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1·The radiant cooler used in the sun synchronous orbit is always designed two stages with a W-shaped parabolic reflector.

在太阳同步轨道卫星上应用的辐射制冷器都采用两级抛物面w型的结构形式。

2·Interference to CSRH and forecast from synchronous orbit satellite, and interference due to low and middle orbit satellite are analysed.

计算了同步卫星干扰及干扰时间预测，也分析了中低轨道卫星干扰问题。

3·The 600-plus-kilogram satellite will circle the Earth once every 90 minutes after it enters a sun-synchronous orbit at an altitude of 500 kilometers.

墨子号质量在600千克以上，进入距地面高度500公里的太阳同步轨道后，每90分钟环绕地球一圈。

4·The effect of the flat rate of the earth on the orbit planes of satellites is discussed and the design principle of sun-synchronous orbit of satellites is introduced.

讨论地球扁率对人造地球卫星轨道平面的影响，介绍卫星的太阳同步轨道设计原理。

5·The on-board autonomous term orbit prediction is built according to epoch state filter. And sun-synchronous orbit satellites are taken as examples for the simulation.

采用历元状态滤波建立了星上自主中长期轨道预报方法，并以太阳同步轨道卫星为例对算法进行了仿真验证。

6·Repeat sun-synchronous orbit is one of the most important orbits for earth observation missions, because the orbit can satisfy the requirements of illumination and temporal resolution.

太阳同步回归轨道既可以满足光照条件的要求，又可以满足时间分辨力的要求，是对地观测航天器首选轨道之一。

7·A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed.

提出了一种用静止卫星和同步椭圆轨道卫星构造的区域卫星定位系统。

8·The method of designing special elliptic orbit which was critical inclined, sun synchronous and repeating ground trace was expounded, and the calculation process of this method was summarized.

阐述了临界倾角太阳同步回归轨道这种特殊椭圆轨道的设计方法，总结了其轨道要素的计算步骤。

9·The proposed method is applied to slowly rotating non-cooperative target in an arbitrary elliptical orbit synchronous fly-around position tracking control.

采用该控制方法，进行大椭圆轨道慢旋目标同步绕飞跟踪控制器设计。