| 伪装涂层材料的二向偏振散射研究 |
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| 引用本文： | 张朝阳,程海峰,陈朝辉,郑文伟,曹义.伪装涂层材料的二向偏振散射研究[J].光学技术,2009,35(1). |
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| 作者姓名： | 张朝阳 程海峰 陈朝辉 郑文伟 曹义 |
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| 作者单位： | 国防科技大学,航天与材料工程学院新型陶瓷纤维及其复合材料国防科技重点实验室,长沙,410073 |
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| 摘 要： | 目标的偏振散射特征研究是偏振遥感应用的基础。在不同的条件下测量了伪装涂层的偏振参数,研究了入射角、观测方位角对涂层偏振散射特征的影响。研究发现,伪装涂层的面散射会产生较大的偏振度,而体散射具有消偏振效应;深色涂层因为面散射起主要作用而具有较大的偏振度;涂层散射光的偏振度与入射角成正比,在观测方位角接近镜面反射方向时最大,随着方位角的增加而迅速减小;草地的偏振度很小,与伪装涂层形成鲜明对比。利用偏振遥感可以有效地识别草地背景中的伪装目标,偏振测量在遥感和目标识别方面具有重要意义。
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| 关 键 词： | 光学测量 偏振散射 伪装涂层 方位角 偏振遥感 |
Study of bi-directional polarimetric scattering of camouflage coatings |
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| ZHANG Zhao-yang,CHENG Hai-feng,CHEN Zhao-hui,ZHENG Wen-wei,CAO Yi.Study of bi-directional polarimetric scattering of camouflage coatings[J].Optical Technique,2009,35(1). |
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| Authors: | ZHANG Zhao-yang CHENG Hai-feng CHEN Zhao-hui ZHENG Wen-wei CAO Yi |
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| Institution: | Key Lab of Advanced Ceramic Fibers and Composites;School of Aerospace and Materials Engineering;National University of Defense Technology;Changsha 410073;China |
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| Abstract: | Study of polarimetric scattering characteristics of targets is the basis of polarization remote sensing.Polarmetric characteristics of camouflage coatings are measured in different conditions.The influence of incidence angle and azimuth angle on polarization degree is studied.The result of experiments shows that surface scattering of coatings increases polarization degree and volume scattering have the effect of depolarization.Polarization degree of fuscous coatings is higher because of surface scattering.P... |
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| Keywords: | optical measurement polarimetric scattering camouflage coatings azimuth angle polarization remote sensing |
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