摘要
对JJG 449-2014中的内嵌式滤波器级线性检定中存在的问题进行了分析,给出了解决方法,对级线性测量结果进行了不确定度评定,旨在更好的理解规程中的检定内容,使内嵌式滤波器的检定过程更严谨。
This paper analyzes the problems existing in the level linearity verification of embedded filter in JJG 449-2014,gives the solutions,and evaluates the uncertainty of the level linearity measurement results,so as to better understand the verification content in the regulation and make the verification process of the embedded filter more rigorous.
作者
魏伟力
WEI Wei-li(Liaoning Institute of Measurement,Shenyang 110004,China)
关键词
内嵌式滤波器
级线性
相对衰减
测量不确定度
embedded filter
level linearity
relative attenuation
uncertainty of measurement