1) infinitesimal rotating transformation
无限小旋转变换
1.
In the paper, by means of infinitesimal rotating transformation introduing angular velocity vector, and quatemions multiplication verted into vector product, finally formulation of inertia tensor is given by angular momentum of rigid body.
本文通过无限小旋转变换的四元数 ,引入角速度矢量 ,再把四元数乘法换成矢量叉乘 ,最后由刚体动量矩表达式给出惯量张量 。
2) infinitesimal transformation
无限小转换
3) infinitesimal transformation
无限小变换
1.
In this paper, by means of infinitesimal transformation, vector product is converted into matrix calculus as introducing accompaniment matrix formulation of vector, which gives the transformation expression of bisector product, finally we obtain the method of inertia tensor matrix.
通过无限小变换,把向量叉乘转换为矩阵运算,在引入向量的相伴矩阵的基础上,给出二重向量叉乘的转换法。
2.
The varied form under the infinitesimal transformations is given and the generalized Noether identity and the form of conserved quantity are obtained .
建立d’Alembert Lagrange原理的Poincar Chetaev形式 ,给出原理在无限小变换下的变形形式 ,由此得到广义Noether等式以及守恒量的形式 。
3.
By introducing an infinitesimal generator for the relativistic Birkhoff system and based on the invariance of the differentiation variation principle under the infinitesimal transformations,the Noether theorem and Noether inverse theorem of the relativistic Birkhoff system are obtained.
定义相对论Birkhoff系统的无限小变换生成元 ,根据在无限小变换下微分变分原理的不变性 ,得到相对论Birkhoff系统的Noether定理和Noether逆定理 。
4) in-finitesimal regular transfonnation
无限小正则变换
5) infinitesimal transformation group
无限小变换群
6) rotation transformation
旋转变换
1.
A maximum gradient tracing and rotation transformation approach is presented in this paper.
本文介绍一种最大梯度追踪和旋转变换方法，可用于重磁数字图像特征线自动提取。
2.
Take current as analysis base,in the cases of the coordinate transformation and rotation transformation,Apply mathematical matrix principle to solve the relations of current under three phase/two phase transformations and two/three transformations.
通过对存有坐标变换功能的专用芯片AD2S100结构的剖析,以电流为分析平台,在坐标变换和旋转变换两种情形下,应用数学矩阵原理,分别求解电流在三相/两相变换和两相/三相变换下的关系式详细,详细介绍该芯片主要变换功能的定义,全面地了解该芯片的工作原理及其实际应用详细。
3.
The 3D rotation transformation can be described by different ways, which is determined by three independent parameters.
三维图形的旋转变换可以使用不同的方法进行描述,但都是由3个独立的参数确定的。
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条