软辫线长度对主动和被动屏蔽效能的影响
Effect on the Radiation Performance and Shielding Effectiveness
with Varying Lengths of Pigtail
摘要 针对软辫线长度所带来的电磁兼容问题,给出被动屏蔽效能和主动屏蔽效能的定义,并利用被动屏蔽效能和主动屏蔽效能对软辫线效应进行了评价。仿真实验及理论计算结果表明:随着软辫线长度的变化,被动屏蔽效能和主动屏蔽效能变化的趋势相同,但数值差别很大,不能等效使用。
关键词 软辫线;被动屏蔽效能;主动屏蔽效能
Abstract Aiming at the EMC problem caused by changes of pigtail length, the pigtail
effect was estimated with the definition of the radiation performance and the shielding
effectiveness. Through comparing of simulation and theoretical calculation of varying
lengths of pigtail, it is showed that the variation trend of radiation performance was
similar to it of shielding effectiveness with the variation of the pigtail length. However
the values of these two parameters varied considerably, they could not be equivalent
when using.
Keywords pigtail;radiation performance;shielding effectiveness
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