Progress on Hyperspectral Camouflage Materials and Techniques for Spectral Characteristic Simulation of Green Vegetation
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摘要: 高光谱成像技术对伪装隐身技术提出了新的更高要求。研究绿色植被光谱特征的各种模拟技术,可为解决高光谱成像探测下目标的伪装问题提供新的思路。本文总结了绿色植物在可见-近红外波段以及热红外波段的光谱特征,分析了其在不同波段的光谱特性形成机制,阐述了近年来模拟绿色植被光谱特征的高光谱伪装材料与技术的研究进展,分析了现有高光谱伪装材料与技术的特点及存在的弊端,提出了模拟绿色植被光谱特征的高光谱伪装材料与技术的发展方向和趋势。Abstract: Hyperspectral imaging technologies have put forward newer and higher requirements for camouflage and stealth technology. By studying the spectral characteristic simulation technology of various green vegetation, new ideas can be explored to solve the problem of target camouflage under hyperspectral imaging reconnaissance. This paper summarized spectral features of greenery in the visible-near-infrared band as well as the thermal infrared band, and analyzed the formation mechanism of its spectral property in those two bands. Furthermore, the research progress on the hyperspectral camouflage materials and techniques for simulating the spectral characteristics of green vegetation in recent years were described. Based on the analysis of the disadvantages of the existing hyperspectral camouflage materials and technologies, the development direction and trend of hyperspectral camouflage materials and technologies for simulating the spectral characteristics of green vegetation were proposed.
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图 11 酞菁锌的分子结构对其紫外可见吸收光谱的影响:(a)分子结构图;(b) 紫外可见吸收光谱[24]
Figure 11. Effect of molecular structure of zinc phthalocyanine on its UV-VIS absorption spectrum (a) molecular structure; (b) UV-Vis absorption spectra
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