| 1. | Satellite formation flying on elliptic orbits is studied in this thesis
对椭圆轨道上的卫星编队飞行的进行了研究。 |
| 2. | The sun , for example , takes about 230 million years to go around its elliptical orbit
例如，太阳走完椭圆轨道一周约需2亿3000万年。 |
| 3. | Analysis and optimization design of tetrahedron formation spacecrafts in highly elliptic orbits
大椭圆轨道航天器四面体编队运动分析与设计 |
| 4. | In the two - body case , the approximate equations of relative motion on elliptic orbits are derived
在二体假设下，推导了椭圆轨道上相对运动方程的近似形式。 |
| 5. | Then you don ' t go for the indianapolis 500 ? that ' s on a big , concrete , oval track
那你不看印第安纳波利斯500赛事了？那是在一个大型的混凝土椭圆轨道上的比赛。 |
| 6. | A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed
摘要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。 |
| 7. | The body travels in an ellipse , the fixed point being at on focus . the speed is greatest when body is near the focus , less when it is farther away
物体沿着固定点在一个焦点上的椭圆轨道运动。当运动物体靠近这一焦点时其速度最大，而当它远离时则速度变小。 |
| 8. | We consider a nonlinear differential equation periodic boundary value problems of second order which has proposed as a model for the periodic motion of a satellite in its elliptic orbit
摘要本文考虑作为卫星绕椭圆轨道做周期运动模型的一个非线性微分方程的周期边值问题。 |
| 9. | 2 . based on the spaceborne sar theory , an elliptical earth model and an elliptical orbit model are proposed , which have some advantages over the traditional circular ones
2 .基于星载sar的基本理论,给出了一种进行星载sar回波信号模拟的椭圆地球模型和椭圆轨道模型,它们优于传统的球地球模型和圆轨道模型。 |
| 10. | Chapter 3 proposed a constellation scheme for a regional satellite navigation system . the constellation is consist of geosynchronous satellites and synchronous satellites with elliptical orbit
第三章在分析了适用于构造区域卫星定位系统的卫星轨道类型后,提出了利用静止卫星和同步椭圆轨道卫星构造星座的方案。 |
