红外辐射量测量是获取目标红外辐射特性的直接、有效的方式。本文在真空冷背景条件下，针对红外特性测量系统所处平台的自身旋转、摆动等不稳定性因素，对红外特性测量系统与目标之间存在的相对运动、以及测量系统自身温度变化对红外辐射特性测量结果精度的影响进行分析。分析结果表明测量精度受多因素相互制约影响，并给出具体的影响模型，对平台设计优化和测量误差评估具有指导意义。
红外辐射特性 测量精度 试验分析 infrared radiation measurement accuracy experimental analysis
1 School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
2 Department of Electrical and Computer Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
3 Department of Electrical Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588-0511, USA
4 Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
