基于投影网格的三维雷达包络融合方法  

Method for radar coverage fusing based on projective grid

作　　者：刘彦君[1] 廖若彤 乔士东[1] 

机构地区：[1]国防科学技术大学信息系统工程重点实验室,长沙410073

出　　处：《计算机工程与应用》2013年第2期177-180,共4页Computer Engineering and Applications

基　　金：国家自然科学基金(No.71031007)

摘　　要：针对雷达探测范围的三维可视化问题,给出了投影网格融合算法(FatPig)。该算法在多个雷达包络的重叠区域构建面积较小、长度合适的网格,分别对每组重叠雷达包络对做竖投影和侧投影,逐步过滤得到较多的重叠区探测点和较少的非重叠区探测点,并以较低计算复杂度完成多个雷达包络的三维融合。采用标准重叠区探测点对比库方式,得到最优的网格长度,采用成对投影的策略从宏观角度降低计算复杂度,克服以往算法复杂度较高的弊端。分析了FatPig计算复杂度,并实验验证了算法的有效性。In order to solve the three-dimensional visualization problem of the radar detection range, this paper gives an algo- rithm of projection grid for cover fusion（FatPig）. The algorithm designs a smaller-area and appropriate-length grid in the over- lapping regions of multi-radar covers, then makes the horrent and tilted projection for each pair of radar covers, in order to gradu- ally filter more detection points in the overlapping area and less detection points out of the overlapping area, finally, gets the fu- sion of multi-radar covers at a lower computational complexity. It uses the method which needs to compare with the standard comparison libraries of overlapping detection points for gaining the optimal length of the grid, and uses the strategies of projec- tion by pairs for reducing the computational complexity from a macro perspective, which can overcome the high computational complexity shortage of former algorithms. It analyzes the computational complexity and validity of FatPig by experience.

关 键 词：雷达包络 包络融合 网格 投影 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]