The theory and method of measuring moving target′s velocity using atomic transmission are described.
论述了用原子滤波器的透射率廓线测量激光多普勒频移的直接检测方法和理论。
The deep space exploration has the characteristics of long time delay, high satellite′s velocity and the weak signal.
深空探测具有时延长、运动速度大以及信号强度低的技术难点。
Scientists have used data from Voyager 1's Low-Energy Charged Particle Instrument to deduce the solar wind's velocity.
科学家们已经通过旅行者1号上面的低能带电粒子仪测量出了太阳风的速度。
Now, you could ask yourself the question: What is the velocity of that plane when it is at that point s?
现在，你们可以问自己一个问题：，飞机在飞到s点的时候，速度是多少？
Whatever the straight line part of the stress-strain curve may be, it is always possible to find out the rock stress threshold by the peak value of the S-wave velocity.
试验结果表明：不论应力应变曲线上的直线部分是否明显，都可以用检测横波速度最大值的办法确定岩石的应力门槛值；
Using the method of receiver function the S-wave velocity structure under Gansu seismic network is studied.
利用接收函数方法对甘肃测震台网下方的一维s波速度进行了研究。
This paper provides an example of the application of seismic S-wave reflection method and S-wave velocity to engineering investigation.
本文提供了地震横波反射法及横波速度在工程勘察中的应用实例。
Study to the relation between strong earthquakes and S-wave velocity structures in the crust and upper mantle in the studied area.
内地壳和上地幔S波速度结构与强震的关系和强震活动的深部背景进行了探讨。
As an example, we investigate the S-wave velocity structure beneath HIA station by using the SV-component receiver function inversion method.
作为实例，利用SV分量接收函数反演方法反演了海拉尔台下的S波速度结构。
Objective This paper is to investigate the ratio of the systolic peak value and the end-diastolic velocity of blood flow (S/D value) and its clinical value, which can predict fetal anoxia.
目的探讨脐动脉收缩期血流峰值（S）与舒张末期血流速度（D）的比值（S/D）对预测胎儿宫内缺氧的临床价值。
The limitation of three link theorem in velocity analysis and the main problems in application of Lou s theorem are pointed out.
指出了用于速度分析的三心定理的局限性，应用罗洪田定式应注意的一些问题。
The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of P-wave vs S-wave.
纵波的固有频率因仪器的存在而增大，纵波幅度还受地层的纵、横波速度比的影响。
When the spray plane walks in practice, it needs the same speed between the whole walking machine and the roller 's rotating linear velocity.
该喷灌机在实际喷灌过程中，要求整机行走的速度必须应与滚筒(纹盘)旋转时的线速度同步一致。
The relative curves of the ratio of transient permeability to initial permeability with the injected fluid volumes or seepage velocity are like a character "S".
渗透率比值与注水孔隙体积倍数或渗流速度的关系曲线均呈“S”形；
For the tight sandstone containing gas, only velocity ratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.
而对于致密含气砂岩，纵、横波速度比及泊松比对流体变化相对较为敏感。
According to the properties of wave propagation in multiphase medium, the theoretical formulas for calculating the P-wave and S-wave velocity are deduced.
本文基于多相复合介质的波动传播特性，导出介质内纵、横波速的理论计算公式。
In Yunnan region, s wave velocity structures show strong horizontal heterogeneity.
云南地区S波速度结构具有很强的横向不均匀性。
There is a complex relation of nonlinear function between the actual wind velocity and the output 's signals by the thermoelectric anemometers sensor.
热电式风速传感器感应输出的电信号与实际风速之间存在复杂的非线性函数关系。
Given the velocity ratio of S-to P-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距，炮点到共转换点的水平距离就可以通过解一个四次方程求出。
ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.
目的评价肝素对改善妊娠中晚期脐动脉收缩期最大血流速度（S）与舒张末期血流速度（D）的比值异常的临床效果。
It is deemed that choice of well screen 's diameter and length of a water well according to the inflow velocity to the well as did by some professional agencies traditionally is not reasonable.
本文根据实践与测试认为，供水管井过滤器直径、长度的确定，按“入井流速”计算不合理。
However, the velocity of S-wave in a rock block with a large plane can be measured with the probes for P-wave.
对具有较大平面的岩块，可以利用纵波探头测定横波速度。
In this paper, it studies the algorithm of S-curve with a constant velocity duration in detail, which takes time optimal into account. A simulate example is taken to test each switching point.
文中着重对S曲线加减速算法进行了深入的研究，推导出以时间最优为目标、具有恒定速度段的S曲线加减速的计算公式，并通过仿真进行验证，得出加速度曲线的各个时间转折点。
The liquid velocity is symmetric towards the wall. Values in (1) are 0.3 m/s for the discrete bubble pattern (where bubble rising velocities are 0.7 m/s).
液体的速率对墙体具有相称性，如图1中，当气泡呈离散式分布时为流体速度0.3米/秒，相应的气泡上升速率为0.7米/秒。
The microhardness of JCW-S-AM coatings prepared by high velocity electric arc spraying on conditions of different process parameters was tested by hardometer.
采用超音速电弧喷涂设备在不同工艺参数条件下制备JCW - S - AM涂层，利用显微硬度计测定各种涂层的显微硬度。
Fortunately , of the winds coming from all directions toward the Mogao Grottoes , only the southwester with a probability of 5.6% has a velocity of over 8 m /s.
值得庆幸的是，在莫高窟的八面来风中，只有概率占5.6%的西南风达到每秒8米以上的等级。
The N-S equations were discretized by the finite volume method in body-fitted coordinates and the coupling of pressure and velocity was implemented with the compressible form of SIMPLE algorithm.
N - S方程的求解采用贴体坐标系下的有限容积法，速度和压强的耦合采用可压缩的SIMPLE算法。
The reasonability and validity of the method was testified by the coincidence of the simulation and the theory analysis under the motion mode of trapezoidal velocity and S-velocity profile.
在T形和S -曲线速度轮廓运动模式下，模型的仿真结果与理论分析一致，验证了该方法的合理性和有效性。
The assumption is made that P-wave velocity, S-wave velocity, density and Q factor show lateral piecewise linear continuous variations in block media.
假定介质为块状，且块中纵，横波速度及密度、品质因数横向分段线性连续变化。
A rough method of site classification depending on. the average S-wave velocity within shallow depth of site foundation is suggested when the detailed geological data are unavailable.
对于只具有表层地质资料的一般建筑场地，本文根据波速随深度的平均变化规律提供了粗略的分类方法。
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