挠性卫星动力学模型分析及其控制方案研究。
Analysis of flexure dynamics and study of its control method.
用四元数方法建立起卫星动力学方程和运动学方程。
The satellite dynamics equation and kinematic equations are built with the method of quaternion.
介绍了基于混合界面模态综合方法的遥感卫星动力学模型及其简化计算方案 ;
The modeling of jitter responses analysis of remote sensing satellite based on hybrid interface modal synthesis technique is introduced.
该算法对角速度建模精度的要求较低,无需卫星动力学方程,方法简单且易于实现。
The algorithm had low requirement to the modeling accuracy of Angle rate and no need of kinetic equation for satellite, which was simple and easy to implement.
在挠性卫星动力学模型的基础上,建立了只考虑太阳帆板三阶振动模态的挠性卫星三轴姿态控制模型。
The three-axis attitude stabilization system of the flexible satellite has been studied, in which three basic vibration modes of the solar array have been considered.
波前校正器应用于空间光学系统必然要经历卫星动力学环境,随机振动环境是其中一个很重要的影响因素。
Satellite dynamics environment is a test that must be undergone by a wave-front corrector used for space optical system and random vibration environment is an important factor among them.
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.
太阳动力学观测卫星大气成像组件(AIA)拍摄的这幅新图像非常详细的描述了2010年3月30日爆发产生的日珥现象。
This new image from the solar Dynamics Observatory's Atmospheric Imaging Assembly (AIA) shows in great detail a solar prominence taken from a March 30, 2010 eruption.
年初,美国宇航局(NASA)的太阳动力学观测卫星捕捉到太阳上磁场等离子体巨蛇般的卷须状物,它沿太阳表面绵延数十万英里。
Earlier this year, NASA's Solar Dynamics Observatory caught a glimpse of a huge snakelike tendril of magnetic plasma on the sun, extending hundreds of thousands of miles across the surface.
一个巨大的日珥在太阳西南区域爆发。此全景照片由NASA的太阳动力学观测卫星于2010年11月17日拍摄。
A huge solar filament snakes around the southwestern horizon of the sun in this full disk photo taken by NASA's solar Dynamics Observatory on Nov. 17, 2010.
这次的太阳喷发,即日冕物质抛射,是由美国国家航空航天局(NASA)的太阳动力学观测卫星(SDO)观测到的,它同时还拍到了太阳在不同波长时的一组清晰照片。
The solar eruption, called a coronal mass ejection, was spotted by NASA's solar Dynamics Observatory, which captures high-definition views of the sun at a variety of wavelengths.
建立卫星姿态动力学数学模型,并分析星体所受的外部扰动力矩。
Mathematic model of satellite attitude dynamic is set up, and external disturbance torque is analyzed.
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.
卫星姿态动力学系统与其线性化模型之间的误差会影响姿态控制的精度。
The error between satellite attitude dynamics and its linearized model can affect the attitude control precision.
卫星观测数据的同化技术已成为海洋动力学研究的一个有效手段。
The satellite data assimilation technique has become an efficient measure for Marine dynamic research.
研究了卫星太阳电池阵在多点撞击过程中的刚-柔耦合动力学问题。
In this paper, the rigid-flexible coupling dynamics of satellite solar battery with multi point contact-impact is investigated.
本文从动力学和控制系统的角度,对分布式卫星系统的协同控制方法开展了研究。
In this thesis, the problem of coordination and control of DSS was studied from aspects of dynamics and control.
首先分析了分布式卫星的动力学机理。
所得结果不仅适用于具有大型运动部件的航天器的姿态动力学分析及控制系统设计,也适用于灵敏小卫星的相应研究。
The proposed results are useful to the attitude dynamic analysis and control system design for not only the spacecraft with large rotation parts, but also the agile small satellite.
第一个报道这项试验的杂志《航空周刊》说,卫星已通过动力学方式击落。
The magazine Aviation Week, which first reported the test, said the satellite was hit by a kinetic kill vehicle launched from a ballistic missile.
用动力学和运动学两种方法研究空间站伴随卫星编队飞行的轨道设计。
So both methods of orbit design are suitable for designing orbit of concomitant satellite formation flying around the space station.
简要介绍了卫星编队飞行的动力学与控制研究的最新进展,对今 后研究工作的重点提出了建议。
The paper briefly reviews the new research progress of satellite formation flying dynamics and control, and presents some key points for future research.
动力学方法从CW方程的解析解出发,证明了绕飞轨道是以参考卫星为中心的椭圆。
In the dynamic method, starting from the analytical solutions of the CW equations, the flying-around orbit is proved to be an ellipse centered at the reference satellite.
本文研究了编队飞行卫星群的轨道动力学特性,提出了编队飞行的轨道构形设计的原则和方法。
This paper reveals the dynamical characteristics of relative orbital motion of formation flight and presents the principles and method for the orbit configuration design of formation flight.
由于地磁场的方向在轨道上周期变化,卫星的姿态动力学方程是一个线性周期系统。
Since the geomagnetic field varies periodically on orbit, the dynamics of satellite is a linear periodic system.
在极地圆轨道上工作的对地定向磁控小卫星,其动力学方程是一个线性周期系统。
The magnetic control system for polar orbiting, nadir pointing small satellite is studied in this paper. It is shown that the dynamics with magnetic control system is a linear periodic system.
本文针对卫星微型雷达,建立多柔性体系统动力学仿真模型,研究多柔性体上的弹性振动对雷达捕捉目标精度的影响。
In this paper, the mini-type satellite radar is studied to analysis the influence of the torsional vibration of the key parts on the dynamic precision of the radar.
本文针对卫星微型雷达,建立多柔性体系统动力学仿真模型,研究多柔性体上的弹性振动对雷达捕捉目标精度的影响。
In the paper, the system of the flexible bodies in the mini-type satellite radar is simulated to study the influence of the torsional vibration on the dynamic precision of the radar.
一颗名为太阳动力学观测卫星的轨道卫星拍摄了一组太阳耀斑的图片。
Images of the flare were recorded by an orbiting satellite called the Solar Dynamics Observatory.
结果表明设计出的新型太阳帆板驱动机构对卫星姿态动力学和控制具有重大影响,能够明显改善卫星姿态控制的效果。
Results showed that the new driving mechanism has significant influence on dynamics of satellite and could improve attitude control performance.
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