影响屏蔽效能准确测量的要素分析  

Analysis of the Elements Affecting the Accurate Measurement of Shielding Effectiveness

作　　者：张德伟[1] ZHANG De-wei(Department of Electromagnetic Protection Detection,No.33 Institute of CETC,Taiyuan,030032,Shanxi,China)

机构地区：[1]中国电子科技集团公司第33研究所电磁防护检测部,山西太原030032

出　　处：《电子材料与电子技术》2019年第1期12-14,共3页Electronic Material & Electronic Technology

摘　　要：为了解决屏蔽效能测量结果波动范围过大的问题,在分析屏蔽效能测量方法的基础上,针对影响屏蔽效能精确测量的关键要素分析,给出提高屏蔽效能准确测量的解决思路。从测量不确定的理论计算分析表明,可有效降低屏蔽效能测量结果的波动范围,提高屏蔽效能测量准确性、可靠性。In order to solve the problem of too lai^e fluctuation range of shielding effectiveness measurement results, based on the analysis of shielding energy measurement methods, the key factors affecting the accurate measurement of shielding effectiveness are analyzed, and the solutions to improve the measurement accuracy of shielding effectiveness are given. The analysis from the angle of measurement uncertainty shows that the fluctuation range of shielding effectiveness measurement results can be effectively reduced, and the accuracy and reliability of shielding effectiveness measurement can be improved.

关 键 词：屏蔽效能 场地均匀性 

分 类 号：TN943.6[电子电信—信号与信息处理]