基于DeepInSight大气模型对红外辐射测量精度研究

Research on Measurement Accuracy of Infrared Radiation Based on DeepInSight Atmospheric Model

针对红外辐射特性测量中,大气传输修正精度对目标辐射特性反演的影响,论文采用基于我国典型大气模式结合实时气象数据的DeepInSight与经典大气模式MODTRAN修正数据进行对比,并采用200mm口径中波红外辐射测量系统进行外场测试。采用DeepInSight模式进行计算的大气透过率和程辐射修正数据要优于MODTRAN的修正结果,在1.5km应用DeepInSight的辐射测量精度约为2.7%,优于应用经典模型MODTRAN的精度误差27%,结果证明DeepInSight可以进一步提高目标红外辐射测量精度。

Aiming at the influence of atmospheric transmission correction accuracy on the inversion of target radiation characteristics in the measurement of infrared radiation characteristics,this paper compares the deep insight based on China’s typical atmospheric model combined with real-time meteorological data with the MODTRAN correction data of classical atmospheric model,and uses the 200mm medium wave infrared radiation measurement system for field test. The atmospheric transmittance and range radiation correction data calculated by DeepInSight mode are better than the correction results of MODTRAN. The radiation measurement accuracy of DeepInSight at 1.5km is about 2.7%,which is better than that of the classical model MODTRAN. The results show that DeepInSight can further improve the accuracy of target infrared radiation measurement.