A formula of atmospheric refraction error of range measured by difference frequency delay method is presented.
给出了用差频延时法测距的距离折射误差计算公式。
On the basis of this method, and taking advantages of the methods-time-domain translation as well as the window length change, the uniform formula for the phase difference correction is derived.
在此基础上，将窗中心平移法与时域平移和改变窗长法综合应用，推导出相位差校正的统一公式。
A finite difference method in non orthogonal curvilinear coordinate is used for the simulation of two dimensional electrostatic field. The computational formula is derived.
讨论了计算二维静电场的非正交有限差分算法，给出了数值计算公式。
A general formula is derived for a finite-difference method (FDM) with non-uniform grids in a cylindrical coordinate system, and a perfectly matched layer (PML) is used for the boundary treatment.
在均匀格点的基础上，给出了基于柱坐标的全矢量非均匀格点有限差分方法(FDM)，并采用了完美匹配层(PML)边界条件。
Finite difference method is applied, giving formula for the design of close-type air-lubricated guide-ways.
本文采用有限差分法进行分析，提出了闭式导轨的设计计算公式。
On the basis of classic theory and formula, the flier plate action rule was first studied with the method of the numerical difference in characteristic line.
在经典理论及公式的基础上利用特征线数值插分方法对飞板运动规律进行研究。
By use of the time split method, a conservation difference formula is established to find the solution to the shallow water equation based on the finite volume control method from integral equations.
采用二分步法，从积分型方程出发，在有限控制体上建立守恒型差分格式，对二维浅水波方程进行求解。
FDM replace the derivative in control equation with difference formula, and then solve the equation with iterative method, which is simple, intuitionistic and easy to master.
有限差分法利用网格节点的差分公式取代控制方程中的各阶导数，然后利用迭代方法求解差分方程，该方法简单、直观且易于掌握。
The formula for the parameter relative phase difference of the pseudo-random tripe-frequency IP method is draw through calculation and analysis of a established RC model, and a proof is given.
通过对建立的RC模型计算分析，引出了伪随机三频激电法的参数相对相位差的计算公式，并加以论证。
By the perturbation method, the formula of the critical temperature difference may be found and the error of which may also be estimated.
采用摄动理论，本文导出了路面板临界铺设温差的渐近表达式并给出了误差分析。
The accuracy and the existent problem of forward difference method are analyzed on the basis of comparing the transfer function of recursive formula with theoretical transfer function.
本文把四种方法统一写成递归格式，从理论上研究其共性特征，然后从递归公式所构造的数字滤波器的传递函数与理论传递函数比较的角度进行了分析。
The accuracy and the existent problem of forward difference method are analyzed on the basis of comparing the transfer function of recursive formula with theoretical transfer function.
本文把四种方法统一写成递归格式，从理论上研究其共性特征，然后从递归公式所构造的数字滤波器的传递函数与理论传递函数比较的角度进行了分析。
应用推荐