| 蒸发波导环境下雷达电磁盲区的分布特征 |
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| 引用本文： | 张洁寒,郭涛,李雪萍,张瑜.蒸发波导环境下雷达电磁盲区的分布特征[J].河南师范大学学报(自然科学版),2011,39(4):177-180. |
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| 作者姓名： | 张洁寒 郭涛 李雪萍 张瑜 |
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| 作者单位： | 1. 河南师范大学物理与信息工程学院,河南新乡,453007
2. 新乡学院物理系,河南新乡,453000 |
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| 基金项目： | 国家自然科学基金(61077037); 河南省基础与前沿技术研究计划项目(092300410236,102300410011) |
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| 摘 要： | 蒸发波导是近海面大气环境中出现概率最高的一种大气波导,利用蒸发波导可以实现雷达超视距探测.然而,由于蒸发波导的存在,雷达的电磁盲区也会发生不同的变化,从而对岸基、舰船雷达的探测性能产生极大的影响.基于射线追踪技术,构建了电磁波传播路径的微分计算方法,并对蒸发波导环境中的岸基、舰船雷达电磁盲区随雷达天线高度变化特征进行了...
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| 关 键 词： | 舰船雷达 蒸发波导 电磁盲区 射线追踪 |
The Distribution Characteristics of the Shadow Zone of Radar in Evaporation Duct |
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| ZHANG Jie-han,GUO-Tao,LI Xue-ping,ZHANG Yu.The Distribution Characteristics of the Shadow Zone of Radar in Evaporation Duct[J].Journal of Henan Normal University(Natural Science),2011,39(4):177-180. |
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| Authors: | ZHANG Jie-han GUO-Tao LI Xue-ping ZHANG Yu |
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| Institution: | ZHANG Jie-han1,GUO-Tao2,LI Xue-ping1,ZHANG Yu1 (1.College of Physics and Information Engineering,Henan Normal University,Xinxiang 453007,China,2.Department of Physics,Xinxiang College,Xinxiang 453000,China) |
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| Abstract: | Evaporation duct is the highest frequency duct near the sea surface.It can make the radar electromagnetic wave spread to a far fetch,and will have an important effect on the detection performance of shore-base radar and ship-borne radar.The purpose of this article is to evaluate the shadow zone of radar in the evaporation duct environment.By building differential calculation method based on ray tracing technology,the distribution of shadow zone of shore-base radar and ship-borne radar under different antenn... |
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| Keywords: | ship-borne radar evaporation duct shadow zone of radar ray tracing |
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