In unsteady flows it may be relevant to measure the spatial velocity distribution as a function of time.
非定常流中流速分布及湍流中欧拉空间关联函数都需要同时测量各空间点的速度作为时间的函数。
Combined with the mean radial velocity and distance of the cluster, from the literature, the 3-d spatial velocity of NGC 2244 is also derived.
进一步结合已知的星团距离和视向速度资料，计算了NGC 2244的三维空间运动速度，结果表明NGC 2244是一个典型的薄盘族星团。
Contrast, spatial frequency, presentation time, moving velocity and phase reversal frequency of each grating are controlled independently.
每组光栅的对比度、空间频率、显示时间，移动速度和反相频率能单独控制。
The spatial distribution characteristics of plasma flow temperature, density, pressure velocity field and intrinsic relation of them were completely analyzed.
分析了等离子束射流温度、密度、压力和速度场的空间分布特点以及它们之间的内在联系。
Spatial autocorrelation method; Phase velocity dispersion of Rayleigh wave; Circular array; Microtremor survey method.
空间自相关法；瑞雷波相速度频散；圆形排列；微震勘探法。
The dependence of the spatial wavelength and the traveling velocity of the square pattern on the relative air content is obtained.
得到了正方形斑图的空间波长和运动速度随空气相对含量的变化关系曲线。
Pressure and velocity fields of spatial cross section on an aircraft model with strake wing and double vertical tails were measured using a seven hole probe.
采用七孔探针对一种边条翼双垂尾布局的飞机模型进行了空间压力场和速度场的测量。
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。
The curve of the spatial distribution of the photon velocity is obtained with numerical method.
用数值方法得到了光子速度的空间分布曲线。
The mass segregation effects of open clusters, including spatial mass segregation and velocity mass segregation, are of great importance for studies of formation and evolution of clusters.
对疏散星团质量分层的有关问题做了简要的评述，包括空间质量分层和速度质量分层的表现形式和探测途径，质量分层形成机制的研究现状。
A peak shape simulation program of TOFMS based on probability was developed, and the effects of ionic initial spatial and velocity distributions on ionic peak shape were studied.
运用概率密度理论建立了一套飞行时间质谱的峰形模拟的方法和程序，并通过模拟分析考察了不同的空间分布和速度分布对离子峰形的影响。
By computing the spatial correlation function, the evolution plots of velocity, the relaxation time and the order parameter, the effect of top-priority of randomization on traffic flow is studied.
通过位置相关函数、速度时空演化图、驰豫时间和序参量的计算，研究优先随机慢化对交通流的影响。
The properties of nonlinear crystal BBO is presented. The walk-off Angle and the spatial walk-off effect, the group velocity mismatch and the temporal walk-off effect are discussed.
对BBO晶体的材料特性，有效非线性系数，以及BBO晶体的走离角与空间走离效应，群速度失配与时间走离效应进行了讨论。
In addition, the performance of the TDBS is better than the spatial smoothing method when the velocity of the source reach the certain degree.
另外，当信源的运动速度达到一定程度时，TDBS算法的统计性能要优于空间平滑算法。
Based on it, the elastic wave velocity spatial distribution around a cased hole in tectonic stress field is studied by applying the velocity-stress formula of equivalent medium model.
在此基础之上，应用等效介质模型的速度—应力关系式，研究了地应力场中套管井周弹性波速的空间分布规律。
The figures of spatial mechanisms and their vector diagrams of velocity and acceleration can also be transformed by those operators.
这种几何图相就是机构运动简图和它的速度、加速度矢量图。
The spatial coherences between the sound pressure and the three orthogonal components of the particle velocity in underwater ambient noise were investigated.
研究海洋环境噪声场中声压和质点振速的三个正交分量间的空间相干。
The spatial coherences between the sound pressure and the three orthogonal components of the particle velocity in underwater ambient noise were investigated.
研究海洋环境噪声场中声压和质点振速的三个正交分量间的空间相干。
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