离散的三角网格可以描述复杂的地质构造，但是由于包含大量三角形，使得射线追踪效率比较低。
The discrete triangle grid may describe the complex geologic structure, but its ray tracing efficiency is quite low due to its including of many triangles.
离散后的三对角线性代数方程组用adi方法求解。
The discretized tri-diagonal linear algebraic equations are solved with ADI method.
计算并分析了离散角对有效二阶非线性系数和倍频效率的影响。
The influences of walk-off Angle on effective second-order nonlinear coefficient and SHG efficiency were also analyzed.
该文提出一种画高次三角形单元等值线的离散方法。
A discrete method for contouring of high order triangular elements is presented in this paper.
对线加速度计辅助惯性姿态角测量的误差分析表明，测量误差由加速度计噪声、二次积分离散化、信标噪声和加速度计频率特性误差组成。
The error analysis shows that the measurement error is caused by the noise of the accelerometer, discrete double integration, noise of beacon and frequency characteristic error.
采用离散涡方法数值仿真了不同来流攻角下，固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
本文分析了步进同步机的离散磁场，提出了步进同步机矩角直接控制的方法。
In this paper, discrete magnetic field is analysed. We present a method of torque Angle control for stepping synchronous motor.
目的研究离散角对反射与透射系数的影响。
Aim To study the effects of walk-off Angle on the coefficients of reflection and transmission.
DEM数据结构有离散点结构、规则格网结构、不规则三角网结构、等高线结构和混合结构五种。
The data structures of DEM have five kinds of structure, including dispersed point, regular network, triangle irregular network, counter and mixing structure.
在深入研究视频图像冗余离散变换特征的基础上，提出一种用于视频编码运动补偿技术的小波域不规则三角形网格构造方法。
This paper discusses the feature of redundant discrete wavelet transform and proposes an irregular triangular mesh design method in wavelet domain for motion compensation in wavelet video codec.
这种算法采用“虚点”概念，按照一定的规则用“小球跳跃法”简单而有效地实现了三维场域边界的三角形离散。
By introducing the concept of "nihility point" and the method of "spherule bounding" in the algorithm, we have simply and effectively realized boundary discretization in 3-d space.
本文提出了一种基于局部信息的区域扩张算法(LIBRG)，用以解决由离散点云重构三角网格面的问题。
This paper presents a Local Information Based Region-Growing (LIBRG) algorithm, which is supposed to solve the problems of surface triangulation reconstruction from scattered points.
对于方位角方法，反应平面方位角的离散使方位角分布最大非对称性的计算值比真值下降了约30%。
The maximum azimuthal anisotropy inferred from the azimuthal distribution method is decreased by about 30% because of dispersion of the azimuthal Angle of the reaction plane.
本文利用保角变换，用离散涡方法求解了卡门涡街与翼型的相互作用。
Based on the discrete vortex method, a conformal mapping technique is used to solve Karman vortex street-airfoil interaction.
根据单点切削力模型，考虑平头立铣刀多刃和具有螺旋角的特点，建立了铣削力离散模型。
Considering the features of multi-edges and helix flutes for end milling, a cutting force discrete model base on single point cutting tools model was built.
利用数学归纳法证明算法对任意多个离散点三角形网格剖分的正确性，并通过试验验证了算法的可行性。
The mathematical induction is used to prove the correctness of the algorithm towards the triangle mesh of random multi-points, and the experiment proves its feasibility.
提出了一种新的曲面三角网格模型参数化算法——加权最小二乘离散参数化方法(WLSDP)。
A new algorithm called the weighted least square discrete parameterization (WLSDP) is presented for the parameterization of triangular meshes over a convex planar region.
考虑到离散角的影响，给出了单轴晶体中有效非线性极化系数的精确计算公式，并给出了计算举例。
Considering the effect of walk-off Angle, the accurate calculation of effective nonlinear optical coefficient of uniaxial crystal is presented, a example of calculation of BBO is given.
该文提出了一种适用于连续波雷达测速的、稳健的离散频谱校正方法，即三角形法。
A robust correcting method for discrete spectrum in CW radar velocity measuring is proposed in this paper, t is named the method of triangle.
将此类结构离散为三角形平板元素和梁元素的集合体。
The discrete elements used are triangular plate elements and beam elements.
基于车身曲面的离散点，文章利用稀疏阵法搜寻法来自动生成三角形曲面。
Based on the discrete points on the surface of auto body, a sparse-matrix searching method is used to generate triangular meshes automatically.
运用贴体坐标转换方程对其温度场控制方程进行离散和求解，生成了梯形区域物理平面的贴体网格，同时应用非正交曲线坐标系对任一角度的梯形区域的温度场进行模拟计算。
The body-fitted transformation equation was used to disperse and compute the dominate equation of temperature filed, producing the body-fitted grids of the physical domain of the trapeziform region.
在矩角控制过程中将连续的旋转磁场离散为步进磁场，通过控制电机定子电流实现对电磁转矩的控制。
The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
采用离散单元法，分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时，顶板的稳定性。
Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional Angle, bolt spacing, rock properties and bolt orientation.
在三角区域的广义正弦函数和广义余弦函数基础上，定义了三角区域的离散广义正弦变换和离散广义余弦变换。
Based on the generalized sine and cosine functions in the triangular domain, the discrete generalized sine and cosine transform are defined.
由离散解得到的非对称线性方程组，对于QPNS采用块三对角法，对于FNS采用GMRES算法。
The nonsymmetric and linear equations from the discrete solution are solved by using block tridiagonal systems for the QPNS equations and by GMRES algorithm for the FNS equations.
利用测得的混凝土搅拌车拌桶螺旋线上的一组离散点，通过最小二乘法拟合出了求解拌桶螺旋线螺旋角的公式。
Making use of the points measured on the drum helical curve of concrete-mixer truck, the helical Angle formula of the helical curve is obtained by means of least square method.
讨论线性三角形单元对曲边区域上半离散格式下抛物问题的有限元误差分析。
In this paper the linear triangular finite element approximation to the Parabolic Problem in the domain with curved boundaries is studied.
以三角面片离散法为基础对刀具和毛坯进行了建模。
Dispersion modeling method based on triangle mesh is used to modeling the work-piece and the cutting tools.
提出了一种针对3d离散数据点的空间三角网格生成算法，该算法具有接近线性的复杂度，并有效地解决了一般算法不能处理的带有孔洞表面的情况。
A fast triangulation algorithm for 3d scattered data is presented. The algorithm has almost liner complexity and can effectively solve the region with holes that common algorithm can not dispose.
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