电磁吸波材料中的阻抗匹配条件  

Impedance matching condition of electromagnetic absorbing material

作　　者：丁世敬[1,2] 葛德彪[1] 黄刘宏[2] 

机构地区：[1]西安电子科技大学理学院,陕西西安710071 [2]总参工程兵科研三所,河南洛阳471023

出　　处：《电波科学学报》2009年第6期1104-1108,共5页Chinese Journal of Radio Science

摘　　要：电磁吸波材料研制中一个关键性问题就是匹配规律问题。根据电磁波与材料相互作用的原理,从电磁波在材料中传播的波阻抗关系出发,探讨并提出了电磁波在电磁吸波材料表面无反射吸收时的阻抗匹配条件,讨论了该匹配条件的物理意义,并应用电磁场数值方法验证了其正确性和适用性。该匹配条件简单明晰,它对于研制高水平的电磁吸波材料具有重要的指导作用。Impedance matching law is a key problem in the development of electromagnetic absorbing material. Base on interaction between electromagnetic wave and material, the impedance formula is obtained when electromagnetic wave transmit through the material. It follows that an impedance matching condition without surface reflection when incident electromagnetic wave is given. And furthermore, the correctness and applicability are validated by electromagnetic numeric calculus. This matching condition has specific physic significance, and the formula is simple, transparent and advantageous to develop high efficient electromagnetic absorbing material.

关 键 词：匹配条件 吸波材料 波阻抗 

分 类 号：O451[理学—无线电物理] TN011[理学—物理]