扰动位

  • 网络disturbance potential;disturbing potential
扰动位扰动位
  1. 导出了在等效球上和地球表面上推算混合重力异常及扰动位的计算公式。

    The calculation formulas for driving mixed gravity anomaly and disturbance potential on the equivalent sphere and earth surface are given .

  2. 对于10°、20°锥柱体,用跨肯速小扰动位势流的混合有限差分格式,用跨音速完全位势流的旋转差分格式与简易差分格式,做了数值计算。

    In this paper , numerical computed results are presented for 10 °, 20 ° cone-cylinder , using a mixed finite difference scheme for the transonic small disturbance potential equation , and using a rotational difference scheme as well as a simple difference scheme for the full potential equation .

  3. 采用的方程是三元非定常跨声速修正小扰动位势方程,使用时间积分法,求解格式是近似因式分解交替方向隐式(ADI)格式。

    The numerical procedure solves the unsteady transonic modified three-dimensional small perturbation equation by time accurate alternating direction implicit finite difference scheme .

  4. 基于能量守恒方法,研究了CHAMP卫星轨道和加速度计误差对卫星高度处的扰动位及由此恢复得到的地球重力场模型精度的影响。

    On the basis of energy conservation method , the effects of orbit and accelerometer errors on disturbing potential and the recovered gravitational field model are studied .

  5. 本文就跨音速平面定常小扰动位流的差分计算问题,在银河计算机(YH-1)上进行并行运算的初步探讨。差分方程采用隐式近似因式分解法(AF2)迭代计算。

    The calculations are made by parallel algorithm on computer " Yinhe " for solving plane steady transonic potential equation with large disturbance in the free stream direction and small disturbance in the transverse direction by using implicit approximate-factorization scheme 2 ( AF2 ) of finite differences .

  6. 外部质量产生的扰动位的球谐展开式

    Spheric Harmonic Expansion of the Potential Caused by the External Mass

  7. 由地面重力数据确定扰动位径向二阶梯度

    Determination of the 2nd Radial Gradient of Disturbing Potential Using Terrestrial Gravity Data

  8. 周期扰动位相对化学振荡的调制效应

    Modulation Effect of Periodic Phase to Chemical Oscillation

  9. 利用能量法由沿轨扰动位数据恢复位系数精度分析

    Accuracy Analysis of Geopotential Coefficients Recovered from In-situ Disturbing Potential by Energy Conservation Method

  10. 根据重力扰动位系数探讨异常源质量分布

    An Investigation on Mass Distribution of Anomalous Sources Based on Gravity Disturbing Potential Coefficients

  11. 远区重力数据对扰动位径向二阶梯度的影响

    The Influence of Zones Outside of a Cap on the Second Derivative of Disturbing Potential

  12. 借助地形数据求解扰动位现代地形资料可资鉴定断层活动性。

    TO SOLVING DISTURBING POTENTIAL WITH THE HELP OF TOPOGRAPHIC DATA Recent topographic data are useful for identification of fault activity .

  13. 本文通过空间扰动位协方差函数特性,得出卫星重力梯度数据与引力位系数的相关协方差函数。

    Least Squares Collocation is used to educe the function that can directly compute gravitational potential coefficient by satellite gravity gradiometry data .

  14. 此外,文章还对如何更好地确定局部地区扰动位及其泛函的协方差函数作了讨论;

    In addition , how to determine well the covariance of the disturbing potential and its functionals in a local area is also discussed .

  15. 网格平均空间异常广泛应用于恢复地球重力场模型、垂线偏差、扰动位以及高程异常中。

    Grid mean free-air anomaly is used widely in the determination of the gravity model , vertical deflection , disturbing potential and height anomaly .

  16. 根据扰动位与重力场元的微分关系,导出了由水平重力梯度计算重力异常、垂线偏差的公式。

    The formulas for computing the gravity anomaly and the deflection of the vertical from horizontal gravity gradient are deduced according to differential relationship between disturbing potential and gravity quantities .

  17. 提出了利用地面重力异常数据计算地面扰动位径向二阶梯度时,远距离带区影响的误差公式,结果以级数形式给出;

    A method to assess the influence of mean gravity anomalies outside of a cap on the surface of the earth on the second derivative of disturbing potential is developed and evaluated in a series formula .

  18. 建立起在边界条件分别为扰动位、扰动重力、重力异常以及其中两类以上同时作为边界输入的情况下,对应的调和性扰动场源的球谐函数表达式及封闭解式。

    Under the boundary values such as disturbing potential , gravity anomaly , gravity disturbance and two or three of them together , the spherical harmonic series representations and cloed solutions on harmonic density anomaly are given .

  19. 由于斜压切变气流存在,其对扰动位涡的平流作用可引起初始扰动位涡的位涡非屏蔽(potentialvorticityunshielding),导致线性系统初始扰动的快速增长。

    The advection effect of baroclinic shear flow on perturbation potential vorticity leads to the potential vorticity unshielding of initial perturbation potential vorticity ( PV ), which induces the rapid growth of initial perturbations in the linear system .

  20. 摩擦作用主要通过耗散局地扰动位涡,改变扰动位涡异常结构,特别是水平方向的位涡异常分布,从而减弱初始扰动位涡的位涡非屏蔽作用,抑制系统初始扰动动能的快速增长。

    Due to dissipating the local perturbation PV , friction modifies the structures , especially the horizontal distribution , of PV anomalies , accordingly weakens PV unshielding of initial perturbation PV so as to restrain the transient growth of initial perturbation kinetic energy .

  21. 结果表明,扰动的初始位相对扰动的演化规律有强烈的影响。

    The results show that the evolution of the perturbation is intensively influenced by the initial perturbation phase .

  22. 狄氏型的扰动及其对应的位势与无穷小生成元不同干扰下荒漠啮齿动物优势种群研究

    Perturbation of Non-Symmetric Dirichlet Forms-the Corresponding Potential and the Infinitesimal Generator ; Studies on Dominant Populations of Desert Rodent under Different Disturbances

  23. 我们详细研究了几个扰动暗条的位形和动力学演化、相关的光球磁场和日冕结构的变化;以及相联系的耀斑发展。

    It is studied for the detailed morphological and dynamic evolution of several disturbed filaments , the relevant changes of photospheric magnetic field and coronal structure , as well as the development of associated flares .

  24. 给出了基于扰动重力的引力位系数模型,得出了扰动重力的阶方差模型。在局部重力场方面,给出应用扰动重力与地形数据计算垂线偏差和高程异常的计算方法。

    This paper gives the gravitational potential coefficient model and the factorial square model and shows the method of computing the vertical deflection and the height anomaly by using the disturbing gravity and the terrain data in regional gravity field .

  25. 非线性作用可以抑制较大振幅扰动的增长,同时引起扰动位涡异常丰富的垂直结构产生,导致初始扰动位涡的位涡非屏蔽的减弱,从而抑制初始扰动的快速增长。

    Nonlinear effect induces the rich vertical structures of perturbation PV anomalies , which weakens PV unshielding of initial perturbation PV , consequently restrain the rapid growth of initial perturbations with large amplitude .

  26. 火炮系统发射时的3类动力扰动包括力源性扰动、形源性扰动和位源性扰动。

    Kinds of dynamic disturbance during gun firing include force resource , form resource and location resource disturbances .