天线分集的英文
antenna diversity
例句与用法
- The key technologies for 3g include multi - user detection , adaptive antenna , rake receive , power control and so on . these key technologies complement each other and all of them are the focus of present research
Cdma通信系统的关键技术包括有抗干扰(多用户检测) 、抗多径衰落(天线分集和rake接收) 、抗远近效应(功率控制)等，而它们之间又是相辅相成、互相补充的，均为当前研究的热点。 - Space or multi - anntenna , diversity techniques are particularly attractive as they can be readily combined with other forms of diversity , e . g . , time and frequency diversity , and still offer dramatic performance gains when other forms of diversity are unavailable
空间或多天线分集技术由于可以与其它如时间分集,频率分集技术相结合,并在其基础上提供很大的性能增益,而成为一种很有吸引力的分集技术。 - In the next generation of wireless communication , the base station antenna should have these functions : integration of different diversity methods to release multi - path fading , beam - downtilt to reduce co - channel interference , beam - forming to optimize coverage
在设计新一代移动通信基站天线时,应使天线能综合各种分集方式进行天线分集以消除多径效应,具有波束下倾以减少同频干扰,能波束赋形以实现优化覆盖。 - In this part , the two anterior chapters mainly discuss the various basic theories used by the designing for the propagation paths of the electric wave . the theories include the computation methods for the fade and the loss of various propagation paths and obstructions , the engineering estimation methods of the flat fading and frequency selected fading , the designing methods of space diversity and frequency diversity , etc . at the same time , the special designing method of the sea - across path is discussed in detail
本文首先阐述了微波中继通信工程设计中的相关知识，其中前两章主要论述了线路设计中所用到的种种理论基础知识，包括对于各种路径情况、障碍情况的衰落与损耗的不同计算方法，平衰落与选择性衰落中断率的估算方法，天线分集和频率分集技术的理论知识和设计方法等等。
