摘要
GPSⅢ中的点波束使导航信号抗干扰能力在现有水平基础上提升27dB，将成为未来一段时间内导航战的主要研究对象。本文介绍了点波束的作用、性能与应用方式，重点分析了点波束形成过程中的薄弱环节，提出了对抗点波束的初步思路，可作为其他研究者的参考。
Spot beam in GPS Ⅲ is capable of improving the anti -jamming ability of navigation signal by 27 dB on the basis of the current level, and will become a main study subject for some time. Firstly this paper introduces functions, performance and application mode of the spot beam, and then the weak link in the formation process of spot beam is analyzed in detail. Finally, the preliminary thoughts of countermining spot beam are proposed and can be used as a reference for other researchers.
出处
《电光系统》
2014年第2期19-23,共5页
Electronic and Electro-optical Systems
