inverse proportion regression model can satisfy it well.
而且，作者还发现双曲线和指数回归模型的结果不能严格地满足平方和分解定理，反比例回归模型则能精确满足。 - If A is a symmetric positive definite matrix, then the quadratic form x~ TAx can be written as a sum of squares. Equivalently, A is a sum of rank one matrices VV~ T.
若A是对称正定矩阵，则二次型x~TAx能写成平方项的和，即A是秩为1的矩阵VV~T的和。 - 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； - The problem of quadratic sum of some classes of numbers
几类数的平方和问题 - With the basis of the system of nonlinear equations which is established by minimizing the error quadratic sum of theoretical and actual shaded value of the points on the typical surface, the parameters of the illumination models can be firstly determined by means of the least-square procedure.
首先，以典型曲面上各点的理论灰度值与实测灰度值的误差平方和最小为目标建立非线性方程组，以非线性最小二乘理论为基础，通过解非线性方程组确定光照模型各个参数值。 - Admissibility of linear estimator under weighted quadratic sum loss
加权平方和损失下线性估计的可容许性 - 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。 - Each factor's importance is decided by the partial regression quadratic sum produced by regression analysis. The design personnel can get a deeper understanding of the relationships among the product parameters by analyzing whether the factors are common parameter or characteristic parameter.
并根据回归分析得出的各因子偏回归平方和来判断其重要程度，分析哪些因子为平台参数哪些为特征参数，使设计人员对产品参数之间的关系有更深层次认识。 - The quadratic sum of sound pressure of all nodes is used as an error criterion. Then, the secondary sound strength is obtained in the case that the error criterion is a minimum.
误差准则取所有节点声压的平方和，并使误差准则取最小值，计算出次级声源的强度。