| 复杂地面背景红外热像模拟 |
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| 引用本文： | 韩玉阁,刘荣辉,宣益民.复杂地面背景红外热像模拟[J].南京理工大学学报(自然科学版),2007,31(4):487-490. |
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| 作者姓名： | 韩玉阁 刘荣辉 宣益民 |
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| 作者单位： | 南京理工大学,动力工程学院,江苏,南京,210094 |
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| 摘 要： | 该文利用数字地面高程模型(DEM)数据生成了三维地形结构,利用蒙特卡洛方法计算了复杂地形对太阳辐射的遮挡情况,获得了太阳辐射投影系数和地表上的太阳辐射强度分布.利用一维温度模型和太阳辐射强度分布,建立了地表的三维温度分布的计算方法和复杂地表的红外辐射特性的计算方法,利用蒙特卡洛方法计算了地表对太阳红外辐射的反射,获得了较为逼真的复杂地表红外模拟热像.
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| 关 键 词： | 复杂地表 红外辐射 红外热像 地面背景 红外热像模拟 Background Complex Terrain Simulation Image 模拟热像 反射 太阳红外辐射 红外辐射特性 复杂地表 计算方法 三维温度分布 温度模型 一维 强度分布 投影系数 情况 遮挡 太阳辐射 |
| 文章编号： | 1005-9830（2007）04-0487-04 |
| 修稿时间： | 2006-03-31 |
Infrared Image Simulation of Complex Terrain Background |
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| HAN Yu-ge,LIU Rong-hui,XUAN Yi-min.Infrared Image Simulation of Complex Terrain Background[J].Journal of Nanjing University of Science and Technology(Nature Science),2007,31(4):487-490. |
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| Authors: | HAN Yu-ge LIU Rong-hui XUAN Yi-min |
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| Institution: | School of Power Engineering, NUST, Nanjing 210094, China |
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| Abstract: | The three dimensional terrain geometrical structure is generated with the DEM data. The projection coefficient of the sun radiation is obtained by calculating the complex terrain shielding condition to the sun radiation with the Monte-Carlo method. The sunradiant intensity distribution of the terrain surface is calculated with the projection coefficient. The three dimensional temperature distri- bution of the terrain surfacee is obtained with the one dimensional temperature distribution and the projection coefficient. The method of calculating the infrared radiation of the complex terrain surface is put forward, and the terrain surface infrared reflection to the sun radiation is calculated by the Monte- Carlo method. The more realistic infrared image of the complex terrain surface is obtained. |
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| Keywords: | complex terrain surface infrared radiation infrared image |
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