摘要
空天目标的准确探测是识别面临的首要问题,目标电磁散射特性是雷达传感器目标识别的重要依据。概述了国外空天目标电磁散射特性研究发展现状,针对高动态复杂结构空天目标电磁散射精确建模、高效仿真和识别应用的普适性等难点问题,提出了空天目标电磁散射特性建模与特征认知技术研究途径。并结合仿真算例阐述了目标群动态场景构建、目标特性高效生成,以及微动、分离和目标群等典型动态场景特征认知的实现方法;针对未来空天目标发展引起的散射机理变化,提出了未来空天目标特性深化研究的发展设想。
Accurate detection of aerospace target is the primary challenge of recognition.The electromagnetic scattering characteristics are an important basis for radar sensor-based target recognition in defense systems.This paper summarizes the current status of foreign research on the electromagnetic scattering characteristics of aerospace target.Aiming at the difficulties such as accurate modeling,efficient simulation,and recognition of application of electromagnetic scattering characteristics of aerospace targets with high dynamic and complex structures,the research approach of electromagnetic scattering characteristics modeling and feature recognition technology of aerospace targets are proposed.Combined with simulation examples,it expounds the methods for realizing dynamic scene construction of target groups,efficient generation of target characteristics,and feature cognition of typical dynamic scenes such as micro-motion,separation and target groups.This paper analyzes changes in the scattering mechanism caused by the future development of aerospace targets and presents ideas for deepening research on the characteristics of aerospace defense targets.
作者
肖志河
任红梅
董纯柱
赵涛
陈轩
XIAO Zhihe;REN Hongmei;DONG Chunzhu;ZHAO Tao;CHEN Xuan(National Key Laboratory of Scattering and Radiation,Beijing 100854,China)
出处
《现代防御技术》
北大核心
2023年第3期83-90,共8页
Modern Defence Technology
关键词
空天目标
目标特性
电磁散射特性
动态场景
高效生成
特征认知
aerospace target
target characteristic
electromagnetic scattering characteristics
dynamic scene
the efficient generation
feature cognition
