最后，科学家测量了由于行星的引力拖拉而产生的恒星摆动，这就是径向速度。
Finally, scientists measure the star's wobble due to the planet's gravitational tug, known as the radial velocity.
该仪器使用径向速度法来搜索行星。
The instrument searches for planets using the radial velocity method.
径向速度分布比较复杂。
中尺度暴雨常出现在零径向速度附近及其折角处。
The mesoscale rainstorm often occurs around the area with zero radial speed or its inflexion.
本文提出了利用平均径向速度分析压力梯度的方法。
The method to analyze the pressure gradient with mean radial velocity is used.
径向速度是一项搜寻行星技术，可以通过寻找恒星光线的摆动。
Radial velocity is a planet-hunting technique that looks for wobbles in a star's light, which can indicate the gravitational tugs of orbiting worlds.
提出了在三维空间中引入径向速度的非线性卡尔曼滤波算法。
Based on three-dimensional space, a new method for the nonlinear Kalman filter using the radial velocity is presented.
研究了管道中近壁区颗粒的轴向速度、湍流强度和径向速度。
The axial velocity, fluctuation velocity, the turbulence intensity, and transverse velocity of the fine particle were studied.
轮毂比0.325时，周向平均径向速度分布出现明显“畸变”。
The circumferentially averaged velocity distribution of the radial velocity is distorted when the hub/tip ratio is 0.325.
这个成分，是vcosθ,我们叫做径向速度-,等于-100，公里每秒。
So it is this component, v cosine theta - which we call the radial velocity-- that is minus 100 kilometers per second.
在涡流磁场和他们所产生的是成正比的磁盘径向速度(或带线速度)。
The eddy currents and the magnetic fields that they generate are proportional to the radial velocity of the disk (or the linear velocity of the strip).
无论是轴向、径向固含率还是固体颗粒的径向速度都是随时间波动的。
Axial and radial holdups of solid particles and radial velocity of solid particles are all fluctuating with time.
分析了这两对双多普勒雷达径向速度测量误差引起的风场反演的误差。
The errors of wind derived from the two Doppler radar systems are estimated.
径向速度法，即观察某颗行星环绕恒星的轨道所引起的恒星相对地球来往的速度变化。
The radial velocity method, which looks for changes in a star's velocity toward or away from Earth triggered by a planet's orbit around that star.
首先，本文概述了一些典型流场、天气系统的PPI多普勒径向速度模式。
First, the characteristics of Doppler velocity PPI for some typical streamline field and synoptic system were summarized.
利用极坐标系中径向速度与横向速度的概念求解运动学中的一个追线问题。
Using the concepts of radial velocity and transversal velocity in polar coordinate system, a problem of pursuant trajectory in kinematics is solved.
行星越重，就越容易通过径向速度法侦测（本质上是行星引力对恒星的扰动）。
The more massive a planet, the easier it is to detect using radial velocity measurements (essentially the star's wobble as a planet's gravity tugs it).
但是，近年来天文学家通过径向速度法去发现或证实大量小到只有几倍的地球质量的行星。
But in recent years astronomers have used radial velocity to find or confirm a number of planets down to a few times Earth's mass.
同时，从三维盘状星系密度波的稳定性讨论推出了径向速度弥散度的变化规律。
We also obtain the variation of the radial dispersion of velocities with r through the stability of the density wave in three-dimensional dishlike galaxies.
新的行星是靠测量“径向速度”，或者恒星在周围行星的万有引力下摇摆的速度检测出来的。
The new planets were detected by measuring "radial velocity," or how fast a star wobbles depending on the gravitational pull from nearby planets.
由于假设水具有不同的状态，求解得出了气泡半径及径向速度随时间变化的规律。
The results reveal different rules about bubble radius versus time and radial speed versus time because of different hypothesis in water state.
但测量行星的质量，天文学家通常还需要使用地球上最大的天文望远镜，来测算径向速度的耗时。
But to get the planet's mass, astronomers normally need to follow up with time-consuming radial velocity observations at some of the planet's biggest telescopes.
文中分别研究了射流交叉角度和密度比对径向速度分布、回流区长度、回流量的影响。
The results show that the angle of cross jets and density ratios have important influences on the velocity distribution on radial, the length of reflux zone and the quantity of reflux.
研究还得到了不同工况下，流场内部切向速度、径向速度、轴向速度的不同分布规律。
Then, the distribution of tangential, radial and axial component of velocity is given in the paper.
由该公式确定的碰撞刚度不但与转子和定子的杨氏模量有关，而且与转子的径向速度有关。
The colliding stiffness by this formula is not only concerned with Young's modulus of rotor and stator, but also concerned with the radial speed of rotor.
径向速度图上，龙卷出现时超级单体风暴同时具有龙卷涡旋特征(TVS)和中气旋特征。
When tornado emerges, tornado vortex (TVS) and mesocyclone in the supercell storm can be found in the radial velocity chart.
经对实验照片的分析可知，叶轮入口颗粒径向速度的大小是造成叶轮冲击磨损的主要原因。
Result of analyzing experiment picturesindicates that particle radial inlet velocity component influences significantly the blade erosionmanner.
研究了在脉间变频格式目标雷达散射截面(RCS)测试中目标径向速度对测试结果的影响。
Object's radial velocity effect on object's radar cross section (RCS) outdoor measurement with pulse to pulse frequency shifting radar was researched.
为补偿目标径向速度对频率步进雷达合成距离像的影响，提出了一种目标径向速度估计方法。
A new radial velocity estimation method was presented to compensate the effects of the targets radial velocity on range profiles synthesized from a stepped-frequency radar.
平均径向速度场特征为辐合系统和气旋性辐合系统，垂直剖面图上，低层有明显的辐合界面。
The mean meridional speed field are concentrated systems and cyclone concentrated systems, Obvious concentrated interface on low-level on the vertical cross-section.
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