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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。
- 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。
- 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。
- 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；
- For structure optimizations, it is often best to use a Fine numerical integration grid for both Medium and Fine quality calculations. 对于结构的优化，中等和高质量计算最好是使用一种精密的网格数值积分进行。
- Data must be sampled from input signals and incorporated into the numerical integration algorithm to calculate the state variables. 外部数据必须从输入信号中采集，并融入到数值积分算法中以计算出状态变量。
- The accuracy and cost time of calculating the Sommerfeld integrals by the present method are compared with those obtained by numerical integration. 根据涡流无损检测中的几组典型数据，比较了用该文方法和直接数值积分法计算并矢格林函数的精度和求解速度。
- 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。
- Abstract : The two frequency method for measurring corrosion reaction resistance based on a. c. impedance and numerical integration has been proposed. 摘要 ： 提出了基于交流阻抗和数值积分原理的二点频率法。
- 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。
- The construction of boundary type cubature is a problem that has been noticed for a very long time in numerical integration. 边界型求积公式是数值积分法研究方向早就被注意的问题。
- A new numerical integration scheme is used for crack-tip element and element intersected by the discontinuity, and it is convenient and can save time. 文中采用一种新的积分方案对裂尖和裂缝贯穿单元进行积分，既方便积分，又可以减少计算量。
- In avoidance phase, we combine avoidance into numerical integration by using preconditioned conjugate gradient method.This speeds up the whole calculation. 在碰撞修正阶段，通过采用预条件共轭梯度法进行数值积分，将碰撞修正直接融合在数值积分过程中，提高了计算速度。
- Numerical techniques were discussed for its numerical solution, to deal with the problems of singularity and oscillation in the numerical integration in spectral doman, etc. 对该模型的数值求解讨论了相应的数值技术，以解决谱域积分中的奇异和振荡问题。
- Put these invoice in numerical order. 把这些发票按其号码顺序放好。
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