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- It can be implemented by simple finite difference scheme with a significantly larger time step. 模型允许选取较大的时间步长，可以用简单的有限差分格式实现。
- The numerical simulation of this model was analyzed through first-order upwind difference scheme and QUICK scheme. 通过一阶迎风格式及QUICK格式,求解出该模型的数值解。
- A clase of leap-frog finite difference scheme with higher stability propertiesfor a hyperbolic equation Ut+aUx=0 are proposed in this paper. 本文提出了一种数值求解双曲方程Ut+aUx=0的高稳定性蛙跳显格式。
- In order to capture the shock wave, Murman Cole type of finite difference scheme is used to calculate spatial source distribution. 用 Murman- Cole差分格式计算空间场源强度 ,以捕捉激波。
- The energy equations of the oil film and the bush are solved simultaneously by using an efficient finite difference scheme. 用一有效的有限差分法同时求解油膜和轴瓦的温度控制方程。
- First，the original symmetrical differencing is improved.Then，background is reconstructed based on the symmetrical differencing results. 首先对对称差分算法进行了改进，然后基于对称差分结果进行背景重构。
- The numerical solution of incompressible viscous flow over an aerofoil is obtained by H-type grids and a special difference scheme. 本文用H型网格和特殊的差分格式数值求解了粘性不可压缩叶型绕流。
- A novel algorithm for moving detection, which employed adaptive background subtraction and symmetrical differencing method, was presented. 摘要提出一种基于动态阈值对称差分和背景差法的运动对象检测算法。
- Then combining with the image information using symmetrical differencing method, a more reliable foreground image can be gained. 然后和对称差分法图像综合，得到完整可靠的运动目标图像；
- Based on this method, a difference scheme is derived for the numerical solution of diffusion equation on the structured quadrilateral mesh. 在此基础上推导了在结构四边形网格上求解扩散方程的线性精确差分格式。
- A finite difference scheme based on semi-vectorial wave equations is used to study the dispersion properties of photonic crystal fibers (PCF). 采用基于半矢量波动方程的有限差分法研究了光子晶体光纤(PCF)的色散特性。
- With the illumination information processing as former procedure，this algorithm combined the merits of background subtraction method and symmetrical differencing method. 该算法结合了帧间差分与背景模型算法的优点，同时引入亮度信息进行前序的处理；
- Key words Partial integro-differential equation fractional calculus nvolution quadrature finite difference scheme second order fully discrete scheme. 本刊中 包含“偏积分微分方程;分数次计算;卷积积分;差分格式;二阶全离散.
- A new background reconstruction algorithm is proposed to overcome the problems in the current algorithms，which is based on sub-blocks and employs symmetrical differencing. 摘要 针对现有的背景重构算法存在的问题，提出一种新的算法，该算法基于子块操作，利用对称差分重构背景。
- The paper introduces several methods for vision-surveillance using background subtraction,frame-difference method,symmetrical differencing and a method based on RGB image. 介绍了在视觉监控领域经常用到的几种运动人体检测算法,如背景减除法、帧差法、对称差分法、基于RGB图像的运动检测法。
- This paper studies the necessary and sufficient condition of uniformly convergent difference scheme for the elliptic-parabolic partial differential equationwith a small parameter. 本文研究小参数椭圆-抛物偏微分方程一致收敛差分格式的充要条件。
- This paper generalizes the two dimensional Crank Nicholson difference scheme from constant coefficient to the condition of variable coefficient with interpolation by integral. 利用积分插值法，把二维Crank－Nicholson差分格式，由常系数推广到变系数情形。
- In the case of large time step taken in calculation,implicit difference scheme is adopted in the discreted algebraic equations to ensure the numerical stability of the model. 通过选择研究对象各环节的控制容积数和时间步长，可使模型满足精度和计算速度的不同需要，在大时间步长时，采用了隐式差分格式，使得模型具有良好的稳定性。
- In this paper,a modified Dennis difference scheme for the advection-diffu- sion equation is given,which has the second order accuracy and the self adjust- ability. 本文改进了关于对流-扩散方程的Dennis 格式,不仅保持了二阶精度,且具有自调性。
- Compact finite difference scheme (CFDS) on non-uniform meshes and their truncation errors are constructed by matching the Taylor series coefficient expansion. 摘要采用泰勒展式系数匹配的方法构造基于非等距网格的紧致差分格式并得出了它的截断误差。
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海词词典，十七年品牌
