CAJ | 학술논문

针对现有文献在卫星红外特性研究时忽略其物性参数随温度变化对红外特性的影响，首先建立了卫星温度场的理论计算模型；然后利用有限元法进一步推导了卫星太阳翼的物性参数随温度变化时卫星温度场的求解方法；接着建立了卫星红外辐射出射度与红外辐射强度空间分布的计算模型；最后计算分析了太阳翼物性参数随温度变化对自身温度和红外特性以及对卫星整体在3~6μm和6~16μm两个波段红外辐射强度空间分布的影响。文章的研究结果对于提高空间目标红外特性的计算精度以及空间目标的红外探测具有参考价值。
침대현유문헌재위성홍외특성연구시홀략기물성삼수수온도변화대홍외특성적영향，수선건립료위성온도장적이론계산모형；연후이용유한원법진일보추도료위성태양익적물성삼수수온도변화시위성온도장적구해방법；접착건립료위성홍외복사출사도여홍외복사강도공간분포적계산모형；최후계산분석료태양익물성삼수수온도변화대자신온도화홍외특성이급대위성정체재3~6μm화6~16μm량개파단홍외복사강도공간분포적영향。문장적연구결과대우제고공간목표홍외특성적계산정도이급공간목표적홍외탐측구유삼고개치。
The present literatures have not analyzed the influence of satellite's physical parameters changing with the temperature on its infrared feature. First, the theoretical calculation models of the satellite's temperature field were established. Second, the calculation method of the satellite's temperature field was deduced with the use of the finite element method (FEM) when physical parameters of solar panels changed with the temperature. Third, the calculation models of the satellite's infrared radiant emittance and its infrared radiant intensity were established. Finally, the influence of physical parameters of solar panels changing with the temperature on the surface temperature, infrared feature and the spatial distributions of infrared radiation intensities in 3-6μm band and in 6-16μm band of the satellite were calculated and analyzed. The research results of this paper have referential value on the improving calculation precision of infrared feature and infrared detecting of spatial targets.