基于OSG的三维雷达探测范围构建与优化实现

为了帮助指挥员在电子对抗中准确判断态势，研究三维雷达探测范围构建与优化实现技术。基于OpenSceneGraph（OSG）三维图形引擎，结合雷达探测范围二维包络线和雷达天线垂直方向图函数，实现了三维雷达探测范围的通用计算方法。针对雷达数据量大、数据实时更新的特点,分2个阶段进行优化：降低算法复杂度，优化计算方法；使用OSG的多线程技术，对计算绘制过程进行并行处理。通过试验与分析，验证了本文方法的高效性。

Construction and Optimization Implementation of 3D Radar Detection Range Based on OSG

To help the commander determine situation accurately in electronic countermeasure, this paper researches the construction and optimization implementation technology of 3D radar detection range. Based on Open Scene Graph (OSG) 3D graphics engine, and combining radar detection 2D area with vertical detecting distance calculating method, this paper achieves the general method for calculating 3D radar detection range. In the light of the large volume of radar data and realtime data updating, it is optimized in two stages: reducing the algorithm complexity and optimizing calculation method; using OSG multithreading technology to conduct parallel processing for the calculating drawing process. Through the test and analysis, the efficiency of multithread method is proved. 