某些估计只涉及到一重数值积分。
Some of these estimates involve only univariate numerical integrals.
而且，由此自然地推导出单节点数值积分公式。
Therefore the generalized numerical quadrature formula with the single node is deduced naturally.
它是基于数值积分和矩阵最小二乘法的数值方法。
It is based on the numerical integration and matrix least square method.
用数值积分方法求出真近点角与时间的关系曲线。
The relationship between the true anomaly and the time is gotten by the numerical integral method.
为提高数值积分精度，测压孔位置按高斯求积节点布置。
The pressure taps are arranged as the nodes of Gauss numerical integration to improve the accuracy of integral.
开发了普遍极限平衡数值积分解的计算和图形处理程序。
The calculation and figure treatment are programmed according to the integral method of the general limit equilibrium.
讨论了新的近似式计算值与温度积分数值积分结果的偏差。
And its deviation from the values calculated by numerical integrating was discussed.
最后，就其中的数值积分和边界条件处理等问题进行了探讨。
Finally, the numerical integration schemes and the treatment of boundary conditions are discussed.
采用数值积分方法，对裂纹转子的分岔与混饨特性进行了研究。
The bifurcation and chaos of the cracked rotor system are researched by employing the numerical integration method.
本文提出一种交流电动机转子槽下部漏磁导的数值积分计算方法。
In this paper, it is given a numerical integral calculating method of rotor-slot leak - age permeances of alternating electrical machines.
结合运动信号的积分处理提出一种行之有效的稳定化数值积分方法。
An effective stabilized numerical integral method is put forward in conjunction with the integrating processing of motion signals.
讨论了直接利用数值积分提高电偶源电磁测深响应计算精度的方法。
The direct integration method to enhance the calculation accuracy of electromagnetic responses for current dipole source over layered earth is discussed.
多点地震动输入下反应谱组合系数可以采用数值积分计算，但效率低下。
One can calculate response spectrum combination coefficient under multipoint earthquake motion input by numerical integration, but it has a low efficiency.
基于中间点的渐近性质，获得了数值积分的校正公式及其条件误差估计。
Then Based on the asymptotic properties of the intermediate point, corrective formulas of numerical integral and its conditional errors are obtained.
形成单刚矩阵时，不需要在单元域内进行数值积分，容易构造曲边单元。
The numerical integral is not needed in forming element stiffness matrix by the present method. It is easy to constructed curved element.
文章最后对解析方案与数值积分方案进行了比较，并得出了相应的结论。
Finally, a comparison between schemes of analytical integral and numerical integral is made, and a relevant conclusion is reached.
本文研究一类考虑数值积分影响时的一维非线性奇异抛物问题的有限元方法。
Under the effect of numerical integrate, a class of nonlinear parabolic boundary value problems with singular coefficients was considered in this article.
采用一种简单的数值积分动态建模方法建立了大惯性温度传感器的数学模型。
A model of temperature sensors with a great inertia is set up by means of a simple numerical integral method.
提出基于细分和数值积分思想的一种离散的守恒重映方法———质点重映方法。
A discrete conservative remapping algorithm based upon refinement and numerical integrals, named particle remapping algorithm, is presented.
在此基础上，采用数值积分方法分析了凸轮泵的理论排量、容积利用系数等特性。
On this basis, the theoretical flow and effective volumetric rate are calculated with digital integration.
本文推导了使用常单元和线性单元时矩阵元素的解析表还式，从而避免了数值积分。
This paper derives the analytical formulas for elements of the matrices using constant and linear elements Therefore, the numerical integral can be avoided.
在结构损伤识别的时域法研究中，数值积分的误差将直接影响反演参数结果的精度。
In study on structure damage identification in time domain, error of numerical integral will affect directly accuracy of parameters resulted from reversion.
通过很少次数的数值积分，便可以快速准确地遴选出保持系统暂态稳定的控制方案。
With a very few times of numerical integral calculation, the final scheme of emergency control maintaining the transient stability of power systems can be determined.
讨论了与冰晶体压力相关的相变温度变化对空间离散系统数值积分和应力计算的影响。
The paper also deals with the influence of pressure variety of ice crystal on temporal integral step-length and calculation of stress-field.
应力、强度概率密度函数确定可采用应力-强度干涉模型，用公式或数值积分求可靠度。
If probability density functions of stress and strength are definite, stress strength interference model can be used to calculate reliability using formulation or numerical value integration.
利用一个特殊非协调矩形元导出了一个新的使用节点少而代数精度高的非常规数值积分公式。
In this paper, a new unconventional numerical quadrature with fewer node values is established based on a special nonconforming rectangular finite element.
通过对一个给定的数值积分公式进行加速、改进，得到了两类新的精度更高的数值积分公式。
Two new kinds of higher accurate numerical integration formulae is obtained by acceleration and improvement of the given formula.
根据大气阻力摄动的基本原理，给出两种摄动计算方法，即半分析半数伍方法和数值积分方法。
On the basis of the principle of atmospheric drag perturbation this paper describes two methods: numerical method and combining both of analytical and numerical method.
根据大气阻力摄动的基本原理，给出两种摄动计算方法，即半分析半数伍方法和数值积分方法。
On the basis of the principle of atmospheric drag perturbation this paper describes two methods: numerical method and combining both of analytical and numerical method.
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