velocity vector

The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.

利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。

So, the velocity vector is going to be always tangent to the curve.

速度向量总是与曲线相切的。

Note that it does not have the same direction as the velocity vector.

要注意它的方向与速度矢量的方向不同.

The article introduces a vector way of velocity analysis for wheel system in a plane.

本文介绍一种对平面轮系进行速度分析的矢量法.

The extremity curve of the velocity vector at the contact point was also drawn up.

绘制了两齿面接触点处相对速度的速端曲线图。

The Velocity Analysis of a Wheel System in a Plane with the Method of Vector

用矢量对平面轮系进行速度分析

The velocity vector and vortical contour in three different circumference positions were successfully acquired and the structure of the tip leakage vortex was clearly illustrated.

测量得到了三个不同周向位置下的涡量图和速度矢量图，并观测到了叶顶泄漏涡的涡旋结构。

More precisely curl v measures twice the angular velocity, or maybe I should say the angular velocity vector because it also includes the axis of rotation.

更精确地，curv，v值为角速度的2倍，或许我应该说，角速度向量，因为它带有旋转轴。

Short Time Conflict Detection Algorithm Based on Position-velocity Vector

基于航空器位置-速度矢量关系的短期冲突检测算法

Furthermore, the FEM limit analysis also proves that the stress slip line, ultimate load and velocity slip line are all the same if they are obtained by either associated or non-associated flow rule, but only the velocity vector shows difference.

通过极限分析有限元法，再次证明了滑移线场理论中用关联流动法则与非关联流动法则可得到相同的应力滑移线、极限荷载及速度滑移线，只是速度矢量方向不同。

Initial clinical application of velocity vector imaging in patients with coronary heart disease

速度向量成像技术对冠心病缺血心肌的初步评价

Discrimination and evaluation of erroneous velocity vector in PIV correlation method

PIV相关法中错误速度矢量的识别与评价

Spatial correlation coefficients of acoustic pressure and particle velocity based on vector hydrophone

基于矢量水听器的声压和质点振速的空间相关系数

To estimate acceleration vector using a Kalman filter model with the velocity vector information;

利用卡而曼滤波模型对速度信息进行处理得到相应的加速度信息；

The isothermal flow field in a cyclone combustion chamber is being modeled by a 3-dimensional axis-symmetric RNG k-ε turbulent flow model. A particle image velocimeter ( PIV) was use for measuring the velocity vector distribution in various cross-sections of a cyclone combustion chamber.

采用三维轴对称RNG kε湍流模型模拟了微型燃气轮机旋流燃烧室内的等温流场，用粒子测速仪（PIV）测量了旋流燃烧室内不同截面位置的速度矢量分布。

An image segmentation method based on the velocity feature vector of moving target was proposed.

研究基于速度特征矢量提取运动目标的图像分割方法.