The Investigation of Atmospheric Angular Momentum as a Contributor to Polar Wobble and Length of Day Change with AMIP II GCM Data CONTRIBUTION OF AAM DATA SOURCE CHANGE TO THE RESEARCH ON EXCITATION OF △ LOD 大气角动量资料源的变化对研究日长变化激发的贡献
The Investigation of Atmospheric Angular Momentum as a Contributor to Polar Wobble and Length of Day Change with AMIP II GCM Data COMPARISON BETWEEN THE VARIATION OF EOP AND THE ATMOSPHERIC EXCITATION AT DIFFERENT FREQUENCY DOMAINS 不同频段上极移、日长变化与大气角动量变化激发结果的比较
An indirect method was introduced to measure raceway diameter of angular contact ball bearing using horizontal length measuring machine, steel ball and measuring block. 介绍利用卧式测长仪、钢球、量块采用间接测量方法测量角接触球轴承沟径尺寸的方法及结果分析。
The influence of the various theories of variation of gravitational constants on the secular variation of angular velocity and daily length of rotation of the Earth are investigated. 探讨和估计了各种引力常数变化理论对地球角速度和日长变化的影响。
The key parameters such as the periods of gridding, the angular velocity and the arc length of the latitude lines were analyzed and the control program was designed. 分析了网格周期、角速度和纬线弧长等关键参数,设计了控制程序。
And there is no obvious change in the swing angle and the angular velocity of swing, but the cycle of swing increases 1.3 s, with an increase of 2 m in the rope length. 绳长增加2m时,摆角和摆速无明显变化,吊重自由摆动周期约增加1.3s。
A new method of discriminating the multi-sources is provided that can finish the angular estimation of multi-sources based on the Gibbs sampling and detect the number of the sources by using the minimum description length ( MDL) criterion. 本文提出一种分辨多个信号源的新方法,即采用Gibbs抽样方法对多信号源进行角估计,利用最小描述长度(MDL)准则检测信号源数目。
On the discrepancies of annual variation between atmosphere angular momentum and length of day 大气角动量和日长间周年项变化的差异
At the same time, the duality propositions of the angular bisector, two perpendicular lines, the length of the line segment, the distance between a point and a line in Euclidean geometry, were also established. 在欧氏几何中建立起了角平分线,两条直线垂直、线段长度、点到直线的距离的对偶命题。
The angle measurement of monopulse technique, the problem of angular glint and the acquirement of high resolution range are introduced at length in this paper. 文中从单脉冲天线的发展出发,详细介绍了单脉冲测角技术,角闪烁的问题以及单脉冲距离的高分辨率的获取。
Imbalance of seasonal budget in the atmospheric angular momentum and length of day 大气角动量和日长间季节性不平衡
The accurate numerical solutions of the angular displacement, the length and its rate, and the path are given with the numerical method. 采用微分方程高精度数值解法得到了随时间变化的摆角、摆长、摆长变化率以及运动轨迹的数值精确解。
The angular distribution of the scattering light from a surface contains infor-mation of the surface roughness, namely the rms value and the autocorrelation length. 光滑表面散射光的角度分布包含了表面的粗糙度信息,即散射光的分布与粗糙度的均方根值Rq和自相关长度1值有关。
It is found that angular dispersion can compensate group velocity mismatch, crystal length is no longer limited by group velocity walk-off length as common frequency doubling, then diffraction and dispersion effects play key roles in pulse width broadening of second harmonic. 分析发现角色散匹配技术可以补偿群速度失配,晶体长度不再像普通倍频那样受到群速度走离长度的限制,这时衍射效应和色散效应对谐波脉宽展宽起主导作用。
Contralateral C7 nerve transfer through modified prespinal route is feasible, which can avoid impairing significant vascular and nerve on the anterior surface of angular interval at donor side, and shorten the length of nerve neurotization. 2. 结论:1.解剖学研究显示健侧C7神经经改良椎体前通路转移至对侧是可行的,该通路能有效避免损伤健侧角状间隙前面的血管神经,且缩短神经吻合长度。
Short baseline connected-element interferometry ( CEI) has the advantages of high angular precision, baselines of short length, flexible network distribution, nearly real-time processing, which can be adopted to complement and enhance the measurement and control system of geostationary satellites and other satellites at present. 短基线相位干涉技术具有测角精度高,基线短,布网灵活,实时性好等特点,非常适用于对同步轨道及其以内地球卫星的现有测控手段进行增强和补充。