| 1. | The optoelectronic measurement is one of main methods in the area of satellites measurement
光电测量是进行卫星监测的核心手段之一。 |
| 2. | Satellite measurements of the icy surface of antarctica have detected an active system of lakes under ice that is about one kilometer deep
人造卫星的观测显示，南极洲的冰层下面有很多活水湖，深达一公里。 |
| 3. | 4 ) by analyzing the characteristic of inter - satellite measurement net , the robust estimation scheme fit for inter - satellite measurement net was designed
4 )通过分析星间测距网的特殊性,设计了适用于星间测距网的抗差方案。 |
| 4. | In this paper , making full use of the constraint of constellation structure , an autonomous navigation method of constellation based on inter - satellite measurement was studied
本文充分利用星座本身构成的空间约束,研究了基于星间观测的星座自主导航方法。 |
| 5. | At the same time , it is applied widely in satellite measurement and control , the second generation of tdrss system and corresponding industry and civilian communication system
同时，高速数据传输技术在卫星测控、二代tdrss系统以及相应的工业民用通信系统中都有广泛的应用前景。 |
| 6. | Investigators have mathematically projected these satellite measurements down to the top of the core using the assumption that the electric currents of the earth ' s mantle are negligible
假设地函的电流可以忽略，研究者可以利用卫星观测到的这些结果，以数学方法推算出磁场在地核顶部的分布。 |
| 7. | Earlier this year gauthier hulot of the paris geophysical institute and his colleagues used satellite measurements to track changes in the field ' s behavior near the top of the core
今年（ 2002 ）年初，法国巴黎地球物理研究院的余洛和他的同事，利用卫星测量来追踪接近地核表层的磁偶极场的变化。 |
| 8. | By analyzing the inter - satellite measurement net of walker constellation at some time in geometry and numeric , the correction of system error and random error caused by the change of orbit elements using different type of estimation of inter - satellite measurement net was provided quantitatively
并通过对walker星座某一时刻的星间观测网进行几何分析和数值分析,定量给出了利用不同类型的星间观测网对轨道根数变化引起的系统误差和随机误差的修正情况。 |
| 9. | By analyzing the method mathematically , the basic architecture of autonomous navigation system of constellation was designed . and also , the orbit determination method using whole net , the robust estimation method , and the integrated navigation method based on inter - satellite measurement and stellar refraction were studied emphatically
通过对该方法进行数学分析,设计了星座自主导航系统的基本框架,并重点研究了整网定轨方法、抗差估计方法和基于星间观测+星光折射的组合导航方法。 |
| 10. | 2 ) for the rank - short problem of inter - satellite measurement net , the architecture of constellation ’ s autonomous navigation was designed . satellite - to - satellite and satellite - to - ground measurement scheme and time synchronization of measurement were discussed . last , all factors that influence the navigation precision of constellation were analyzed mathematically , and some useful conclusions were drawn
2 )针对星间观测网的秩亏问题,进行星座自主导航系统的框架设计,讨论了星间、星地的测量方案以及测量值的时间同步问题,最后对影响星座导航精度的各个因素进行了数学分析,得出了一些有益的结论。 |
