摘要
为兼顾中小型无人机平台适装性和运动目标检测性能,研制了一种双通道地面运动目标检测(GMTI)雷达系统.系统波束扫描方式采用方位维机械扫描,俯仰维电扫描;GMTI模式工作时采用全阵面发射两子阵接收,利用双通道对消实现杂波抑制,提高目标检测性能;通过数字合成方法形成方位接收和差波束,采用单脉冲测角处理实现方位测角定位.通过原理样机研制和飞行试验验证,结果表明系统具有良好的目标检测和定位性能,具有一定工程设计参考价值.
A dual-channel ground moving target indication(GMTI)radar system is developed to give consideration to the adaptability of small and medium-sized unmanned aerial vehicle(UAV)platforms and the performance of moving target detection.The system adopts the scanning mode of azimuth mechanical scanning and pitch electrical scanning.Working in GMTI mode,the system adopts full-array transmitting and two sub-arrays receiving,and also uses dual-channel cancellation to suppress clutter and improve target detection performance.The azimuth receiving sum-difference beam is formed by digital synthesis method,and the azimuth angular positioning is realized by mono-pulse processing.The development of principle prototype and flight test verification show that the proposed system has good performance of target detection and location,having some reference value for engineering design.
作者
唐月生
王金峰
王蒙
TANG Yuesheng;WANG Jinfeng;WANG Meng(No.38 Research Institute,China Electronics Technology Group Corporation,Hefei 230088,China;Key Laboratory of Aperture Array and Space Application,Hefei 230088,China)
出处
《空天预警研究学报》
2022年第1期5-9,共5页
JOURNAL OF AIR & SPACE EARLY WARNING RESEARCH
关键词
GMTI雷达
双通道
杂波抑制
试验验证
GMTI radar
dual-channel
clutter suppression
test verification
