relative velocity
[物] 相对速度
2026-03-22 06:05 浏览次数 19
[物] 相对速度
1. the vector difference between the velocities of two bodies the velocity of a body with respect to another regarded as being at rest — compare relative motion
relative radial velocity相对视向速度
relative vibration velocity相对振动速度
relative sliding velocity相对滑动速度
relative phase velocity相对相速度
relative speed[物] 相对速度
relative e velocity相对速度
relative wind velocity相对风速
relative outlet velocity相对排汽速度
relative feeding velocity相对摄食速度
relative motion velocity相对运动速度
the author of this paper analyzes and calculates the relative velocity distribution at the blade exit of runner caused by limited blades and offers the way to improve blade design.
本文作者定量分析计算由转轮有限叶片数引起的叶片出口相对速度分布状态,并以所获结果提出了改善叶片设计的措施。
the theory of maximum relative velocity distance is provided, and the fuzzy logic is used to control the time margin. the algorithm makes the time interval between two detections enlarged properly.
在采用最大相对速度-距离法的基础上,引入模糊逻辑控制时间裕度,使任意两次检测间的时间间隔适当增大。
this paper studies a new guidance law based on the relative velocity deflection angle.
本文研究了一种基于相对速度偏角的导引律。
the theory of maximum relative velocity distance is provided, and the fuzzy logic is used to control the time margin.
在采用最大相对速度-距离法的基础上,引入模糊逻辑控制时间裕度,使任意两次检测间的时间间隔适当增大。
the results show that there is an obvious increase of relative velocity with the increase of flow flux, and the dynamic pressure distribution in impeller is more uniform under larger flux.
结果表明随着流量的增加,叶轮内相对速度增大明显;叶轮内整体动压随流量增加而下降,动压在叶轮内的分布场为大流量比小流量更加均匀。
the cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time.
这样做既提高了系统的经济性,简化了结构,又使得系统具有了同时测量目标距离、相对速度和方位角的功能。
at present paper, we deduced the relative velocity distribution of mixed ideal gas molecule. then we got the average collide frequency and average free distance.
本文导出了混合理想气体中分子相对速度的分布,并由此计算了混合理想气体中分子的碰撞频率和平均自由程。
the study shows that the initiating direction has nothing to do with the relative velocity of the missile and the target;
研究表明,起爆方位角的变化与弹目相对速度无关;
for the case of planar interception, the so called relative heading error angle between the relative velocity vector and the los (line of sight) is chosen as the output to be controlled to zero.
针对平面拦截问题,选择导弹和目标之间的相对速度矢量与导弹-目标视线之间的夹角(称为相对航向误差角)作为将要被控制到零的输出。
the calculation results prove that unless the initial film thickness or the relative velocity is very large, the inner evaporation drag should be taken into account at high temperature conditions.
计算结果表明,除非初始汽膜厚度或相对速度很大,否则计算高温颗粒在液面下运动的阻力时必须要考虑蒸发阻力。
the analytical solutions of the pressure field was obtained on the assumption that relative velocity field induced was time independent and helically symmetrical.
假设相对速度场定常且具有螺旋对称性,并利用已获得的涡管诱导相对速度场和相对坐标系下动量方程求其诱导压力场。
a modified relative velocity equation was derived by taking both the frictional losses and the voidage into consideration.
考虑到立管中固体颗粒与壁面之间的摩擦及空隙度的影响,建立了包含此两因素的修正气固相对速度方程。
with the difficulty of measuring relative velocity considered, a relative orbit design method is proposed to obtain diverse relative orbits with only position feedback.
为了得到更丰富的相对轨道,同时考虑到相对速度测量困难,研究了仅利用位置反馈进行相对轨道设计的方法。
the absolute velocity was decomposed based on the law of velocity triangle, the absolute tangential velocity, the relative velocity and the relative tangential velocity were presented in this paper.
在测得转轮内部的绝对速度矢量后,按速度三角形原理进行分解,得到了绝对速度切向分量、相对速度及相对速度切向分量。
results show that the relative velocity between the particle and the liquid can achieve a relative stable value within a very short time.
结果表明,颗粒-液体间相对速度在很短时间内即可达到一个相对稳定的值。
this method established is applicable to collision probability problem involving relative velocity and error covariance changing with time.
所建立的这种描述和计算方法适用于相对速度和误差协方差矩阵随时间任意变化的情况。
how would the relative velocity be altered if b were ahead of a?
假如b在a前面,那么相对速度怎样改变呢?
rotation of the fiber bundle increases the relative velocity between the fluid and the hollow fibers and increases the mass transfer.
该纤维束的旋转增加了所述流体与 所述中空纤维之间的相对速度,并且提高了所述物质传递。
the forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are obtained.
继而分析了在边界层中脱离壁面的汽泡上的作用力,导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。
investigation reveals that smoke particles kinestate is decided mainly by the relative velocity between smoke cloud and particles and the smoke cloud turbulent intensity.
研究认为,烟幕微粒的运动状态主要决定于烟幕云团与微粒的相对速度和湍流强度。
the incipient cavitation number consists of weber「s number w and m- relative velocity of cavitation bubble explosion.
初生空化数由韦伯数w和空泡相对膨胀速度m所组成。
then the diffusivity was obtained due to the relative velocity in each position and finally the relative rate of etching reaction also was educed.
最后获得的扩散层相对厚度决定了各个部位蚀刻反应的相对速度。
the combination of the two is the apparent wind, which is the relative velocity of the wind relative to the boat」s motion.
在两者的结合是明显的风,这是相对速度风相对船的议案。