斜入射时网格法在吸波材料吸波机理研究中的应用
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摘要
通过平面波反射系数公式和传输线理论,给出了电磁波斜入射时单层吸波材料反射系数公式,利用网格法对材料的电磁参数、厚度、频率与总后向反射率的关系,进行了分组讨论与匹配设计,指出低频段材料的外形设计应该根据不同频率点的强吸收特点采取厚度渐变式.
Using the plane wave reflection coefficient formula and transmission line theory of electromagnetic wave,the single layer absorbing material reflection coefficient formula of electromagnetic parameters were given when electromagnetic wave is the oblique incidence. At the meanwhile,the group discussion and matching design with the grid method were carried out to discuss the relationship among the material,thickness,frequency and the reflectivity.The result of research shows that,for the appearance design of low-frequency materials,the thickness gradient design should be adopted according to the strong absorption characteristics at different frequency points.
Using the plane wave reflection coefficient formula and transmission line theory of electromagnetic wave,the single layer absorbing material reflection coefficient formula of electromagnetic parameters were given when electromagnetic wave is the oblique incidence. At the meanwhile,the group discussion and matching design with the grid method were carried out to discuss the relationship among the material,thickness,frequency and the reflectivity.The result of research shows that,for the appearance design of low-frequency materials,the thickness gradient design should be adopted according to the strong absorption characteristics at different frequency points.
引文
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[2]TIAN Xia.Hydrogenated Ti O2nanocrystals:A novel microwave absorbing material[J].Adv Mater,2013,25(47):6905-6910.
[3]NI Qianqian.One-dimensional carbon nanotube barium titanate polyaniline multi hetero structures for microwave absorbing application[J].Nanoscale Res Lett,2015,170:174.
[4]彭泽雨,李颖,张海丰.雷达吸波材料在Salisbury屏优化设计中的应用[J].黑龙江工程学院学报,2018,32(2):41-44.PENG Zeyu,LI Ying,ZHANG Haifeng.Theoretical study on electromagnetic parameter matching of anti-electromagnetic radiation materials during oblique incidence[J].Journal of Heilongjiang Institute of Technology,2018,32(2):41-44.
[5]袁承勋.实现轻、薄、宽涂层吸波材料的技术途径[J].哈尔滨工业大学学报,2007(6):956-959.YUAN Chengxun.Technical approach for the realization of light,thin and wide coating wave-absorbing materials[J].Journal of Harbin Institute of Technology,2007(6):956-959.
[6]翟祥宇.平板型吸波材料设计中表面反射的影响研究[J].佳木斯大学学报,2018,36(2):315-318.ZHAI Xiangyu.Research on the influence of surface reflection in the design of plate absorbing materials[J].Journal of Jiamusi University,2018,36(2):315-318.
[7]侯志灵,王殿杰,何朋.Fe3O4纳米纺锤体复合材料的制备及其高性能微波吸收[J].科学通报,2018,63(34):3667-3676HOU Zhiling,WANG Dianjie,HE Peng.Preparation of Fe3O4nanospindle composites and high performance microwave absorption[J].Scientific Briefings,2018,63(34):3667-3676
[8]张捷,刘伟,张婷.导电聚合物基复合吸波材料的研究进展[J].微纳电子技术,2018,55(2):91-97,129.ZHANG Jie,LIU Wei,ZHANG Ting.Research progress of conductive polymer composites for microwave absortion[J].Microelectronics,2018,55(2):91-97,129.
[9]张海丰.网格法在电磁屏蔽涂料参数计算机辅助设计中的应用[J].佳木斯大学学报,2018,36(1):42-44.ZHANG Haifeng.Application of the grid method in the computer-aided design of parameters match of electromagnetic shielding coating[J].Journal of Jiamusi University,2018,36(1):42-44.
[10]王毅,邓子乔,温慧安,等.基于多节点的低压宽带电力线信道建模方法研究[J].电力系统保护与控制,2018,46(3):18-25.WANG Yi,DENG Ziqiao.WEN Huian,et al.Study on multi-node broadband power line channel modeling[J].Power System Protection and Control,2018,46(3):18-25.
[11]李松浓,胡晓锐,郑可,等.低压电力线载波通信信道衰减特性测量与分析[J].电力系统保护与控制,2018,46(4):99-106.LI Songnong,HU Xiaorui,ZHENG Ke,et al.Measurement and research on attenuation characteristics of low voltage power line communication channel[J].Power System Protection and Control,2018,46(4):99-106.
[12]王伟强.网格法在雷达波吸收体电磁参数匹配中的应用研究[J].佳木斯大学学报,2018,36(1):141-143.WANG Weiqiang.Application of the grid method on the parameters match of radar absorbents[J].Journal of Jiamusi University,2018,36(1):141-143.
[13]张海丰.斜入射时平板吸波材料电磁参数匹配规律研究[J].江西师范大学学报(自然科学版),2017,41(6):641-644.ZHANG Haifeng.The study on the electromagnetic matching laws of absorbing materials at the oblique incidence of electromagnetic wave[J].Journal of Jiangxi Normal University(Natural Science Edition),2017,41(6):641-644.
[14]张海丰,李颖,韩海生,等.斜入射时电磁损耗材料吸波性能研究及计算机辅助设计[J].信阳师范学院学报(自然科学版),2017,30(4):623-626.ZHANG Haifeng,LI Ying,HAN Haisheng,et al.Theoretical study and design on the loss materials at the oblique incidence of electromagnetic wave[J].Journal of Xinyang Normal University(Natural Science Edition),2017,30(4):623-626.
[15]秦汝虎,秦柏.吸波材料设计中的全貌分析方法[J].哈尔滨工业大学学报,2002,34(5):579-583.QIN Ruhu,QIN Bai.Panorama analysis method in the design of absorbing material[J].Journal of Harbin Institute of Technology,2002,34(5):579-583.