卫星目标光学特性建模与仿真研究  

Optical properties modeling and simulation of satellite targets

作　　者：侯雅琴 陶东兴 徐彦彤 林博颖[1] 毕研强[1] HOU Yaqin;TAO Dongxing;XU Yantong;LIN Boying;BI Yanqiang(Beijing Institute of Spacecraft Environment Engineering,Beijing 100094,China)

机构地区：[1]北京卫星环境工程研究所,北京100094

出　　处：《航天器环境工程》2025年第2期221-226,共6页Spacecraft Environment Engineering

基　　金：XX基础科研计划项目(编号:JCKY2022203C205)。

摘　　要：为监测空间在轨目标,保障在轨运行航天器安全,需明确空间目标的光学特性。文章针对某新型卫星建立了包含几何模型和辐射模型的卫星光学特性数学仿真模型,并搭建了基于数字微镜器件(DMD)投影装置的光学特性半实物仿真系统。模型验证结果表明:目标光学特性数字建模方法可有效获取卫星目标的光学特性,所得某卫星不同谱段下的三维数字仿真图像的几何轮廓清晰;半实物仿真系统能够生成高质量的卫星运动场景,满足目标探测与识别算法研究的需求。所提方法可为评估光学相机性能和空间态势感知等应用提供技术支撑。Understanding the optical properties of space targets is crucial for monitoring space objects in orbit and ensuring the safety of spacecraft in orbit.In this paper,a mathematical simulation model of the optical properties of a satellite was proposed,including geometric and radiation models.Furthermore,a hardware-in-theloop simulation system based on a digital micromirror device(DMD)projection unit was constructed.Model validation confirmed that the digital modeling method effectively acquires the optical properties of satellite targets.This method generated three-dimensional digital simulation images of a satellite at different spectral bands,featuring clear geometric contours.The hardware-in-the-loop(HIL)simulation system produces highquality satellite motion scenes,meeting the needs of target detection and recognition algorithm research.The proposed method provides technical support for applications including evaluating optical camera performance and space situation awareness.

关 键 词：卫星目标 光学特性 建模 半实物仿真 

分 类 号：V419.9[航空宇航科学与技术—航空宇航推进理论与工程]