基于EMASPro的目标RCS特性仿真研究

Research on Target RCS Characteristic Simulation Based on EMASPro

雷达散射截面积(radar cross section,RCS)对目标的识别、检测、跟踪等提供了必要的特征参数支撑,但外场测试的高成本以及敌方非合作目标的限制使大样本目标RCS的获取变得困难。利用电磁仿真计算获取RCS成为一种经济、有效的数据来源。本文基于电磁仿真软件EMASPro,先后分析了其使用的高频渐进算法及最大可仿真尺寸,三种简单定标体仿真结果与理论的对比,较复杂目标的建模与仿真分析。结果表明,该软件具有较高的可靠性和有效性,对目标特性数据库的建设具有较高价值。

Radar cross section(RCS)values provide necessary characteristic parameter information for target identification,detection,and tracking.However,the high cost of field test and the limitation caused by uncooperative enemy targets make large sample target RCS data become difficult to obtain.Using electromagnetic simulation calculations to obtain RCS data has become an economical and effective approach.In this paper,the high-frequency progressive algorithm used by the electromagnetic simulation software EMASPro and the maximum simulation size of the software are analyzed firstly.Then,the EMASPro simulation results of three common calibration bodies are compared with matching theoretical calculating values.Finally,the modeling and simulation analysis of a more complex target are performed.The results show that the software has high reliability and effectiveness.It is of high value for the construction of target characteristic databases.