It derives a discrete type of the common differential equations by the use of the finite volume method, and the formulas for the calculation of the coefficients.
用有限体积法推导了通用微分方程的离散形式，并导出了各种离散系数的计算公式。
Based on gear method, this paper presents the numerical calculation method for solving dynamics differential equations of gear systems.
本文基于Gear方法对齿轮系统非线性动力学微分方程进行了数值计算分析。
By combining the continuous power flow method with improved differential evolution calculation, the static voltage stability margin is found via optimal grouping of relevant variables.
在连续潮流法的基础上，结合经过改进的差异进化算法，通过对变量的组合优化，求取系统静态电压稳定安全裕度。
For the analysis and calculation of such kind of bearing the Reynolds' equation is directly solved by the finite differential method with inequal steps.
利用不等步长有限差分法直接求解雷诺方程，进行轴承的分析计算。
A calculation method for motor revolution of integrated differential transmission of tension reducing mill was put forward.
提出了一种集中传动张力减径机传动电机转数计算方法，对比分析了一般理论计算与实际应用的差别。
This paper introduces a set of practical calculation method of change differential gears, which can conveniently calculate the optimum teeth number of change gears with high accuracy.
本文介绍了一套比较实用的挂轮计算方法，可方便地计算出高精度挂轮的优化齿数。
The effect of the differential strata in half-space on the damping is analyzed by theory of wave scattering, and the practical calculation method is presented.
并由波的散射原理，分析了土层差异对半空间阻尼的影响效应，提出了工程实用计算方法。
When the speed pulse signal is provided, a calculation of the speed curve is achieved using first order digital differential method and the lease square of five points three times smoothing approach.
对于有转速脉冲信号的情况，实现了基于一阶数字微分和最小二乘五点三次平滑方法的转速曲线计算方法。
Setting calculation method of line differential protection and calculation examples are given as well.
最后结合实例总结了相关保护定值的整定计算方法。
Numerical solution of differential equations method, Includes the modulation, demodulation, signal to noise ratio calculation, it draws on principal component analysis algorithm (PCA).
微分方程组数值解方法，包括调制，解调，信噪比计算，借鉴了主成分分析算法(PCA)。
The numerical calculation shows that it is effective to use the method in the control of a high dimensional differential dynamical system.
计算结果表明，该方法对高维微分动力系统中的混沌控制是有效的。
Differential coefficient method together with distribution parameter estimation is put forward, so that the data processing may be implemented on a computer, thus greatly reducing calculation.
提出了在用改进雨流计数法进行载荷数据统计时结合载荷分布参数估计的变差系数法，可简化统计处理过程，提高计算速度。
Using the comparison method, an approximate approach to the delay-differential equations is proposed in this paper. The proof of its convergence and calculation stability is also given.
本文应用比较方法，提出滞后型泛函微分方程初始问题的近似解法，给出了解的近似迭代序列及其误差估计式，并证明迭代序列的收敛性和计算稳定性。
Using the comparison method, an approximate approach to the delay-differential equations is proposed in this paper. The proof of its convergence and calculation stability is also given.
本文应用比较方法，提出滞后型泛函微分方程初始问题的近似解法，给出了解的近似迭代序列及其误差估计式，并证明迭代序列的收敛性和计算稳定性。
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