reference velocity

Reference [ 1] and [ 2] suggest an approach of minimum span tree for automatic pick of the stacking velocity.

在文献[1][2]中，曾先后提出过利用图的最小生成树的模型和方法自动拾取叠加速度，并取得了一定的效果。

Numerical simulations show that the spacecraft with the symplectic guidance algorithm can follow the reference orbit precisely under the deterministic velocity errors or the random velocity errors, and obtain the satisfying terminal control accuracy.

结果表明：无论确定性速度误差还是随机速度误差，实时制导保辛算法能够保证航天器很好地跟踪标称参考轨道并达到满意的终端控制精度。

The velocity is with respect to a fixed frame of reference.

此速度是相对于固定标架的.

A new concept of regional No-Net-Rotation ( NNR) reference frame for researching crustal movement is proposed. The GPS data observed in Chinese mainland and the surrounding areas is processed by use of this reference frame and a new crustal movement velocity field is obtained.

提出了在地壳形变研究中区域无整体旋转基准的概念，并用区域无整体旋转基准对中国大陆及周边地区的GPS观测数据进行了处理，给出在该基准条件下区域地壳运动速度场。

Algorithm of Reference Velocity Calculation for Braked Vehicle Based on Wheel Speed Information

基于车轮信息的制动车辆参考车速算法研究

In this paper we compare the different methods of velocity computing in ADCP data processing and discuss the principle, characteristic and result of method using reference layer to comput vessel velocity.

本文对不同的船速计算方法进行了比较，对使用参考层法计算船速的原理、特点和效果进行了论述。

The measurements and analysis to a model show that it is more reasonable to choose different reference velocity in different domain.

通过对一旋流燃烧器模型出口参数的测量和分析，证明在不同的速度特征区域选取不同的参考速度更加合理。