【作者】 刘扬阳；

【导师】 尚士哲；

【作者基本信息】 长春光学精密机械学院 ， 光学， 2001， 硕士

【摘要】 为适应红外热成像系统的发展要求，本文采用面向对象的程序设计语言—DelPhi语言，对红外热成像系统性能的计算机辅助设计探讨了一条有效的途径。 本文对研究课题采用类和目标的定义方法，描述了红外热成像系统中目标、背景、大气传输、红外接收和信号处理等子系统，通过理论分析，在比较的基础上，建立了验证热成像仪静态性能的数学模型，运用Delphi语言和数据库，将数据输入，静态性能计算，结果输出和文件管理等融为一体，形成一个较完整的软件包。达到了直观、方便的操作效果。 完成的程序对机载前视红外仪、医用热像仪等具有代表性的几种热像仪进行性能分析，得到的调制传递函数（MTF），噪声等效温差（NETD）等性能参数的数据表格和曲线图，同野外实验所得数据相差误差在10％～20％左右，该模型基本反映系统特性，满足用户使用和二次开发的需要。更多还原

【Abstract】 Under the demand of thermal imaging system developing ,one effective way of computer simulation which can be used in the infrared imaging systems to analysis and evaluate its performance is found.Class with the object in the computer simulation for the researchering project is defined. On the base of the theoretical analysis , the mathematical models to test the static performance of thermal imaging systems through comparison is established. Applying Delphi and database, datum inputting, static performance calculating , results outputting and documents managing mix together. one integrated software package formed can reach visibleconvenient effect of operation.The accomplished program analysis some typical thermal imaging systems?performance ,such as Front Launching Infrared System, medical thermal imaging system and so on, whose modulate transfer function (MTF) and Noise equivalent temperature difference (NETD) of the data table and graph is within 10% ?20% error than the outdoors experimentation抯 datum. It basically obtained the thesis demand to replace the outdoors experiments and meet the requirement for using and second researching.更多还原