For low altitude seacoast-based radar,it is expected to detect low altitude threatening targets as soon as possible accurately.When the atmosphere duct occurs,the radar detection performance will be despressed generally.The causes and types of ＇Duct＇ and its propagation conditions are reviewed,its effect on seacoast-based radar performance of low altitude detection is analyzed,and the technical measures for improving and enhancing low altitude detection performance of seacoast-based radar in ＇duct＇ environment is presented.%对于低空探测的岸基雷达,希望能尽早准确判知低空威胁目标,但在出现大气波导效应时,雷达探测性能往往会受其影响。从大气波导效应的成因、类型以及传播条件出发,分析了大气波导效应对岸基雷达正常工作的影响,初步提出了在大气波导情况下改善和提高岸基雷达低空检测性能的技术措施。
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