Indra雷达近场假目标分析及抑制  

Analysis and Suppression of Near Field False Target in Indra Radar

作　　者：徐晓强 XU Xiaoqiang(Yunnan ATM Sub-bureau CAAC,Kunming 650200,China)

机构地区：[1]民航云南空管分局,云南昆明650200

出　　处：《数字通信世界》2021年第3期6-8,共3页Digital Communication World

摘　　要：Indra二次雷达因S模式切换目标漂移的假目标。通过分析现象与二次雷达常见假目标种类对比分析,确定假目标为由多径传播及旁瓣影响引起。结合Indra雷达时间灵敏度功能进行设置,减低近场假目标处理概率。调整Ω通道偏执增强Ω波瓣对旁瓣及尾瓣覆盖,实现假目标排除。Indra secondary radar is a false target with drift due to S-mode switching.By analyzing the phenomenon and comparing with the common types of false target in secondary radar,it is determined that the false target is caused by multipath propagation and side lobe.Combined with the time sensitivity function of Indra radar,it can reduce the near-fi eld false target processing probability.The bias ofΩchannel is adjusted to enhance the coverage ofΩlobe to side lobe and tail lobe to eliminate false target.

关 键 词：Indra二次雷达 假目标 旁瓣影响 时间灵敏度 Ω通道偏执 

分 类 号：V355.1[航空宇航科学与技术—人机与环境工程]