This discovery was made by The High Accuracy Radial Velocity Planet Searcher ( HARPS), which is installed at the European Southern Observatory's La Silla Observatory in Chile. 高精度径向速度行星搜索器(HARPS)完成了这次发现。HARPS是欧洲南方天文台(国际性天文研究机构)安装在智利拉西亚天文台的。
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. 径向速度是一种通过观测恒星光的摆动搜寻行星的技术。这种摆动表明其对环绕行星的重力吸引。
Study on influence of feed in mode for radial velocity of flow field in hydrocyclones 进料方式对水力旋流器径向流场影响的研究
It was found that the short-term heavy storm came from a precipitation supercell storm, the base reflectivity and radial velocity product of the CINRAD product have obvious character. 此次短时大暴雨是超级单体风暴产生的,新一代天气雷达产品中基本反射率和径向速度产品都具有明显特征;
A Novel Track Initiation Algorithm Using Radial Velocity Measurement 一种利用径向速度量测的航迹起始新算法
Astronomers found the planet using the European Southern Observatory's High Accuracy Radial velocity Planet Searcher, or HARPS, instrument in Chile. 天文学家是通过位于智力的欧洲南方天文台高精度径向速度行星搜索器(HARPS)发现该行星的。
Radial velocity products of Doppler weather radar are the important basis for short-term forecast. 多普勒天气雷达的径向速度产品是制作“雷打雪”天气短时临近预报的重要依据。
Study on application of radial velocity product of Doppler weather radar to prediction 多普勒天气雷达径向速度产品在预报中的应用
The radial velocity and Doppler width distribution of belted atomic vapor are given. 给出原子束径向速度及其多普勒宽度分布。
The method to analyze the pressure gradient with mean radial velocity is used. 本文提出了利用平均径向速度分析压力梯度的方法。
Unambiguous Radial Velocity Estimation Method of Ground Moving Target 地面运动目标不模糊径向速度估计的方法
Research on improving detection performance of side looking airborne pulse Doppler radar for targets with low radial velocity 改善正侧视机载PD雷达检测低径向速度目标性能研究
The radial velocity decreases with the increase of wall roughness in the most part of flow field. 在流场大部分区域径向速度随粗糙度的增大而减小;
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. 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。
Research of negative correlativity of reflectivity and radial velocity in quasi-linear convective system 准线形对流系统中强度&速度负相关性的特征研究
A new algorithm is developed to incorporate the radial velocity measurement into extended Kalman filter. 研究了一种把径向速度测量引入推广Kalman滤波(EKF)的新方法。
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account. 将传质方程引入到垂直管降膜蒸发传热模型中,求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
Emphasized attenuation equation of radial velocity on axis top of tunnel; 着重分析了隧洞轴向沿洞顶的径向振动速度的衰减规律;
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented. 本文在分析了线性调频信号距离&多普勒耦合原理的基础上,提出了一种高耦合系数条件下径向速度估计的新方法。
COMPARE The radial velocity distribution is complicated. 径向速度分布比较复杂。
Flow field value inside of cyclone separator in different pressure is compared. The results show that the pressure has little influence on axial velocity and radial velocity of cyclone separator, but more influence on tangential velocity. 将不同压力下的旋风分离器的内部流场进行对比,结果表明,压力对旋风分离器的轴向速度和径向速度的影响很小,但是对切向速度影响较大。
The simulation results show that, radial velocity and tangential velocity occur at the same time, whose amplitude and direction are influenced by the exciting voltage and parameters of the fluid. 通过仿真发现,液体媒质同时存在切向流动和径向流动,是一种紊流,速度的大小和方向与激励电压和液体参数密切相关。
The radial velocity approximately linearly decreases with β angle increasing. 径向速度随β角增加而近似线性减小。
The distribution laws of oil-water two-phase volumetric concentrations, pressure, tangential velocity, axial velocity and radial velocity in the flow field are obtained, which reveals the separation characteristics of oil and water phases. 分析了旋流器内部的体积浓度分布、压力分布,以及切向、轴向和径向速度分布的规律,揭示了油水两相流的分离特性。
The radial velocity and turbulence intensity were also larger than those in the smooth tube. 扭带管流体的径向速度和湍流度也比光管的大。
The same height of radial velocity is asymmetry, the filter bag of radial velocity is the largest. 同一高度的径向速度不相同、不对称,滤袋处的径向速度最大。
As the free surface vortex is a centripetal flow, the radial velocity increases with the radius decreasing. 径向速度随着半径的增大逐渐减小,由于自由表面旋涡是一种向心流动,导致越靠近涡核径向速度越大。
Larger tangential velocity and radial velocity are beneficial to the separation of the fiber and the yarn twisting. 较大的切向速度和径向速度有利于纱线的加捻和纤维的分离,故选择喷气涡流纺喷嘴时,为更容易纺纱和提高纱线质量,喷孔角度应适当大些。
Simulation results show that, the rotating characteristics of the air in the twisting chamber were very obvious. With the spray angle increased, the tangential velocity and radial velocity increased, but the axial velocity was decreased. 模拟结果显示各喷嘴加捻室中的气流旋转特征非常明显,并随着喷孔角度的增大,A-A截面的切向速度和径向速度增大,而轴向速度减小。
A detailed analysis of the separator in each cross section velocity, tangential velocity, axial velocity, radial velocity, static, dynamic pressure and total pressure distribution law. 详细分析了分离器内各截面的速度矢量、切向速度、轴向速度、径向速度、静压、动压及总压的分布规律。