然后介绍了几种标准的数值积分方法。
Then an introduction to the standard numerical integration methods is made.
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.
采用数值积分方法分析了圆口径天线非轴向近场分布特性。
The near-axis field distribution of circular aperture antennas is obtained by numeric integration method.
目前的数值积分方法包括显式积分法与隐式积分法两大类。
Currently, numerical integration methods are explicit method and implicit method.
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.
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.
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.
其次，总结归纳了目前常用的数值积分方法，指出了各种方法的优点和不足之处；
Then some common numerical integration methods have been summarized, and their advantages and disadvantages have been pointed out.
以这些数值积分方法为数学工具，推导出了非线性估计子加权融合滤波器，本文中简称TNF。
With these numerical integration methods as mathematics tools, the new tracking algorithm, non-linear estimators weighted fusion filter, is developed, we call it TNF.
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.
高斯积分法是一个高精度的数值积分方法，它的计算结果精度胜过角柱体法与快速傅利叶法。
The Gaussian quadrature is a highly accurate numerical integrator and yields results that outperform those from the prism method and the FFT method.
在卫星的状态估计过程中应用推广的序列估计算法，借助数值积分方法积分状态向量和协方差矩阵。
For the estimation of satellite state, the extended sequential estimation algorithm was applied. The numerical method was used to integrate state vector and error covariance matrix.
利用高斯数值积分方法，推导了方形活塞辐射阻抗的三重积分表达式，计算了方形活塞声源的辐射阻抗。
Triple integral expression of the radiation impedance of square piston is deduced and the numerical results of the radiation impedance are calculated with the method of Gaussian numerical integral.
应用广义特征线理论得到了沿特征线上的相容方程，并采用数值积分方法分析了有限长圆柱壳的波传问题。
By using the generalized characteristics method, the compatibility equations on the characteristics are obtained. And the wave propagation of the finite length cylindrical shell is analyzed.
该方法采用二级离散复镜像方法求解空间域的格林函数，与直接数值积分方法相比，提高了计算格林函数的速度。
The two-level discrete complex image method is used to compute the spatial Green's Function, and thus improves the speed to compute Green's function compared with the direct integral method.
数值计算结果表明，若采用相同的数值积分方法和积分步长，位移输入模型可获得比加速度输入模型更高的计算精度。
It is found that the displacement input model is more accurate than the generally used acceleration input model, given the same direct integration method and time step.
然后，由虚功原理推导出了整体平衡方程中的广义刚度矩阵和荷载向量的具体表达式，并对其数值积分方法进行了讨论。
Then, the generalized stiffness matrix and load vector in the equilibrium equations are formulated by using the virtual work principle, and the numerical integration method is discussed.
为了实现磁悬浮转子微陀螺的电容检测，使用数值积分方法计算了新型磁悬浮转子微陀螺的电容值与转子倾斜角度的关系。
The relationship between input angle and output differential capacitance is presented for the realization of the capacitance signal detection of micro electromagnetic disk levitating gyroscope.
提出了安全与失效状态含有模糊信息时，广义失效概率计算的数值模拟，及相应的方差估算，并提出了对应的数值积分方法。
A general failure probability simulation and deviation evaluation methods were presented for fuzzy safety state and fuzzy failure state.
频率测深一维问题正演常用的计算方法是数值积分方法，但是这种方法由于利用求和代替积分使得计算速度很慢，精度也较低。
The general method of calculation of E. M. sounding is that of numerical integral. But because of using summation instead of integral, it makes the calculation too slow and precision too low.
文中对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。首先介绍了一种简便实用的计算轮系振动特性的数值积分方法。
This paper proceeds the theoretical and experimental researches on the coupled vibration features of blade-blade wheel system (wheel system) for steam turbines.
数值积分算例表明，该算法得到的积分值精度高，自适应强，是一种有效的数值积分方法，在数值计算和工程实际应用中具有一定的参考和应用价值。
Simulation examples of integral show the algorithm is a validated method with high precision and powerful self-adapting. The algorithm has value in numerical calculation and engineering practice.
给出一个适用于平面断裂力学分析的新边界积分方程，在此方程的基础上建立了边界元数值计算方法。
A new boundary integral equation is introduced to analyze plane elastic problems with cracks, and the boundary element numerical method based on this equation is established.
分别应用平面近似法和积分方法推导出在散心爆轰的数值模拟中，人为粘性系数和空间步长之间的匹配关系。
The matching relation between the viscosity and the mesh size was obtained using planar approximate method and integral method in the numerical modeling of divergent detonation.
用控制容积积分法导出了离散方程，并用数值方法进行了求解。
The discrete equation was deduced by control volume integral method, and realized by numerical method.
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.
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.
在结构动力分析中提出了建立冲量方程并求解的方法，给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。
Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.
第一部分由第二章组成，在该部分用数值积分的方法对螺旋绕组磁场的分布进行了详细的计算。
Part one includes Chapter 2. In this part, detail calculation to magnetic field distribution of spiral winding is taken by numerical integral method.
第一部分由第二章组成，在该部分用数值积分的方法对螺旋绕组磁场的分布进行了详细的计算。
Part one includes Chapter 2. In this part, detail calculation to magnetic field distribution of spiral winding is taken by numerical integral method.
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