The Median Theorem will be applied to determining the normal vector of the point on parabola and then using the technology of tip compensation to measure the parabola accurately.
确定抛物曲线面上所测量点的法向矢量,启动测量针半径补偿作精密测量,使用DEAPPL语言设计程序组,阐述进入CAD/CAM中的数据文件组生成,探讨等距值d对测量精度的影响,在测量机上快速完成二维曲线的测绘和检验,设计的程序组通过标准球实验,测量精度高,除能完成抛物线检验外,还能用于其它精密二维曲线扫描。
In this paper, first introduces about normal vector and then deals with how the stylus regulating automatically its own level on contact complex surface and holds constant level with nominal deflection.
首先介绍了法向矢量在仿形扫描中的作用 ,然后提出了名义偏倾值 DN 的概念 ,及引入名义偏倾值 DN 后在解决扫描中脱模的原理及实现 ,最后介绍了仿形加工及数字化在模具加工中的差异和应注意的问题。
Our method uses object surface normal vectors to obtain vector distances between 3D objects.
本文提出了基于Ｂ－Ｒｅｐ的计算三维物体间距离的方法，即利用物体的表面法向矢量直接计算三维物体间的定向距离。
In view of the DOA of the other signals attained from the weight vector of the algorithm the steering vectors matrix of the interference signals are established.
首先由MVDR算法确定初始权向量;其次根据该权向量与其它用户波达角方向的关系,建立干扰信号的导向矢量矩阵;然后通过正交投影原理,将期望信号的导向矢量投影到干扰信号的零空间上,从而求得最优权值。
Within the null space of the steering vectors vectors matrix of interference signals, the weight vector which is closest to the steering vector of the expected signal and deeply depresses the interference signals simultaneously comed be obtained with least square method through the linear combination of orthogonal basis.
提出了一种新的用于智能天线中极大抑制干扰的波束形成算法 ,在干扰信号的导向矢量矩阵的零空间内 ,经过正交基矢量的线性组合 ,用最小二乘法求得最接近期望信号导向矢量、并同时对各个干扰信号零陷的权值 。
On the basis of analysis of constraint equations,the actual space-time steering vectors of the desired signal can be solved using the Lagrange multiplier methodology.
该算法在宽带信号模型基础上,分解空时宽带波束形成的约束方程,针对多频点约束,推导出空时二维导向矢量真值,得到空时结构可变对角加载波束形成算法的最优权矢量,并给出加载量求解方程,准确地计算出空时波束形成器的对角加载量。
Steering Vector Iteratively Update for Robust Capon Beamformer
迭代更新导向矢量的稳健波束形成算法
Capon Beamforming Calibration Algorithm for Steering Vector Mismatch Error
导向矢量存在匹配误差时Capon波束校正算法
An estimation method of interferometric phase based on generalized steering vector
基于广义导向矢量的干涉合成孔径声纳干涉相位估计方法
Directional Performance of Acoustic Vector Sensors in Pekeris Waveguide
Pekeris波导中矢量水听器定向性能分析
A vector multiplied by a scalar quantity is a vector in the same direction as the original vector.
乘以标量的矢量是一个与原矢量同向的矢量。
vector analysis
矢量分析, 向量解析
array vector
数组向量,数组矢量
Establish displacement vector equation of mechanism using vector method to infer the speed and the acceleration vector equation.
运用矢量法建立机构的位移矢量方程,推导出速度、加速度矢量方程。
Average velocity is a vector quantity, in the same direction as the vector △s.
平均速度是矢量，它与矢量△s的方向相同。
complex vector space
复矢量空间; 复数域上的向量空间; 复向量空间
Deeply SINS/GPS integrated navigation method based on vector tracking
基于矢量跟踪的SINS/GPS深组合导航方法
Derivation process of relationship between magnetic motive force space vector and current space vector in induction motors
感应电机中磁动势空间矢量与电流空间矢量关系式的推导
A vector is defined by a direction as well as a magnitude.
一个矢量要用大小和方向来表示。
The direction of the electric field vector is indicated in each picture.
每张照片上都标出了电场矢量的方向。
Research on Key Technology of Public Service-oriented Vector WebGIS;
面向公众服务的矢量WebGIS关键技术研究
Study on Filling Algorithm of Vector Linear Symbol Oriented GIS;
面向GIS的矢量线状符号填充算法研究
DOA Estimation of Distributed Source Using Vector-Sensors
矢量传感器阵列分布源波达方向估计
ESPRIT algorithm for DOA estimation using a single vector hydrophone
单矢量水听器ESPRIT波达方向估计算法