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- Numerical integration of ordinary integrals and line integrals. 一般的积分以及线积分的数值积分。
- In this paper, 3-D time-domain Green function and its derivations were calculated by using a semi-analytical numerical integral method. 本文在前人工作的基础上,采用了一种半解析的数值求积方法,对三维时域格林函数及其导数作了计算,这种方法十分有效,计算结果令人满意。
- The calculation precision and speed were promoted by avoiding the numerical integral and differential calculation used in approximating the derivation. 避开了数值积分运算和差分替代导数的近似，提高了计算精度和速度。
- Total load was then obtained by graphical or numerical integration. 然后，通过图解积分或数值积分可求得总载荷。
- Numerical integral method to compute magnetic field in MCZ monocrystal furnace is applied and the computing program flowchart and numerical solutions are given in this paper. 本文采用数值积分法计算MCZ单晶炉内的磁场。文中给出了计算程序框图及数值解。
- The general closed-form propagation expressions have been derived for the unapertured case,whereas for the apertured case numerical integral is applicable. 对无光阑情况,推导出较为普遍的解析式;而对有光阑限制情况,数值积分是可行的。
- It is problems that the integral initial values are unknown and how to eliminate the error with the numerical integral in reversion for detecting structure damage. 积分初值的未知、消除数值积分引入的误差是结构损伤反演计算中信号处理的难题。
- In study on structure damage identification in time domain, error of numerical integral will affect directly accuracy of parameters resulted from reversion. 摘要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。
- Secondly, it presents the system of DPD including the theoretical model of DPD, numerical integral methods, parameter selecting and mapping the simulant system to the real system. 接着从DPD的理论模型、数值积分方法、参数的选择以及模拟系统与真实系统之间的映射关系四个方面介绍DPD的方法体系；
- Through Romberg method a numerical integral and data fitting procedure are carried out, the study gets the flown streamline equation by a polynomial of 5 in Cartesian coordinate. 通过Romberg方法进行数值积分，经过数值拟合，得到笛卡儿坐标系下的五次多项式形式流线方程。
- Based on the asymptotic properties for numerical Integral formulas, this paper obtains a class of finite difference methods for solving initial value problems of Odinary Differential Equations, and studies the consistency and stability of new methods. 摘要基于数值积分公式中间点的渐近性质，获得了一类求解常微分方程初值问题有限差分方法，研究了新方法的相容性和稳定性。
- 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. 摘要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。
- These have been developed by the numerical integration of the differential equations of gas motion for a spherical blast wave in air. 这些都是根据空中球形爆震波气体运动的微分方程的数值积分得到的。
- The relativistic Emden functions for n < 0 are obtained by numerical integration. 通过数值积分得到了n<0的相对论性Emden函数。
- Further tabulations, of relevance in statistics and numerical integration, have been added. 用统计和数值积分的关联性的更进一步的制表，已经被增加。
- Use the numerical integration solution based on radiometry and the ray tracing simulation result to do curve fitting. 非线性光波导是指光波导结构中含有折射率会随电场强度而改变的介质。
- The famous Simpson Formula in numerical integration is generalized, and the asymptotic properties of mean value is discussed. 推广了数值积分中著名的辛普生公式,讨论了中值点的渐近性。
- The kitchen is an integral part of a house. 厨房是房子不可缺的部分
- Perhaps the most influential of the early computerlike devices was the Electronic Numerical Integrator and Computer, or ENIAC. 也许早期最具影响力的类似计算机的装置应该是电子数字积分计算机，或简称ENIAC。
- By using the adaptive digitalfiltering method,numerical integration of responsing field of the sonde in plane stratified media has been carried out. 本文采用自适应滤波法对线圈系在平面成层介质中的响应场进行快速求解；
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