对组成红外景象模拟器的各个子系统进行了深入地分析并详细介绍了各组成部分的功能及其之间的内在联系,给出了各个子系统的数学描述,用来仿真红外景象模拟器来促进算法的发展而提高景象模拟的逼真度。根据其结构特征分析了红外景象模拟器在工作过程中的噪声问题,为红外景象模拟器的评估研究提供了有利的依据。 The subsystems that make up the infrared scene simulator are analyzed in depth and the functions of the components and their inter-relationships are analyzed in detail. The mathematical description of each subsystem is given to simulate the infrared scene simulator Promote the development of algorithms to improve the fidelity of scene simulation. According to its structural characteristics, the noise of infrared scene simulator during operation is analyzed, which provides a good basis for the evaluation of infrared scene simulator.