Energy balance models of the chromosphere-corona transition region are computed for a segment of coronal hole assuming a nonradial magnetic field geometry.
本文采用非径向磁流管位形的假设,计算了太阳冕洞网络部分的色球-日冕过渡区的能量平衡模型。
The long armature – short field geometry is discussed, and in particular the impact of this geometry on the scale of the power electronic drive system is presented.
讨论了长定子-短动子的几何尺寸,特别是提出这个几何尺寸对电力电子驱动系统的相关影响。
An all - reflective system with compact structure and wide field of view is designed on the basis of geometry optical theory.
本文在三镜反射光学系统的几何光学理论基础上,尝试性进行了小尺寸、大视场、长焦距全反射系统的设计。
This paper presents the principle and method of the geometry design of highspeed test loop integrated with the Test Field of MOC. for Highway and Traffic Engineering.
本文结合交通部公路交通工程综合试验场的实体工程,介绍了高速环道的几何设计技术。
We propose a new 3D plenoptic function method - Boundary Light Field, which works with rough geometry model of scene objects.
本文在同心拼图方法的基础上,提出了一种新的与场景几何相结合的3D全光函数方法—边界光场。
Geometry and set theory are commonly aimed to resolving paradox, but they are completely different knowledge in mathematics field.
几何学与集合论虽是数学领域中两个截然不同的学科,但是它们的产生都是为解决悖论而形成的。
Based on the nonlinear geometry field theory of continuum mechanics, this paper analyzes the stress field due to a screw dislocation in an infinite medium.
本文以非线性连续体几何场论为理论基础,分析了无限大体中一个螺位错引起的应力场。
The geometry models and numerical calculation models of temperature field in single-heat and multi-heat sources furnaces are established through finite element method.
采用有限元法建立了单热源合成炉和多热源合成炉温度场的有限元几何模型和数值计算模型。
The theory of rectilinear congruence is an important field in differential geometry.
直线汇理论是古典微分几何的一个重要研究领域。
Geometry and quantum field theory, designed for mathematicians, is a rigorous introduction to perturbative quantum field theory, using the language of functional integrals.
几何和量子场论课程是用泛函积分的语言对微扰量子场论的严谨的介绍,主要针对数学家设计。
In this paper, the intensity distribution of interference field of holo-speckle interferometry is derived when the error of system geometry exists.
本文导出了存在系统几何偏差时全息一散斑干涉术中干涉场的强度分布。
The velocity field resulting from vortex flow is studied. The vector field distribution and geometry topology characteristic are discussed by means of numerical simulations.
研究了由涡度诱导出的速度场,采用数值模拟方法,讨论了矢量场的分布和几何拓扑性质。
Simulation shows that it is of use for study on simulation method of target geometry modeling and wake guidance by applying this software in engineering field.
仿真应用结果表明,本项研究对于目标几何建模和尾流自导仿真方法研究具有实际应用价值。
Analysis of the traditional artificial potential field failed in path planning due to the local minimum and the possible local minimum area of the external obstacles on the geometry.
本文分析了传统的人工势场法由于局部最小问题而导致规划失败的原因,对可能产生局部极小值区域的障碍物外部几何形状进行分析。
To achieve similarity in ice accretion, it is necessary for the scale test to simulate the geometry, the flow field, the drop trajectories, the total water catch and the heat transfer.
从结冰过程的基本方程出发,并要求在缩比相似准则中满足几何尺寸、流场、水滴运动及撞击特性、结冰过程的热力学特性等相似,推导出一种适合结冰试验的相似准则。
The geometry shapes and arrangements of the nozzle are the key factors to determine that the bottom?hole flow field is reasonable or not.
而喷嘴几何形状、喷嘴布置方式是决定井底漫流场是否合理的关键因素。
Firstly, the Green function's source point and field point symmetry and geometry symmetry are discussed, and based on these, symmetry properties used in the matrix solving are discussed.
首先分析了格林函数的场点源点对称性和几何对称性,并由此入手,对对称性在速度势求解矩阵中的应用进行了分析。
Theory of packing and covering is an important field in combinatorial and discrete geometry.
填充和覆盖理论是组合几何与离散几何中的一个重要分支。
Three dimensional field of a variable geometry linear turbine cascade is simulated by CFD software NUMECA.
使用CFD软件NUMECA对变几何平面叶栅三维流场进行了数值模拟。
In this paper, enumeration problems in the orthogonal geometry over a finite field with characteristic 2 are studied, and an enumeration theorem is proved.
本文研究特征为2的有限域上正交几何中的计数问题,给出了一个计数定理。
The hydraulic cartridge cone valve is chosen for the study of possibility to explore its effects of geometry parameters and boundary condition on flow field and cavitation of cone valve.
以插装型液压锥阀为研究对象,研究了几何结构参数及边界条件对锥阀流场及气穴现象的影响。
The trace occurrence is substantially the occurrence of intersection line of two oblique planes in space, which belongs to the mathematics field of solid geometry.
迹线的产状实质上是空间二斜面相交线的产状,属于立体几何学等数学范畴。
This algorithm takes a height field and also converts it into geometry, but it splits the terrain up in smaller chunks, so when the focal point changes, not all chunks have to be regenerated.
这个算法使用高度图,也使用几何变换,但是它将高度图和小块地形分开,所以当焦点变化时,不需要重新生成所有的小块地图。
In a process of current data processing, the definition of field station number of geometry mainly relies on manual input that has poor efficiency.
在目前的资料处理过程中,定义观测系统的野外站号主要靠手工输入,效率较低。
However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.
当今的GIS系统的空间数据模型,主要反映地图制图领域的点、线、面对象管理与操作的几何知识。
The mathematical model and boundary conditions of soil temperature field in finite region is established through analysis of geometry model of underground heated pipeline.
通过分析埋地热油管道的几何特性建立了有限区域内非稳态热油管道土壤数学模型和边界条件。并使用PHOENICS软件对该数学模型进行了求解。
Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging, it has a high computation cost and a poor adaptation to geometry.
基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法,但存在着计算量大、对观测系统适应性差等缺点。
Combining the computation of velocity field and sediment transportation with the adjusting technique of river geometry, a quasi_3D dynamic model for fluvial processes have been proposed.
结合这些流场与泥沙计算方法及河床形态调整技术,作者提出一个准三维河流动力学模型。
Combining the computation of velocity field and sediment transportation with the adjusting technique of river geometry, a quasi_3D dynamic model for fluvial processes have been proposed.
结合这些流场与泥沙计算方法及河床形态调整技术,作者提出一个准三维河流动力学模型。
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