spatial velocity

The spatial filtering characteristics of the electrodynamic sensor were described quantitatively, from which the relationship between the frequency characteristics of the output signal of the electrodynamic sensor and particle velocity was obtained.

介绍了静电传感器的空间滤波特性，推导了颗粒流动速度与静电传感器输出信号频率特性之间的关系。

The average velocity ratios are very steady, whatever in the long time scale or large spatial scale.

无论是从较长的时间尺度还是从较大的空间范围来看，平均波速比值都是非常稳定的。

This paper solved the problem of how to analysis and control the programming error when machining complex surface, Based on the theory of spatial engagement, this paper present an algorithm of simulating complex surface, which is called velocity decomposed method.

本文从理论的角度探讨了复杂曲面数控加工中编程误差的分析方法问题，以空间点接触啮合的基本原理为理论基础，提出了一种数控加工复杂曲面的速度分解仿真算法。

The equations of particle velocity are deduced when the initial velocities are different for both the temporal model and the spatial model.

在考虑了时间模式的基础上进一步推导求解了空间模式下不同初始速度的固粒群的运动解析关系；

Solid particle velocity measurement based on spatial filtering effect of electrodynamic sensor

基于静电传感器空间滤波效应的颗粒速度测量

In this thesis, we use the Sloan Digital Sky Survey ( SDSS), supplemented by current semi-analytic models of galaxy formation, to study the statistical properties of the spatial and velocity distributions of different classes of galaxies.

本文利用Sloan Digital Sky Survey（SDSS）结合目前星系形成的半解析模型研究不同类型星系的空间分布和速度分布的统计性质。

The temporal and spatial evolution of simulated velocity and cloud microphysics fields show that the coupling of vertical velocity and vapor distribution is a criteria for vapor condensation and freezing that results in snow.

模拟的运动场和云微物理量场的时空演变表明，垂直运动场与水汽场的耦合是水汽凝结和冻结成雪的运动学条件；

The relatively velocity's computing formulas of this new spatial cam sliding tooth precision transmission meshing joggle's each contacting point are deduced, and the data computing are accomplished.

推导了新型空间凸轮活齿精密传动啮合副各接触点相对速度的计算公式，并进行了数值计算。

The compensation for third-order nonlinearity effects is discussed. The results show that initial phase mismatch and inclusion of group-velocity mismatching can act to decrease the effects. The conversion efficiency can be increased with good temporal and spatial profiles of SH pulse with compensation methods. 5.

研究结果表明，初始相位失配与群速失配均能有效地补偿三阶非线性效应，提高转换效率，改善脉冲形状和光谱分布。

The angular velocity of the spiral pattern and the growth rate of perturbed density vary gradually with changes in spatial place and time.

螺旋结构的图样速度及扰动密度的增长率随空间位置及时间变化。