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- orbit spectrum resource 轨道一频谱资源
- But the mobile spectrum resource is limited, MAI, CCI and multipath fading are the bottlenecks of improving the mobile communications system performance. 但是移动通信频谱资源日益紧张,多址干扰、共信道干扰以及多径衰落的影响,都成为提高移动通信系统性能的瓶颈。
- With the rising demand ever, the orbital resource and frequency spectrum resource for GSO communication satellite has been almost fully exploited and utilized, by means of cross polarization, multi coverage, and orbital space reduction. 随着通信需求的增长,人们采用极化复用、空间复用和缩小轨位间距等手段,对静止卫星轨位和无线电频谱资源作了接近极限的开发利用。
- spectrum resource spectrum requirements 频谱需求
- wireless spectrum resource management 无线频谱资源管理
- Compared with the FDD system, TD-SCDMA adopting TDD, has no need of symmetrical frequency bands for uplink and downlink, and enables flexible and convenient planning and use of increasingly scarce spectrum resources. 与FDD系统相比,TD-SCDMA采用时分双工方式,上下行无需对称频段,可以见缝插针,灵活方便地规划使用日益紧张的频谱资源。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- New Technical Solutions on Utilizing C-band Spectrum Resource 开发和利用C频段资源的新途径
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- Frequency Spectrum Resources for CATV Network 有线电视网络的频谱资源
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- communication satellite spectrum resources 通信卫星频谱资源
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- The two spacecraft will link up (with each other) in orbit. 两艘宇宙飞船将於轨道上(互相)连接。
- By now, putting satellites in orbit is old hat to space scientists. 现在,对航天科学家来说,把卫星送入轨道已不是一桩新鲜事了。