通常国内隔声罩设计均是以一维声波方程为理论基础。
Most of the previous designs of machine enclosure were calculated according to the experical formula.
本文以调和方程为例,研究椭圆外区域上的自然边界无法。
In this paper we discuss the natural boundary element method for harmonic equation in an exterior elliptic domain.
因接触区的边界预先不能定出,故这组方程为弱非线性方程。
Because the boundary of contact region cannot be determined in advance, these equations are weak nonlinear ones.
以范德华方程为基础,推导了过量体积与过量焓的关联方程。
The values of the parameters of the empirical correlation equation have been determined by data fkitting.
本文以流体力学运动方程为基础,讨论了电流体力学的方程体系。
In this paper, an equation system of EHD based on the fluid motion equations is discussed.
双平方根(dsr)方程为波动方程偏移提供了一种新的理论框架。
Double square root (DSR) equation has provided a new theoretical framework for developing wave equation migration.
本文的回归方程为定量性地评价、检查防守视动速度提供了较好的方法。
The regression equation used in this paper has contributed to the quantitative evaluation and inspection of the defensive moving velocity.
方程是阿尔奇方程在泥质砂岩地层中的推广,W-S方程为非线性方程。
WaxmanSmits (WS) equation is an evolution of Acrhie equation for shaly sands, and it is a nonlinear equation.
采用普通精馏方法分离反应产物,并以NRTL热力学方程为物性计算方法。
The distillation method was applied to the separation of product and the whole process was simulated with the NRTL thermodynamic equation.
众所周知,分数次积分算子是调和分析中以偏微分方程为背景的一种重要算子。
It is well-known that fractional integral operator is one of the important operators in harmonic analysis with background of partial differential equations.
阐述了以表述信息演化规律的信息(熵)演化方程为核心的非平衡统计信息理论。
In this paper, we propose a nonequilibrium statistical information theory, whose kernel is information (entropy) evolution equation describing information evolution law.
以动力学方程为基础,讨论了各种反应条件对反应的影响,解释了一些实验现象。
The effect of reaction conditions was discussed and some experimental phenomena were explained based on the intrinsic kinetic equation of the reaction.
以组分的连续性方程为基础,建立了药物从多孔骨架聚合物系统中释放的数学模型。
A mathematical model describing the drug release from porous polymer was established by using the species continuity equation.
通过转换该凸最优的约束方程为简单的一维搜索,提出了最优加权系数的有效求解方法。
Converting the convex optimization question to simple one dimension search, we get the effective method to settle the optimal weight coefficient.
以考虑剪切变形影响的稳定函数单元的割线刚度方程为基础,导出了单元切线刚度方程。
An element tangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.
针对压冲流体在可逆流体换向装置(RFD)中的流动特性,以能量方程为基础建立数学模型。
The mathematics model was established based on flow characteristics of reverse flow diverters (RFD) by the using of energy equation.
它可以处理模型方程为非线性、噪声分布为非高斯分布的问题,在许多领域得到了成功的应用。
The Particle Filter can resolve a problem on nonlinear and non-Gaussian model, and has been applied successfully in many fields.
该系统具有程序、数据空间大的特点,能支持复杂的以解长线方程为基础的长线故障测距软件。
The system has larger spaces for program and data and can support complex long-line fault locating software.
针对所得方程为非对称质量、非对称刚度、非经典阻尼的情况,本文给出了使用直接法求解的格式。
The equation has asymmetric mass matrix, asymmetric stiffness matrix and nonclassical damping matrix, and the direct solving format is given in this paper.
以三阶非线性操纵运动微分方程为基础导出了系泊系统运动响应的数学模型,得到了静态分岔方程。
A nonlinear three order vessel maneuvering mathematical model was used to establish the motion differential equations of mooring systems subjected to current.
以流体力学三大守恒方程为基础,建立了等温和非等温条件下的燃气管网稳态和动态仿真理论模型。
The theoretical dynamic simulation models for stationary flow and transient flow under the isothermal and non-isothermal condition are set up based on the three conservation equations.
气相控制方程为欧拉坐标系中的二维轴对称n - S方程,求解方法为隐式LU -SGS方法。
Gas governing equations are two dimensional axisymmetric N-S equations in Eulerian coordinates, which were solved by implicit LU-SGS method.
在可预知的技术进步和人口压力背景下,耕地总量动态平衡方程为区域耕地系统的状态规定了调控目标;
Total arable land dynamic balance equation stipulates the control subject for the regional arable land system un-der the base of predictable technology and population pressure.
以机器人运动学方程为基础,基于变换矩阵中旋转子矩阵正交的特性,提出一种6r机器人运动学逆解算法。
Based on the kinematics equation and the orthogonal character of the rotation sub-matrix in a transformation matrix, an approach to the inverse kinematics problem of 6r robots is proposed.
以离子与电子的双流体模型以及麦克斯韦方程为基础,推导得到了真空电弧的二维磁流体动力学(MHD)模型。
Based on two-fluid model of ion and electron and Maxwell equation, the two-dimensional magnetohydrodynamic (MHD) model of vacuum arc was obtained.
并以两个(2 +1)维非线性演化方程为例,说明改进的方法能较好地求得非线性演化方程的更多形式新解。
As examples, two (2 + 1) -dimensional nonlinear evolution equations are taken to show that the modified approach can obtain more new format solutions than before.
数值预测值与充模试验结果具有良好的一致性,所推导理论方程为合理设计rtm充模工艺参数提供了理论依据。
Good agreement was found between the experimental results and numerical predictive values. The deduced formulations could provide the theoretical basis for suitably designing RTM filling parameters.
以轧机的弹跳方程为基础,结合轧机的弹跳方程曲线和轧件的塑性曲线分析了各种干扰因素对轧件出口厚度的影响。
Based on the curve of mill elastic deformation and the curve of strip plastic deformation, the influence of some factors on the strip exit gauge is analyzed.
以水均衡方程为基础,应用时间序列分析法,建立系统管理模型,对地下水资源系统进行系统运行控制、预测和管理。
Systematic management model is set up by time series analytic method based on water balance equation to control, predict and manage groundwater resources system.
配电子系统的建模关键是忽略其内部的暂态过程并作出了网络的等值电路图,因而依此建立的节点电压方程为代数方程。
The key to power distribution system is to ignore transient process in this sub-system and to draw the network equivalent circuit diagram, therefore its node voltage equation is algebraic equation.
应用推荐