片语

Planetary Orbital Elements行星轨道

reference orbital elements参照轨道要素

classical orbital elements这些称为经典轨道要素

relative orbital elements相对轨道根数

median orbital elements平均轨道根数

mean orbital elements平均轨道根数

Nonsingular orbital elements无奇点根数

initial orbital elements初始轨道

elements of orbit轨道要素；轨道根数

英汉例句

• all classic orbital elements and usual angular motion parameters can be calculated with the new set of generalized coordinates and their rates.

  经典的质心轨道根数，以及系绳在质心轨道面内与轨道面外的摆动角，均可由上述六个广义坐标及其广义速度确定。

• the mean angular separation can be formulated by reference orbital elements as a one-dimensioned measure of subpoints distribution.

  作为星下点分布的一维量度，星间角距可由参照轨道要素解析地表达。

• the influences of the electronic induction drag on the variation of the orbital elements of a charged satellite moving in a magnetic-field-free ionosphere are studied.

  研究了在高空电离层中运动的带电荷的卫星受电感应阻力后对轨道根数产生的摄动影响。

• this paper presents a method by using of which the orbital elements of two spacecrafts can be determined by an adjoint orbit. also, this method can be used to the condition of multi-spacecraft.

  文中给出一种从伴随轨道确定两个航天器轨道要素的方法，这一方法也可推广应用于多个航天器的情况。

• the perturbation effect of the earths magnetic field on the orbital elements of a charged satellite is further studied.

  研究了地球磁场对带电的非赤道卫星的轨道根数的摄动影响。

• the laws of a tracking and data relay satellite(tdrs) tracking use satellites were presented based on the orbital elements in this paper.

  根据卫星轨道根数，研究了跟蹤与数据中继卫星（tdrs）对用户星的精确跟蹤规律，并据此分析了tdrs对卫星平台姿态和天线运动范围的要求。

• the group geometry in space (or reference to ground station)can be keeped unchanged with a simple modification of the orbital elements of each member.

  适当调整每颗卫星的轨道要素可以保持卫星群的构形在空间不变，或者对地（近赤道观测站）不变。

• the air force reporting on the fy-1c orbital elements have been posted once or twice daily for years, but those reports jumped to about four times per day just before the test.

  美空军对风云1c轨道参数的公布多年来一直是每天一到两次，但就在实验前数日，公布参数的频率猛增到每天四次。

• through the ga model, the orbital elements of each satellite such as altitude, inclination, raan and mean anomaly are optimized.

  研究了通过遗传算法模型优化设计侦察卫星轨道高度、轨道倾角、右升交点角及平近点角等轨道参数的方法。

• the secular influence of solar mass-loss on the orbital elements of meteor steams is examined by using the method of celestial mechanics of variable mass in this paper.

  将作者在变质量天体力学所得理论结果应用于太阳质量损失对流星群轨道根数变化的长期效应上。

• three orbital elements of the earth:precession, declination and eccentricity, and milankovitch theory are introduced briefly.

  本文简介了黄赤交角、偏心率、岁差等地球轨道三要素和米兰柯维奇理论。

• this paper analyzes the relative trajectories of satellite formation flying using the orbital elements method, which avoids approximations to provide accurate results.

  卫星编队飞行具有广阔的应用前景，为此应用轨道根数研究卫星编队飞行的相对运动，得到了精确的相对运动轨迹。

• because of this, a set of satellite orbital elements very rapidly 「ages」 and for accurate predictions 「must」 be updated every few days.

  所以，人造卫星的轨道计算数据会很快就过期，如果你要準确计算它们的轨道，你就必须即使更新它们。

• finally, the orbital elements are introduced as state variables and the accelerations are produced by equation as control variables, the space interception model is established.

  最后，采用轨道根数作为状态变量，以航天器发动机产生的推力加速度作为控制变量建立空间拦截模型。

• the influence of the variation of solar mass on the orbital elements of asteroids is studied by using the method of celestial mechanics with variable mass.

  利用变质量天体力学方法研究了太阳质量变化对小行星轨道根数的影响。

• simulation of the relative trajectories with various orbital elements and a qualitative theoretical analysis illustrate the advantages of the orbital elements method.

  仿真了各种不同轨道根数下的相对运动轨迹，与定性的理论分析进行比较，说明了轨道根数描述方法的优越性。

• based on a point source model, new spectroscopic orbital elements are determined.

  依据点源模型获得了一组新的分光轨道解。

• the satellites follow a combined eccentricity and inclination vector separation strategy, so that the group geometry can be expressed simply by the orbital elements of each member.

  并且根据卫星群偏心率与倾角综合的分离思想，讨论了两种策略，使得卫星群的构形可通过每个成员的轨道要素简单表出。

• based on the c-w equation, equations with both rectangular coordinates and orbital elements for the impulse maneuvers in long-distance guidance are derived.

  基于c-w方程，推导了用直角坐标和轨道根数描述的远程导引段多沖量变轨段策略的方程，同时给出了求解方程组的迭代算法。

• to overcome the restriction of hills equation, this paper presents the orbital elements method for describing the relative motion of satellite formation flying.

  卫星编队飞行具有广阔的应用前景，为此应用轨道根数研究卫星编队飞行的相对运动，得到了精确的相对运动轨迹。

• according to the post-newtonian approximation, the ppn effects of the variation of the orbital elements caused by the rotation of the celestial body have been obtained.

  根据后牛顿方法，得到了自转因素产生的轨道根数的参数化后牛顿效应。

• the brief note gave the orbital elements of the hypothetical planet.

  那张纸上写了那颗假想行星的轨道参数。