期刊名称：International Journal of Grid and Distributed Computing
印刷版ISSN：2005-4262
出版年度：2015
卷号：8
期号：2
页码：235-246
DOI：10.14257/ijgdc.2015.8.2.21
出版社：SERSC
摘要：In response to the influence of calibration parameter on measurement accuracy of characteristic impedance tester, the paper comes up with a perfect calibration method of two points based on waveform average and the optimal measuring region. The method is based on calibration method of two points. First, waveform average can reduce random errors in the testing process of characteristic impedance tester. Second, automatically selection for the optimal measuring region can reach a high precision. Last, each tube has a separate calibration parameter, increasing its consistency and Independence, which implement highly calibration for the tester. Making an integrated comparison of testing results among three algorithms, including Tektronix instrument and original method of two-point calibration, validates the accuracy of new algorithm. The method was put into the design of characteristic impedance tester using advanced measurement accuracy.
