卫星轨道根数

根据卫星轨道根数，研究了跟踪与数据中继卫星（TDRS）对用户星的精确跟踪规律，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 laws of a tracking and data relay satellite ( TDRS ) tracking use satellites were presented based on the orbital elements in this paper . The requirements of platform attitude and antenna operation range of a TDRS were studied .

摄动力对静止卫星轨道根数的影响

Parameter of geostationary satellite orbit affected by perturbations

在电离中电感应阻力对带电卫星轨道根数的摄动影响

Perturbation Effect of the Electronic Induction Drag on the Orbital Elements of a Charged Satellite Moving in an Ionosphere

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 .

首先将相对运动参数与轨道要素直接联系起来，详细推导了利用相对轨道要素来描述的相对运动方程，据此可直接得出环绕卫星的轨道根数；

Firstly , the equation of relative motion based on kinematics is presented in detail , so relative motion parameters may relate directly with orbit elements .

首先，详细推导了以运动学方法为基础的相对运动方程，据此可直接得出环绕卫星的轨道根数；

Firstly , relative motion equations are presented in detail in terms of relative motion parameters and orbit elements , so the orbit elements of adjoint satellites can be obtained directly .

针对一般运动学方法的不足，提出了一种基于零倾角轨道变换的运动学新方法，并用这种运动学新方法分析了参考卫星轨道倾角对环绕卫星轨道根数的影响。

A new kinematics method based on zero inclination orbit transformation was proposed . The influence of the reference satellite inclination on surrounding satellite orbit has been analyzed by the new kinematics method .

本文综述了产生这个数据块的方法，推导出了求卫星的方位和高度对卫星轨道根数的偏导数的公式，这些是在小范围天区内搜索卫星所必需的。

This paper describes the procedure of the generation of the data block , and gives out the formulas of the partial derivatives of satellite azimuth A and height H to its elements M and O , they are necessary to search satellite in a small sky region .

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 .