现代雷达2025，Vol.47Issue(10)：32-41,10.DOI:10.16592/j.cnki.1004-7859.2025070301
宽带双基地雷达运动目标特性回波建模
Modeling of Characteristic Echoes for Moving Targets in Broadband Bistatic Radar
焦钰凯 1许肖 1陈轩 2李杨1
作者信息
- 1. 哈尔滨工业大学 电子与信息工程学院,黑龙江 哈尔滨 150001
- 2. 散射辐射全国重点实验室,北京 100854
- 折叠
摘要
Abstract
This paper proposes a comprehensive modeling method for echo signal simulation of high-speed moving targets in bistatic wideband radar systems.In spaceborne bistatic radar scenarios,the targets are typically high-speed aerial objects.Traditional"stop-and-go"models fail to account for intra-pulse motion effects and dynamic scattering characteristics,leading to inaccurate echo simulation.To address this issue,a time-varying geometric model that considers changes in target position and orientation is introduced.The radar echo is modeled as a response modulated by phase variations caused by target motion and scattering proper-ties.Based on the generated time-domain echo of moving targets under this modulation,the echo signals and corresponding high-resolution one-dimensional range profiles can be accurately simulated.The effectiveness of the proposed method is validated through simulations,which exhibit noticeable peak shifts,mainlobe broadening,and amplitude fluctuations caused by intra-pulse motion and bistatic angle variations.These effects highlight the necessity of jointly considering motion and scattering modulation in practical radar signal modeling,providing a foundation for improving detection,imaging,and recognition performance based on tar-get echoes and range profiles.关键词
双基地雷达/运动目标/电磁散射特性/雷达回波仿真/一维距离像Key words
bistatic radar/dynamic target/electromagnetic scattering characteristic/radar echo simulation/high-resolution range profile分类
电子信息工程引用本文复制引用
焦钰凯,许肖,陈轩,李杨..宽带双基地雷达运动目标特性回波建模[J].现代雷达,2025,47(10):32-41,10.
