查询词典 summation

A transformation formula containing four independent bases is found and applied to derive a few summation formulas for basic hypergeometric series.

由此说明我们又找到了一个新的证明和发现Rogers-Ramanujan型恒等式的有效方法。

Aiming at characteristics of land subsidence in Harbin City , based on investigation of settlement traces, the author used the layerwise summation method from the Rock Soil Engineering Reconnaissance Specification to calculate settling volumes of two infundibulum center regions, where are the Heavy Machinery Plant and Jiancaoling Town.

针对哈尔滨市区地面沉降特点，根据地面沉降痕迹调查，利用岩土工程勘察规范中的"分层总和"法，分别对两个漏斗中心重型机器厂和菅草岭的沉降量进行计算。

The individual action regulation that problem of enterprise interior ethics is industry member and the summation that its are not cooperative rich play chess to concern.

企业内部伦理问题是企业成员的个体行为规则及其非合作博弈关系的总和。

Governmental action is the summation of the content of government organization and activity of its staff member, limits, means, it is all sorts of administrative jussive carrier, its move to follow the change of economic system and be adjusted ceaselessly.

政府行为是政府机关及其工作人员活动的内容、范围、方式的总和，是各种行政命令的载体，其运行随经济体制的变化而不断调整。

This can be expressed by where X i and x i are undeformed and deformed positions of a point in direction i respectively,d ij denotes the Kronecker delta,and the summation convention of summing on all repeated indices is used.

E ij [15，16]。这个可以用下面的式子来表达一个点Xi和xi在各自方向上未变形的和变形的位置 dij表示克罗内克δ，使用反复连续指数的求和。

In Chapter 4, by some important summation formulas, we prove some results of number theory, such as Jacobi two square numbers theorem and Lagrange four square numbers theorem.

第四章：应用第二章介绍的几个重要求和公式，证明了数论中的若干结果。

This book reviews the many areas of numerical analysis, including the configuration polynomial, finite difference, factorial polynomials, summation, Newton formula, operator and configuration polynomial, Cheung section, close polynomials, TaylM more item type, interpolation, numerical differentiation, numerical integration, and with the series, differential equations, differential equations, least squares polynomial approximation, minimax polynomial approximation, rational function approximation, triangular approximation, non-linear algebra, linear equations, linear programming, boundary value problems, MonteCarIo methods and so on.

本书综述了数值分析领域的诸多内容，包括配置多项式、有限差分、阶乘多项式、求和法、Newton公式、算子与配置多项式、祥条、密切多项式、TaylM多项式、插值、数值微分、数值积分、和与级数、差分方程、微分方程、最小二乘多项式逼近、极小化极大多项式逼近、有理函数逼近、三角逼近、非线性代数、线性方程组、线性规划、边值问题、MonteCarIo方法等内容。本书的特色主要表现在利用例题及大量详细的题解来透彻地阐明所述内容的内涵，同时附有大量的补充题以便读者进一步巩固和深化从书中获得的数值分析知识。

A beamforming algorithm of array with virtual based on least squares estimator is presented, and the modified algorithm is proposed further. In this thesis, we also study the beamforming algorithm of array with virtual elements based on time delay and summation.

提出了基于线性预测的虚拟阵元波束形成方法，提出了基于最小二乘估计的虚拟阵元波束形成方法，并进一步提出了基于最小二乘估计的虚拟阵元波束形成方法的改进方法，最后研究了延迟求和虚拟阵元波束形成方法。

The effects of beamforming algorithm of array with virtual elements based on linear prediction, on modified least squares estimator, and on time delay and summation are thoroughly studied via 1998's Songhua Lake experiment. The

分别应用基于线形预测的虚拟阵元波束形成算法，基于改进最小二乘估计虚拟阵元波束形成算法和延迟求和虚拟阵元波束形成算法，对1998年松花湖湖试数据进行了预成多波束处理，实验数据的处理验证了本文所提方法的可行性和优越性。

To improve the computational efficiency,the scattering phase function is expanded and truncated as the summation of orthogonal polynomials such as Legendre function.

在有限计算资源的限制下，寻找最优的有限展开算法，获得能量守恒物理要求下的散射方向特征的准确性，是多年来辐射传输算法的追求目标。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。