| 不同表面激光双向反射分布函数的实验研究 |
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| 引用本文： | 吴振森,江荣熙.不同表面激光双向反射分布函数的实验研究[J].光学学报,1996,16(3):62-268. |
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| 作者姓名： | 吴振森 江荣熙 |
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| 作者单位： | 西安电子科技大学物理系，中国科学院安徽光学精密机械研究所遥感部 |
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| 摘 要： | 根据粗糙面电磁散射理论讨论了粗糙表面双向反射分布函数（ＢＲＤＦ）和单位面积激光雷达截面的关系。测量不同粗糙度金板、铝基、钢基和涂层样片在０．６３μｍ的双向反射分布函数。分析了高度起伏均方根δ，斜率起伏均方根ｓ，介电常数对双向反射分布函数的影响。最后，将部分粗糙样片的双向反射分布函数理论计算结果与实验数据比较，两者有良好的吻合。
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| 关 键 词： | 双向 反射分布函数 激光雷达截面 电磁散射 |
| 收稿时间： | 1994/10/28 |
Experimental Study on Bidirectional Reflectance Distribution Function of Laser Scattering from Various Rough Surfaces |
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| Wu Zhensen,Han Xiange,Zhang Xiangdong.Experimental Study on Bidirectional Reflectance Distribution Function of Laser Scattering from Various Rough Surfaces[J].Acta Optica Sinica,1996,16(3):62-268. |
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| Authors: | Wu Zhensen Han Xiange Zhang Xiangdong |
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| Abstract: | The relationship between Bidirectional Reflectance Distribution Function (BRDF) and Laser Rader Cross Section (LRCS) is introduced by means of the electromagnetic radiation and scattering theories. The experimental measurements are made for BRDF of various samples with roughness at wavelength of 0.63 μm, and the influences of the surface height standard deviation, the correlation length and dielectric constant on BRDF are considered. The partial measured data are in good agreement with theorical calculation. |
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| Keywords: | BRDF(Bidiretional Reflectance Distribution Function) LRCS (Laser Radar Cross Section) electromagnetic scattering roughness |
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