The relativistic Doppler effect for light waves is formulated exactly by 4-vector transformation.
利用四维波矢变换可以严格推导狭义相对论多普勒效应的计算公式。
Thus this paper discusses the physical meaning of the 4-wave vector transformation and gives their relation.
因此本文讨论了四维波矢变换的物理意义并给出它们的关系。
An analytical method to find correspondence matrix for basic vector transformation is given by using elementary theory of numbers.
本文用欧几里得算法,给出求解基矢变换对应矩阵的解析表达式。
This paper presents a new way, fault vector transformation method in phase coordinates, based on fault analysis of phase components.
该文以相分量故障处理方法为依据,提出了一种相分量坐标下的故障向量变换法。
According to the characteristics of brushless doubly-fed wind turbine and adopting flux linkage oriented vector transformation control technology, a new type of power control system is developed.
根据无刷双馈电机的特性,采用磁链定向的矢量变换控制技术设计了一种新型功率控制系统。
Considering the characteristics of SLM microscopic images and color information of them, two wavelet transformation based methods in HSI color space and vector space for edge detection are proposed.
考虑SLM显微图像的特征和图像的彩色信息,在HSI彩色空间和向量空间的基础上,提出了两种基于小波变换的边缘检测算法。
According to this point of view the transmission and scattering in multilayer dielectric waveguides can be regarded as coordinate transformation of a vector in ann-dimensional vector space.
根据这种观点,多层介质波导中波的传播和散射可以归结为多维空间向量的坐标变换,并可用传输线和网络表示。
In this paper, we establish the vector model of polarized light, give out the transformation matrices of the optical elements in photoelastic experiment.
本文建立了偏振光的向量模型,给出了光弹实验中光学元件的变换矩阵。
The circular Jones vector′s transformation in coordinate conversion was presented by using Cartesian Jones vector′s transformation in coordinate conversion.
通过笛卡尔琼斯矢量在坐标旋转下的变换,提出了圆琼斯矢量在坐标旋转下的变换,进而以石英为例推导出旋光率的具体表达式。
According to the dependence analysis, we present a transformation strategy that generates vector codes exploiting the partial reuse of vector registers during the vectorization of applications.
并给出了相应的程序转换算法,通过数据相关性的分析,在应用程序向量化时,生成采用向量寄存器部分重用的优化代码。
This paper with elementary transformation of matrix discusses some properties of a set of vectors in finite dimensional vector space and the theory basis of this method is given.
该文利用矩阵的初等变换解决有限维向量空间中向量组的线性性质的有关问题,并给出了这种方法的理论依据。
Map projection transformation of vector data is becoming mature presently, but research and application of raster data projection transformation in GIS needs further efforts.
当前GIS中矢量数据的投影变换已日趋成熟,而栅格数据的投影变换的研究与应用还需要进一步的深入。
An error synthesis model for the machining centers is set up by using homogeneous coordinate transformation and tool workpiece connection vector.
本文将齐次坐标变换理论结合刀具与工件联结链矢量概念建立了加工中心误差运动综合补偿模型。
By the method of linear transformation, the solution forms of vector wave equation in spherical coordinates, l, m and n, are transformed to the many other kinds of forms.
利用线性变换的方法,将球坐标下矢量波动方程解的形式l、M和N变换为其他多种形式。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
应用瞬时值对称分量变换,可提取电压、电流故障分量的正序空间向量。
A plant expression vector was then constructed by ligating the cloned fragment to GUS gene, used for transformation of tobacco.
将其全长片段与GUS基因连接构建植物表达载体并转化烟草。
The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.
叙述了矢量控制方式,坐标变换,速度及电流控制等,通过负载试验运行结果证明了这种变频器的特点。
The linear time invariant equivalent circuit model is established by introducing the PARK transformation to the space vector modulated matrix converter.
将PARK变换引入到空间矢量调制矩阵变换器中,建立了矩阵变换器的线性定常电路模型。
Also disclosed is the method of selecting the putative transformants post transformation with the said vector that possess a metabolic advantage of utilizing Xylose as a sole carbon source.
还公开了用所述载体转化后选择具有利用木糖作为唯一碳源的代谢优势的推测性转化体的方法。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
The full transformation method deals with each boundary constraint node, and for stiff matrices and displacement vector, using operator transformation, relative operator calculation is performed.
全变换方法用于处理每一边界约束点,对刚度矩阵和位移矢量作相应的算子运算。
The coordinate transformation matrix based on the direction cosine parameters from the object coordinate system to the world coordinate system is derived by vector algebra.
利用矢量代数的方法,推导出以方向余弦为参量的物坐标系到世界坐标系的坐标变换矩阵;利用矩阵求逆的方法,推导出世界坐标系到物坐标系的坐标变换矩阵。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略,建立了交-交直接变换控制方式下矩阵变换器的数学模型。
The paper presents a method of Chinese chunk recognition based on Support Vector Machines (SVM) and transformation-based error-driven learning.
本文研究了一种支持向量机(SVM)和基于转换的错误驱动学习相结合的汉语组块识别方法。
With the help of the simple mathematical method, another transformation formula of coordinates and time between the radius vector equations in inertial frames is derived in the paper.
本文运用简单的数学方法推导出惯性系矢径方程的另一种坐标和时间变换式。
By matrix operation, the invariance of image singular value vector about the reducing and enlarging transformation is proved, and this character is applied to the image matching.
通过矩阵运算,证明了奇异值特征矢量在图像做缩放变换时具有不变性,并将这种性质运用于图像匹配。
This paper presents a method for finding the solution of coordinate transformation based on space vector.
从空间几何角度出发,利用空间向量的关系研究坐标转换,提出一种新的三维基准转换模型。
Vector, Statistics, Probability, Mapping, Transformation, Sine and Cosine Law, Functions.
向量;统计;概率;映射;变换;正弦与余弦定理;函数。
Vector, Statistics, Probability, Mapping, Transformation, Sine and Cosine Law, Functions.
向量;统计;概率;映射;变换;正弦与余弦定理;函数。
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