基于WebGIS的雷达遮蔽角分析系统开发及应用  

Development and Application of Radar Shielding Angle Analysis System Based on WebGIS

作　　者：李乾乾 郭黎[1] 刘贺 王彩璇 张婉晨 白翔天 LI Qianqian;GUO Li;LIU He;WANG Caixuan;ZHANG Wanchen;BAI Xiangtian(Institute of Geographic Space Information,Information Engineering University,Zhengzhou 450001,China)

机构地区：[1]信息工程大学地理空间信息学院,河南郑州450001

出　　处：《测绘与空间地理信息》2023年第5期55-58,共4页Geomatics & Spatial Information Technology

基　　金：国家科技部基础资源调查专项(2019FY202501)资助。

摘　　要：针对雷达遮蔽角计算效率不高、雷达探测信息可视化不及时等问题,本文提出一种快速计算雷达遮蔽角的方法,考虑地球曲率对遮蔽角计算的影响,绘出雷达不同高度层的可视域。并以全球影像数据和全球数字高程模型等地理空间数据为基础,开发基于WebGL协议和B/S架构的遮蔽角分析系统,实现雷达可视域及遮蔽角信息的实时可视化,在虚拟的三维环境中直观、动态、实时地展示雷达可探测区域,为雷达阵地部署提供决策依据。Aiming at the problems of low efficiency of radar shielding angle calculation and untimely visualization of radar detection information,this paper proposes a fast method to calculate radar shielding angle.Considering the influence of the curvature of the earth on the calculation of shielding angle,the visible fields of radar at different height levels are drawn.On the basis of global image data,global digital elevation model and other geospatial data,a shielding angle analysis system based on WebGL protocol and B/S architecture is developed to realize the real-time visualization of radar visibility and shielding angle information,and display the radar detectable area intuitively,dynamically and in real time in a virtual three-dimensional environment,providing decision-making basis for radar position deployment.

关 键 词：雷达遮蔽角 可视域 雷达遮蔽角分析系统 

分 类 号：P208[天文地球—地图制图学与地理信息工程]