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- Velocity Vector Measurement System 速矢测量系统
- Velocity Vector Measurement 速度矢量测量
- 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 pitch scale is positioned in the central portion of the HUD and is linked with the velocity vector indicator. 俯仰角度表位于HUD的中间和速度矢量相联系。
- Objective:To evaluate inter-ventricular myocardial synchrony in normal subjects by velocity vector imaging(VVI). 目的:应用速度向量成像(VVI)技术评价正常人左室各室壁心肌节段运动在时间上的协调性。
- 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. 摘要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。
- SDPS is applied to SOC architectural parameters design and a triple discretization method is used to discretize the velocity vector of the particles. 将该多目标优化方法应用于SOC结构参数设计,并且给出了针对粒子群速度向量的三元离散化方法。
- Based on UDEC modeling, the status of limited balance and failure of slope is defined by the changes of velocity vector and displacement vector. 同时,本文根据数值模拟结果,提出了从速度矢量和位移矢量的变化规律来定义边坡的极限平衡状态和破坏状态的方法。
- The error of pico-satellite attitude angle measurement consists of sun vector measurement error and sun vector calculation error,which are analyzed and calculated respectively. 分别分析计算了皮卫星姿态角测量的两大误差源:太阳矢量实际测量误差和轨道模型演化计算的太阳矢量误差。
- The results show that the phase error of the vector measurement is zero, and amplitude error can be eliminated, and the error caused by D/A is much lower than a LBS. 结果证明，相位测量的理论误差为零，幅度测量的理论误差可用修正系数消除，且D/A有限字长引起的误差远小于一个LBS。
- The results suggest that, the velocity vector rotates anticlockwise mainly, and the principal constituents of barotropic tides are K1 and M2, respectively. 这说明南海北部海区的海流及潮流变化比较复杂，需要大范围的长期观测才能更好地掌握其特征与变化规律。
- A cross-section whose axial distance from the round jet spout is thrice the spout diameter was studied, and the distribution of velocity vector at the cross section was obtained. 采用3种粒径的玻璃微珠作为示踪粒子，获得了距喷口出口截面轴向距离为3倍喷口内径处的示踪粒子速度矢量分布。
- Abstract The error of pico-satellite attitude angle measurement consists of sun vector measurement error and sun vector calculation error, which are analyzed and calculated respectively. 摘要 分别分析计算了皮卫星姿态角测量的两大误差源：太阳矢量实际测量误差和轨道模型演化计算的太阳矢量误差。
- Based on describing harmonic vibration with ratation vector,rotation velocity vector and rotation acceleration vector were introduced to describe velocity and acceleration in harmonic vibration. 在用旋转矢量描述简谐振动的基础上;引入旋转速度矢量和旋转加速度矢量来描述简谐振动的速度和加速度.
- 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 secondary velocity vector plots show that the migration of the secondary vortex across the main flow was influenced by flow rates which made the centrifugal and Coriolis force changing. 二次流矢量图表明流量的改变影响了离心力和哥氏力在流动中的作用，导致在垂直于主流方向引起截然不同的二次涡旋流动。
- Secondary traverse flow velocity vector plots show the scrapping of the tip leakage vortex from the suction surface of one blade across the blade pitch to the pressure surface of the adjacent blade. 数值和实验结果均表明，端壁移动情况下间隙区域的二次流动特征是刮削泄漏涡的形成和发展。
- In vector measurment principle of analog-digital mixed multiplier, the zero-order holder and D/A all must cause the theoretical errors. 模拟数字混合乘法矢量测量法原理中零阶保持器和D/A转换器的使用都必然会带来一定的原理性误差。
- Conversely, in many experiments it is possible to measure all the velocity vectors. 另一方面，在许多实验中，所有的速度矢量都可以测定。
- Velocity vectors provide a graphical representation of the flow direction, the size of each vector indicating the relative rate of flow. 察看流速指示标流速指示标提供了一个图形代表流向,每个流速指示标的大小表示水流速度相对峙。
