红外仿真中的海面辐射模型  

Sea surface radiation models in infrared image simulation

作　　者：任海刚[1] 邢强[1] 陈汉平[1] 徐杲[2] 刘玉峰[2] 

机构地区：[1]上海交通大学机械与动力工程学院,上海200030 [2]中国船舶工业集团总公司系统工程部,北京100036

出　　处：《红外与激光工程》2006年第5期546-550,共5页Infrared and Laser Engineering

摘　　要：作为海面目标的主要背景,海面的红外辐射特性对于舰船红外仿真研究具有重大意义。建立了三种海面辐射计算模型:漫射灰体、平静海面和波浪海面,并针对红外仿真中舰船辐射场和海面背景红外热像模拟两方面的计算要求比较分析了三种模型的计算结果。结果表明,对于舰船辐射场计算而言,使用经验模型已经具有足够的精度;而在模拟海面背景红外热像时,波浪的影响不可忽视,必须采用波浪海面模型模拟海面辐射亮度。The infrared radiation characteristics of sea surface are important for simulation of infrared ship image, because sea surface is the major background of ship. In the paper, three kinds of sea surface radiation models were introduced, which were diffuse gray-body model, calm sea surface model and rough sea surface model. The models were compared and analyzed according to different demands of infrared simulation. The results show that calm sea surface model is precious enough and time saving in computation of radiation field of ship, while in simulation of sea surface infrared image, the rough sea surface model is the only choice since the impacts of wave can not be ignored.

关 键 词：波浪海面 红外仿真 海面辐射 

分 类 号：O435.1[机械工程—光学工程]