基于高频算法的舰艇RCS仿真与特性分析  

Simulation and Characteristic Analysis of Ship RCS Based on High Frequency Algorithm

作　　者：何昊天 吴玲[1] 卢发兴[1] HE Haotian;WU Ling;LU Faxing(College of Weaponry Engineering,Naval University of Engineering,Wuhan 430033)

机构地区：[1]海军工程大学兵器工程学院,武汉430033

出　　处：《舰船电子工程》2022年第10期87-92,共6页Ship Electronic Engineering

摘　　要：为实现基于雷达目标散射横截面积(RCS)对海上舰船目标结构、尺寸、方向分析,达到舰船识别分类、隐身性能分析的目的,论文在建立舰船简化模型和粗糙海面模型后,利用FEKO软件综合对比多层快速多层多极子、几何光学法、物理光学法等求解方法,找到一种能够准确、快速求解舰船类电大尺寸的RCS方法,对舰水复合目标进行仿真,并通过水面环境无人艇雷达RCS相对幅值测量实验,验证舰船RCS特性规律。通过提取RCS特征等方式对海面环境下不同类型舰船RCS仿真结果进行分析,并通过RCS结果的变化分析舰船方向对散射结果的影响。仿真结果表明,利用高频算法对舰船目标进行RCS仿真的结果复合舰船实际情况,在海面环境下仍具备可行性,且通过RCS特性分析能够较好地收集舰船目标的种类信息、方向信息。In order to analyze the structure,size and direction of ship targets based on radar cross section(RCS)and achieve the purpose of ship identification and stealth performance analysis,this paper comprehensively compares the solution methods of multi level fast multipole,geometric optics and physical optics by using FEKO software after establishing the ship simplified model and rough sea surface model,a method which can accurately and quickly solve the RCS of targets with large electrical size is found,and the simulation experiment of composite target with ship and water is carried out,the relative amplitude measurement experiment of radar RCS of unmanned ship in water environment is carried out to verify the characteristic law of ship RCS. The RCS simulation results of different types of ships in sea environment are analyzed by extracting RCS characteristics,and the influence of ship direction on scattering results is analyzed through the change of RCS results. The results show that the RCS simulation results of ship targets based on high-frequency algorithm accord with the actual situation,are feasible in the sea environment,and through RCS characteristic analysis can better collect the type information and direction information of ship targets.

关 键 词：雷达散射横截面积 舰船目标 粗糙海面 高频算法 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]