1) Approximate optimal values
逼近最优值
2) optimal numerical approximation
最优数值逼近
3) optimal approximation
最优逼近
1.
With the view of the optimal approximation for the formed beams, the radiation pattern and the field distribution in the focus zone of Fresnel zone plate antenna approximation with the fields of the linear array have been studied based on the methods of weighted residue and Prony,which suit for the approximation for the real patterns of various Fresnel zone focusing configuration.
从赋形波束最优逼近的观点入手,应用加权余量法和Prony法,研究基于直线阵列激励方式及其阵元空间分布的优化设计,从而实现菲涅尔区板天线辐射波束及焦区场分布的最佳数值逼近技术。
2.
Based on the representation of interval rational Bezier curves and surfaces and by a serial of mathematical transformation, the degree reductions of them are converted to those of polynomials with upper bounds, then several algorithms are presented, with linear programming and optimal approximation methods.
根据区间有理Bezier曲线、曲面的特点，通过一系列数学变换，将其降阶问题转化为多项式的保上界降阶逼近，再应用线性规划和最优逼近方法求解，给出几种逼近算法，并探讨通过约束不等式的松弛，进一步改进逼近效果。
4) best approximatidn
最优一致逼近
5) optimal quadratic approximation
最优平方逼近
6) Approximate optimal solutions sets
逼近最优解集
1.
The stability of approximate optimal solutions sets and the continuity of optimal values of probabilistic constrained programs are obtained under some conditions.
在一定的条件下,得到了概率约束规划逼近最优解集的稳定性和最优值的连续性,从而对近似求解这类问题提供了某种理论依据。
补充资料：最优值
分子式：
CAS号：
性质：在优化过程中所有可能得到的各种量值中的最佳值。
CAS号：
性质：在优化过程中所有可能得到的各种量值中的最佳值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条