[1]吴沿庆,廖守亿,张作宇,等.飞行器红外辐射计算及图像生成技术研究[J].红外技术,2018,40(12):1155-1160.[doi:10.11846/j.issn.1001_8891.201812007]
 WU Yanqing,LIAO Shouyi,ZHANG Zuoyu,et al.Infrared Radiation Calculation and Image Generation Technology for Aircrafts[J].Infrared Technology,2018,40(12):1155-1160.[doi:10.11846/j.issn.1001_8891.201812007]
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飞行器红外辐射计算及图像生成技术研究
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
40
期数:
2018年第12期
页码:
1155-1160
栏目:
出版日期:
2018-12-21

文章信息/Info

Title:
Infrared Radiation Calculation and Image Generation Technology for Aircrafts
文章编号:
1001-8891(2018)12-1155-06
作者:
吴沿庆廖守亿张作宇李晨霖花 超
火箭军工程大学 控制工程系,陕西 西安,710025
Author(s):
WU YanqingLIAO ShouyiZHANG ZuoyuLI ChenlinHUA Chao
Department of Control Engineering, Rocket Force University of Engineering, Xi’an 710025, China
关键词:
红外辐射图像N-S方程组数值模拟射线跟踪反向蒙特卡洛法
Keywords:
infrared radiation imageN-S equationsnumerical simulationray tracingreverse Monte Carlo method
分类号:
TP391
DOI:
10.11846/j.issn.1001_8891.201812007
文献标志码:
A
摘要:
飞行器红外成像的关键技术是将接收的红外辐射能量转换为可见的灰度图像。基于飞行器红外辐射特性和红外传感器的成像原理,提出了一种利用射线跟踪(Ray tracing)结合反向蒙特卡洛法(RMC)的飞行器目标红外辐射图像生成技术的实现方法。首先利用三维建模软件建立飞行器的几何模型,并利用商业软件ICEM对模型进行网格划分,然后基于流体力学基本守恒定律——N-S方程组的基本原理,利用Fluent软件对飞行器外流场进行数值模拟,获得飞行器的温度场分布,最后利用反向蒙特卡洛法对射线的辐射传递过程进行概率模拟计算,利用MODTRAN进行了大气传输衰减的透过率计算,利用射线跟踪技术获得了飞行器的红外辐射图像。
Abstract:
The key technology of aircraft infrared imaging is to convert the received infrared radiation energy into visible gray images. Based on the infrared radiation characteristics of the aircraft and imaging principle of the infrared sensor, a method to realize the infrared radiation image generation technology of the aircraft target using ray tracing combined with the reverse Monte Carlo method (RMC) is proposed. First, the geometrical model of the aircraft is established using the 3D modeling software, which is meshed by the commercial software ICEM. Then, based on the basic law of conservation of fluid mechanics and principle of the Navier-Stokes equations, external flow field distribution is numerically simulated by Fluent, thus, the temperature field distribution of the aircraft is obtained. Finally, the radiation transmission process was simulated by the RMC, and the transmissivity of the atmospheric transmission attenuation was calculated through the MODTRAN. The infrared radiation image of the aircraft was obtained by the ray tracing technique.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-08-21;修订日期:2017-10-16.
作者简介:吴沿庆(1993-),男,安徽池州人,硕士生,主要研究方向为导航、制导与仿真方面研究。E-mail:1351771462@qq.com。
通信作者:廖守亿(1974-),男,重庆人,教授,硕士生导师,主要研究领域为复杂系统建模与仿真、导弹精确制导与控制。E-mail:6127725@qq.com。
基金项目:国家自然科学基金项目(11602296、61673017)、中国博士后科学基金特别资助项目(2014T70974)。
更新日期/Last Update: 2018-12-19