| 光谱学与光谱分析 |
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| Design of Plant Leaf Bionic Camouflage Materials Based on Spectral Analysis |
| YANG Yu-jie, LIU Zhi-ming, HU Bi-ru, WU Wen-jian* |
| College of Science, National University of Defense Technology, Changsha 410073, China |
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Abstract The influence of structure parameters and contents of plant leaves on their reflectance spectra was analyzed using the PROSPECT model. The result showed that the bionic camouflage materials should be provided with coarse surface and spongy inner structure, the refractive index of main content must be close to that of plant leaves, the contents of materials should contain chlorophyll and water, and the content of C—H bond must be strictly controlled. Based on the analysis above, a novel camouflage material, which was constituted by coarse transparent waterproof surface, chlorophyll, water and spongy material, was designed. The result of verifiable experiment showed that the reflectance spectra of camouflage material exhibited the same characteristics as those of plant leaves. The similarity coefficient of reflectance spectrum of the camouflage material and camphor leaves was 0.988 1, and the characteristics of camouflage material did not change after sunlight treatment for three months. The bionic camouflage material, who exhibited a high spectral similarity with plant leaves and a good weather resistance, will be an available method for reconnaissance of hyperspectral imaging hopefully.
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Received: 2010-08-09
Accepted: 2010-11-10
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Corresponding Authors:
WU Wen-jian
E-mail: wjwu67@126.com
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