智能微波光子射频前端与链路

Intelligent Microwave Photonic RF Frontends and Links

射频(RF)前端与链路是雷达、通信、电子战等系统中的核心功能模块。新一代智能无线系统的大带宽、多频段、可重构信号处理与传输需求对RF前端与链路的研发提出一系列挑战。基于微波光子技术的RF前端与链路具有大带宽、低损耗和抗电磁干扰等优势,能够很好地满足新一代智能无线系统的需求。重点围绕可重构、多信道/阵列化收发RF前端和大动态范围、高相位稳定性、多业务融合的微波光子RF链路,介绍与分析智能微波光子射频前端与链路的发展现状与研究动态。

Radiofrequency(RF)frontends and links are the key modules for microwave systems like radar,communication,and electronic warfare.The requirements of new-generation intelligent RF system on broad bandwidth,multi-band spectra and reconfigurability bring new challenges to the development of RF frontends and links.Both RF frontends and RF links assisted by the microwave photonics can provide a very promising solution to address above challenges with advantages of broadband,low loss and immunity to electromagnetic interference.In this paper,a comprehensive overview to the intelligent microwave photonic RF frontends and links is presented,focusing on reconfigurable,multi-channel/channelized transceiver frontends and microwave links featuring large dynamic range,high phase stability and multi-service convergence.