电波科学学报2016，Vol.31Issue(5)：1004-1008,5.DOI:10.13443/j.cjors.2015112301
外推法天线增益测量系统的暗室反射影响评估
A method to evaluate the chamber reflection effect for antenna gain measurements using an extrapolation range
摘要
Abstract
The extrapolation technique is introduced,and an absorber effect evaluation method is pro-posed based on the geometrical optics.The method can effectively simulate the reflected wave from the ab-sorber,and by using the extrapolation technique twice,the effect on antenna gain results can be evaluated. The method has been verified in the new extraploation range of ,and NIM (National Institute of Metrolo-gy,China)the results agree well with the prediction.The uncertainty due to the absorber effect can there-fore be evaluated and the proposed method has already been applied in the extrapolation ranges at NIM and NPL(National Physical Laboratory,UK).The application of the method is not limited to extrapolation ranges,and it can be easily extended to be applied in other antenna measurement systems located in the chamber.关键词
外推法/天线增益/吸波材料反射率/不确定度评定Key words
extrapolation range/antenna gain/absorber reflectivity/uncertainty evaluation分类
信息技术与安全科学引用本文复制引用
刘潇,David Gentle..外推法天线增益测量系统的暗室反射影响评估[J].电波科学学报,2016,31(5):1004-1008,5.基金项目
科技部国际科技合作与交流专项(2013DFA70570) （2013DFA70570）
国家科技支撑计划项目子课题(2014BAK02B01) （2014BAK02B01）
