时域门技术在传输/反射法介质电磁参数测量中的应用  

Application of Time Domain Gating Technology to Transmission/Reflection Method for Dielectric Electromagnetic Parameters Measurement

作　　者：曾国勋[1,2] 葛鹰[1] 张海燕[1,2] 贺春华[1] 陈天立[1] 

机构地区：[1]广东工业大学,广州510006 [2]毫米波国家重点实验室,南京210096

出　　处：《宇航材料工艺》2010年第1期76-80,共5页Aerospace Materials & Technology

基　　金：国家自然科学基金对外交流与合作项目(50610105054);高等学校博士学科点专项科研基金(20050562002);广东省自然科学基金(036918);粤港关键领域重点突破招标项目(20061683)

摘　　要：在传输/反射法测量电磁参数的基础上,分析了传统的传输/反射法在电介质微波电磁参数计算中的局限性,采用时域门技术,测试了空气、聚乙烯石蜡和BaM型铁氧体等材料的电磁参数。结果显示时域门技术可显著提高材料的测量精度和稳定性。On the basis of transmission/reflection method for measuring electromagnetic parameters,the limitation of the traditional transmission/reflection method in the calculation of the dielectric microwave electromagnetic parameters was analyzed.The electromagnetic parameters of air,the polyethylene wax and BaM-type ferrite were measured by using time domain gating technology.The results show that time domain gating technology can significantly improve the precision and the stability of measurement for materials.

关 键 词：矩形波导 传输/反射法 电磁参数 时域门 

分 类 号：TM27[一般工业技术—材料科学与工程]