| 1. | Technical requirement of communication antenna for naval ship 舰船通信天线技术要求 |
| 2. | It establishes the foundation of the research about satellites communication antenna servo system 为以后进行的星星通讯天线伺服系统研究奠定基础。 |
| 3. | For ka - band communication antenna , several classes of different satellite weight were considered and the critic first frequency of antenna system was given 为满足ka频段通讯天线的指向精度指标,文中针对不同质量的卫星平台,计算了对天线系统的最小刚度要求。 |
| 4. | The scheduled launch follows the failed deployment last october of another communications satellite , whose solar panels and communications antenna did not operate properly 这次发射之前,去年10月进行的另一次通讯卫星发射失败,因为太阳能板以及通讯天线没能正常运作。 |
| 5. | It has large ratio of deploying / stowed volume . it may be used as sar antenna for small satellite or as other communication antenna of s or l band . the structural system configuration and key components design are described 它具有展缩比大,重量轻和频段宽等特点,可用于小卫星合成孔径雷达天线和其它s 、 l频段星载通讯天线。 |
| 6. | At this background , the miniature and wide band technology of antenna become more and more important . this dissertation mainly researches the ultra - wide band communication antennas and electrically small antennas 本论文研究的主要内容是天线的宽带化和小型化技术,对超宽带电小天线的分析方法、宽带化、小型化等关键技术以及实际天线的研制等方面进行了一些探索。 |
| 7. | In this paper , aiming at the control communication problem of satellite communication antenna system , the particularity of the communication part of the equipments which have relative movement is analyzed , and comparing to formerly communicationg project , a new project to resolve the communication problem is put forward , namely lower voltage power line carrier technology 本文针对卫星通信天线系统中的控制通信问题,分析了有相对运动设备间通信的特殊性,并与之前所用的通信方案进行了对比,提出了一种新的方案来解决该通信问题,即利用低压电力线载波技术来实现通信。 |