研究了考虑有效载荷运动部件干扰时三轴稳定卫星的姿态控制。
The attitude control of 3-axis stabilization satellite was studied under the disturbance due to the movement of payload in this paper.
本论文分别以三轴稳定刚性卫星姿态控制和带太阳帆板的三轴稳定卫星姿态控制为研究对象，建立了控制系统数学模型。
Models of the three-axis stabilized Attitude Control Systems of a rigid satellite and a flexible satellite with a pair of solar arrays are set up.
最后，该文设计了一个基于PC机的三轴稳定卫星姿态控制硬件在回路仿真系统，将反作用飞轮、陀螺等实物接入仿真系统。
At last, the hardware in the loop simulation system for three-axis stabilized satellite attitude control based on PC, with reaction wheel and gyro in the loop is designed.
最后，月球作为地球独特而巨大的卫星，在稳定地球旋转轴的倾角方面发挥了关键作用。
Finally, Earth's unique and massive satellite, the Moon, plays a crucial role in stabilizing the obliquity of Earth's rotational axis.
地球独特而巨大的卫星——月球，在稳定地球旋转轴的倾角方面发挥了关键作用。
Earth's unique and massive satellite, the Moon, plays a crucial role in stabilizing the obliquity of Earth's rotational axis.
一个月亮很可能帮助稳定火星的轨道，但是它也有两个小的卫星，很可能是被捕获的小行星，他们根本就没有足够的引力能束缚。
A big moon likely could have helped stabilize Mars' orbit, but the planet has just two small moons, most likely captured asteroids, that don't have much gravitational muscle.
他透露2008年印度的月球卫星曾下降到60英里处，但又被迫回到了更为稳定的125英里高的轨道上。
India's own lunar orbiter descended to about 60 miles in 2008, he said, but was forced to return to a more stable, 125-mile-high orbit.
这些卫星处在平稳旋转的地球上空，几乎可以对全球的所有地区进行稳定的扫描，因此能很好地完成气象观察、通讯以及其它任务。
Such satellites—maintaining their steady sweeps as the earth revolves beneath them—cover all parts of the globe and hence are ideal for weather observation, communications and other tasks.
尽管航天器和卫星经常使用太阳能电池板，然而，在开发太空中那储能浩大供应稳定的太阳能方面，这项计划将是首次重大的尝试。
Although spacecraft and satellites routinely use solar panels, the project marks the first serious attempt to take advantage of the powerful and near-constant supply of sunshine in space.
而卫星数据表明南极冰架正在融化，从历史记录中，我们得知几度的温度上升就会让部分冰架变得不稳定。
But satellite data shows that Antarctica is losing ice, and from the geological record we know that just a few degrees of warming makes parts of the ice sheets unstable.
最终，太阳的引力拖拽破坏了这些小卫星们之间的稳定，导致他们最终撞向较大的那个卫星。
Eventually, gravitational tugs from the sun would destabilise the moonlets, making them crash into the bigger one.
为验证模型有效性，将其应用于某三轴稳定对地定向卫星姿态动力学仿真中，得到了相应的太阳光压干扰力矩曲线。
As illustration, these models are applied to an attitude control dynamics simulation of a three-axis stability satellite and the corresponding toques were plotted in curves.
这样的距离应当会使母恒星的引力影响足够微弱，以致COROT9b能够保留距离自己几百万公里的稳定旋转卫星。
At that distance the host star's gravitational influence should be sufficiently weak that COROT 9 b could retain stably orbiting moons millions of kilometers from the planet.
首先，目前在卫星动力学中常用的所有人造卫星运动方程的数值解法有待改进的最重要的问题就是稳定性问题。
First, now in all common numerical methods for the satellite dynamics equations the most important problem that needs to be improved is stability problem.
中国反卫星试验是对国际稳定与安全的可怕消息，黎明可能预示新一轮军备竞赛——这一次在太空中马基雅说。
The Chinese anti-satellite test is terrible news for international stability and security and could presage the dawn of a new arms race — this time in space markey said.
天线稳定跟踪技术的核心问题是天线对卫星的初始对准和自动跟踪技术。
The kernel problem of antenna stabilization and tracking technology is the initial alignment and automatic tracking technology of antenna toward satellite.
接收软件是控制遥感卫星接收系统稳定工作的关键因素。
Receiving software is the key factor to control remote sensing satellite receiving system in stable work.
卫星上的永久磁铁获取所需的地磁力矩，稳定偏航姿态。
Geomagnetic torque for yaw stabilization is provided by permanent magnet on the satellite.
研究了基于偏航观测器的三轴稳定偏置动量对地定向卫星姿态控制问题。
Attitude control problem of a three-axis stabilized, momentum biased, and nadir-pointing satellite is investigated based on yaw observer.
利用落塔试验研究液体晃动对卫星自旋稳定的影响。
The effects of liquid sloshing on spinning stability of satellite are investigated by means of drop test.
为实现卫星自维护遥操作系统中稳定可靠的视频反馈目标，提出一种基于分层码率控制的视频传输策略。
To realize the stable video feedback in the satellite self-servicing telerobotics system, a scheme based on scalable bit rate control is proposed.
本文介绍三轴稳定通信卫星在地球指向模式下的陀螺标定方法和计算公式。
The method and calculation equations of the gyro calibration of a three axis stabilized communication satellite in the earth pointing mode are presented in this paper.
本文从理论和实验的方法研究了具有周期热源变化的卫星不稳定热平衡问题。
A theoretical and experimental study of the unsteady thermal balance testing for the satellite with periodic heat source is presented in this paper.
在分析转速变化规律的基础上提出动量轮转速控制指导方案，并将其应用在实际三轴稳定地球同步卫星长期管理中，取得良好的控制效果。
Based on the disciplinarian, we set up a controlling MW scheme which has taken good effect in secular management for three-axis stabilized GEO satellites.
并应用该方法研究了自旋卫星(包括陀螺体卫星)，挠性卫星以及空腔充液卫星的姿态稳定性问题。
Moreover, this method is used for the research on the problems of attitude stability of dual-spinning satellite, the large flexible spacecraft and the satellite with cavity containing fluid.
对三轴稳定地球同步卫星中用于姿态控制的偏置动量轮转速变化问题进行研究。
This paper researches the variation of the Momentum Wheel(MW) rotation rate which is applied to attitude control in three-axis stabilized GEO satellites.
另外卫星的轨道数据的稳定性和准确性也是引发退相干的原因之一。
In addition to the stability and accuracy of satellite orbital data triggered decoherence is one of the reasons.
为了改善移动卫星天线的控制性能和稳定性，本文进行移动卫星天线的自适应鲁棒控制系统的研究。
The use of the adaptive robust controller for improving control performance and stability of mobile satellite antenna systems is investigated in this paper.
姿态敏感和姿态稳定是卫星的重要技术之一，星体敏感器是目前最高精度的姿态测量技术。
Attitude sensitivity and stability are the important technical features of satellite. Measuring satellite attitude with star sensor is a present measuring technique with highest accuracy.
将基于滑模控制的自学习模糊控制应用于挠性卫星的姿态稳定控制中。
The self-learning fuzzy control based on sliding mode control is applied to the attitude stabilization of flexible satellites.
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