利用物质的介质损耗系数进行微波检测  

Detect Material by Microwave Dielectric Loss Coefficient

作　　者：李伟光[1] 彭昭[1] 

机构地区：[1]四川理工学院自动化与电子信息学院,四川自贡643000

出　　处：《四川理工学院学报（自然科学版）》2011年第3期345-347,共3页Journal of Sichuan University of Science & Engineering(Natural Science Edition)

摘　　要：当微波照射在物质上,会呈现出穿透、反射和吸收三个特性。物质对微波的吸收程度主要由物质的介质损耗系数决定,物质吸收电磁波后会产生诸如发热等物理特性的变化,相应的电磁波能量就会衰减。通过检测这些物理变化,可以检测物质的存在以及含量,利用电磁波具有穿透特性可以实现无损检测。Material will present characteristics of penetration,reflection and absorption when microwave is shining on it.The microwave absorption is depended on dielectric loss coefficient and material will show some physical properties such as heating.Correspondly,energy of electromagnetic will be weaken.We can dectect the material and content by detect those physical changes and achieve non-destructive testing using electromagnetic＇s feature of penetration.

关 键 词：微波检测 趋肤效应 无损检测 

分 类 号：TN98[电子电信—信息与通信工程]