| 1. | Development of a new type of radiant cooler used in geosynchronous satellites 一种新型地球同步轨道卫星辐射制冷器的研制 |
| 2. | China is the 3rd country capable of launching geosynchronous satellite on its own 中国是第三个独立发射同步轨道卫星的国家 |
| 3. | China is the 3rd country capable of launching geosynchronous satellite on its own 中国是第三个独立发射同步轨道卫星的国家。 |
| 4. | 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。 |
| 5. | Intelsat , ltd . offers telephony , corporate network , video and internet solutions around the globe via capacity on 25 geosynchronous satellites in prime orbital locations Intelsat凭著设于重要轨道的25枚地球同步轨道( geosynchronous )卫星,为世界各地用户提供电话通信、企业网络、影像及互联网服务方案。 |
| 6. | 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。 |
| 7. | The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude , latitude , radial errors in the hill equation as state variables , the precision of orbit determination caused by track dynamic model error , sampling period , and sensor measurement and install error is analyzed 同步卫星自主导航与轨道保持技术研究:分别选取惯性空间位置矢量和采用hill方程表示的经、纬、向径误差作为状态量,分析轨道动力学模型误差、采样周期以及敏感器测量、安装等误差对定轨精度的影响。 |
| 8. | In order to cover the whole earth ’ s surface , telecommunication satellites are arranged in two ways : one is to put three geosynchronous satellites at the geosynchronous orbit ( about 35 , 700km altitude ) . another is to put several tens or several hundreds of satellites at low earth orbit ( about 700km altitude ) 为了能够覆盖整个地球表面,通信卫星通常采用两种方式布置:一种是用三颗地球同步轨道卫星( 35 , 700公里) ,另一种是需要几十至几百颗的低轨道( 700公里)卫星。 |
| 9. | This thesis , taking geosynchronous satellite as an example , studies systematically and thoroughly the multi - sensor information fusion technology , studies fault diagnosis and system rebuild technology in satellite attitude control system , and studies autonomous navigation , orbital keeping technology 本文以地球同步轨道卫星为研究对象,从理论上和工程上较系统和全面地研究了卫星姿态控制系统的多敏感器信息融合技术、故障诊断与系统重构技术、自主导航技术、轨道保持技术。 |