跨代雷达微波光子技术:机遇与挑战

Microwave Photonic Technology for Next Generation Radar:Opportunities and Challenges

本文阐述了跨代雷达技术发展趋势以及五代雷达应具备的阵列化、宽带化、网络化、综合化、智能化等典型特征,总结了微波光子的技术优势以及在跨代雷达典型应用场景中可为系统提供的效能增量。文中重点分析了当前微波光子技术在链路性能、集成度、阵列化、工程化等方面面向光子雷达实际应用所需要解决的主要问题,并分别阐述了解决这些问题的基本思路和方法。最后给出了相干光新体制的基于光子集成的未来全光雷达系统的基本架构、实现方法与技术发展建议。

This paper expounds the development trend of cross-generation radar technology and typical cha-racteristics of the fifth-generation radar,such as array,broadband,network,synthesis and intelligence.The advantages of microwave photonic technology and the incremental efficiencies for radar system in the typical application scenarios are summarized.The main problems to be solved in practical applications of photonic radar are analyzed,such as link performances,integration level,array,and engineering.And the ideas and basic methods to solve these problems are given respectively.Finally,the basic architecture,implementation methods and technological development suggestions of the future all-optical radar based on new integrated coherent light system are given.