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 perturbation effect of the earths magnetic field on the orbital elements of a charged satellite is further studied.
利用GPS接收机的导航信息精确确定接收机载体航天器的轨道根数。
This paper proposes an accurate orbit determination technique to accurately determine orbit elements of a spacecraft equipped with a GPS receiver according to navigation messages from the receiver.
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。
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.
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。
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.
基于高斯摄动方程，推导了卫星在同时考虑J2和大气摄动情况下的轨道根数变化方程。
The variation equation of the satellite orbit elements under both J2 and drag perturbations was derived based on the Gauss perturbation equation.
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。
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.
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。
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.
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。
Simulation of the relative trajectories with various orbital elements and a qualitative theoretical analysis illustrate the advantages of the orbital elements method.
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。
All classic orbital elements and usual angular motion parameters can be calculated with the new set of generalized coordinates and their rates.
基于相对轨道根数法，根据卫星相对运动方程，提出了“自然队形”的概念及队形设计的一般方法，并给出了具体的例子。
A concept of natural formation and a general RT design method are proposed based on the relative Orbital Element method and the relative motion equation in this paper. An example is given.
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冲量变轨段策略的方程，同时给出了求解方程组的迭代算法。
Based on the C-W equation, equations with both rectangular coordinates and orbital elements for the impulse maneuvers in long-distance guidance are derived.
导航卫星一般采用近圆轨道，当卫星轨道偏心率或者轨道倾角接近于零时，利用GPS卫星开普勒轨道根数拟合卫星广播星历会出现一些问题。
When their orbit eccentricity or inclination are near zero, some problems may occur when the GPS Kepler orbit elements fitting method is applied to fit their broadcast ephemeris parameters.
首先，基于归一化的改进春分点根数建立了星际小推力转移轨道的优化模型；
First, the optimization model of interplanetary low-thrust trajectory was established using modified equinoctial elements.
首先，基于归一化的改进春分点根数建立了星际小推力转移轨道的优化模型；
First, the optimization model of interplanetary low-thrust trajectory was established using modified equinoctial elements.
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