太赫兹科学与电子信息学报2024，Vol.22Issue(7)：716-722,7.DOI:10.11805/TKYDA2022224
微波光子联合时差/相差的高精确度测向技术
High precision direction finding technique of microwave photonics combined time difference and phase difference
摘要
Abstract
Addressing the issues of low precision in short baseline time-difference direction finding,ambiguity in long baseline phase-difference direction finding,and the difficulty of traditional microwave technologies to meet the long-distance transmission requirements for distributed deployment of electronic warfare equipment,a distributed long-distance single-baseline high-precision direction finding technology based on microwave photonics combining time-difference and phase-difference is proposed.This technology employs direct modulation mode microwave photonic transmission equipment,overcoming the impact of time-difference and phase-difference variations caused by long-distance transmission of microwave signals,ensuring stable transmission of microwave photonics over long distances.Furthermore,an improved time-difference surface fitting interpolation method is adopted to resolve the phase-difference ambiguity issue.Simulations and experimental tests have verified the feasibility of this technology for implementing high-precision distributed long-distance single-baseline direction finding.关键词
微波光子/时差测向/相差测向/实时校正Key words
microwave photonics/time difference direction finding/phase difference direction finding/real-time correction分类
信息技术与安全科学引用本文复制引用
唐龙,朱扬辉,王斌,颜健..微波光子联合时差/相差的高精确度测向技术[J].太赫兹科学与电子信息学报,2024,22(7):716-722,7.基金项目
广西创新驱动发展专项资助项目(桂科AA21077008) （桂科AA21077008）
