董星龙

个人信息Personal Information

教授

博士生导师

硕士生导师

性别:男

毕业院校:中国科学院金属研究所

学位:博士

所在单位:材料科学与工程学院

学科:材料物理与化学. 材料学

办公地点:新三束实验室201

联系方式:0411-84706130

电子邮箱:dongxl@dlut.edu.cn

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吸波材料优化匹配的理论分析

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发表时间:2008-01-01

发表刊物:材料科学与工艺

期号:5

页面范围:596-599

ISSN号:1005-0299

摘要:In order to research the effects of electromagnetic parameters and the thickness on microwave absorption properties of one-layer and two-layer coatings, a computer simulation was carried out according to the theory of electromagnetic wave transmission. The calculation results well display the relationships among the values of electromagnetic parameters, thickness of the coating, frequency and microwave absorption properties. The thickness matching and impedance matching of the two-layer coating were also investigated and discussed. It is indicated that the microwave absorption peak moves to low frequency with the increasing thickness and becomes multi-peaks. The absorption materials present an excellent property when the matching constant M is 0.25. For the two-layer coating of microwave absorption materials, thickness matching and impedance matching directly affect the absorption properties of the materials.

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