求出位系数模型和大气阻力引起的重力梯度卫星的轨道误差；
The orbital errors due to the potential coefficient model and atmospheric drag for the gradiometry satellite are obtained;
分析比较了目前卫星采用姿控的原理和方法，应用现代控制理论分析了重力梯度卫星姿控系统的性。
The application of gravity gradient in the attitude control system of mini-satellites provides an advantaged tool for the development and research of the miniaturization of satellites.
对作用在卫星上的各种空间环境力矩进行了分析，包括重力梯度力矩、太阳光压力矩、气动力矩、剩磁力矩等。
The disturbance torques imparted by space environment are analyzed, which include gravity gradient torque, solar pressure torque, aerodynamic torque and magnetic torque.
卫星重力梯度测量任务将获取全球范围内高精度重力场信息。
High precise information of gravitational field over the whole Earth will be obtained by satellite gravity gradiometry.
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.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
探讨了保证重力梯度杆伸展后卫星姿态能正确捕获所需的条件。
The conditions for proper attitude acquisition after boom deployment are obtained from the simulation.
探讨了保证重力梯度杆伸展后卫星姿态能正确捕获所需的条件。
The conditions for proper attitude acquisition after boom deployment are obtained from the simulation.
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