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- tangent vector field 切向量场
- tangent vector fields 切矢量域
- The purely kinematical equation for the tangent vector of a line element is derived. 导出了线元切向量的变形方程以及拉伸轴在极射赤面投影图上位置变化计算公式。
- During calculation of the tangent vector, the complete Jacobian matrix is adopted so that the tangent vector is computed accurately. 该方法在切向量求取环节,采用完整的雅可比矩阵做系数矩阵求取切向量,从而保证切向量的准确性;
- In the case of a vector field causing a particular term in the SME equations, the orientation coincides with the direction of the vector field. 若向量场造成SME方程式中一个特别项,则时空的方向会与向量场的方向一致。
- The guidance vector field can be procedurally generated, or computed from 3D medical images. 方向场可由过程式方法生成,也可由三维医学数据处理而得。
- EOF, EOF procedures, principal component analysis procedure, suitable for vector field orthogonal decomposition. 经验正交函数,EOF程序,主成分分析程序,适合做向量场的正交分解。
- The electric current density vector field also satisfies superposition principle, some applications thereof are introduced. 摘要电流密度矢量场也满足叠加原理,给出了一些应用电流密度场叠加原理的例子。
- Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective. 引力场是一种矢量场,广义相对论对引力问题的描述是非常有效的。
- First, an arbitrary timelike vector field can be interpreted as defining the world lines of some family of (possibly noninertial) ideal observers. 然而,爱因斯坦场方程式对于一时空模型中,物质或非重力力场的哪些状态是被许可的并不太拣选。
- First, base surface is separated from geometric details by using the Poisson equation and a displacement vector field is obtained. 首先利用低通滤波和泊松方程对源曲面上特征区域进行基面与细节特征的分离操作,求得基面与特征之间的偏移矢量场;
- An object recognition and localization algorithm based on local feature?turning angle between neighbouring tangent vectors, is presented. 提出了基于切矢转角局部特征的目标识别与定位算法。
- The results showed that the distribution of the precipitable water field was different from the vector field of water vapor flux . 结果表明,可降水量场 与水汽通量矢量场的分布不一致,水汽源地中以北海的水汽输送贡献最大;
- In this paper, a comprehensive simulation of the vector field imaging based on the inter-molecular multiple quantum coherences (iMQC) was performed. 摘要对基于分子间多量子相干的矢量场成像进行了系统的模拟研究。
- This is the base of vehicle control. (4) The paper analyzes the advantage and disadvantage of some path planning method of AGV, and adopts the method based on vector field model. (4)通过对几种常用的自动导引车路径规划方法的优缺点分析,结合实际应用要求,给出了基于矢量场的路径规划法。应用该矢量场模型可以规划出满足工程要求的、较安全的合理路径。
- Based on Kirov's Theorem,applying many-knot spline functions,one kind of curve or surface modeling method with tangent vectors or normal vectors,by which some local shapes of curves or surfaces can be controlled,has been introduced. 基于Kirov定理,利用多结点样条函数,研究一类带有可控参数的曲线曲面造型方法。
- SVD Method for Selecting Tangent Vector in Tangent Distance 切线距离中选取切线向量的SVD方法
- If you are up to it, you can derive the proper equation yourself by solving the calculus differential equation for a curve with a constant angle between the radial and tangent vectors (HUH?). 通过解一个微积分等式:曲线的射线与切线形成的角度是恒量,可以自己得出正确的方程式。
- Many-Knot Curve Construction with Controlled Tangent Vector 带切向控制的多结点曲线造型方法
- The experimental results show that the image that is interpolated by PTSS not only has an impressively subjective quality, but also has more smooth motion vector field and less MSE compared with source frame than traditional TSS, NTSS, or FS. 实验结果表明 ,与传统的 TSS、新三步搜索 ( NTSS)、全搜索 ( FS)算法相比 ,利用 PTSS算法补偿得到的图像帧 ,其图像的主观质量有明显的提高 ,具有更加平滑的运动矢量场 ,且图像帧同原始帧之间的最小平方误差 ( MSE)最小