来源:
《安全与电磁兼容》2005年增刊
作者:张戈(41)
新版 GB/T12190即将出台
The Differences between GB/T12190-200X and GB12190-1990
摘 要 通过适用范围、规范性引用文件、术语与定义、初测程序、测量方法、屏蔽效能的计算等不同方面,详细分析了GB/T12190-200X和GB12190-1990之间的差异,并简要介绍了GB/T12190-200X中增加的附录内容。
关键词 屏蔽室 屏蔽效能 参考电平 动态范围 最低固有谐振频率
Abstract The paper introduce the differences between GB/T12190-200X and GB12190-
1990 through the following aspects such as scope, definition, preliminary procedure,
detailed procedure and determination of shielding effectiveness.The contents of annex
of GB/T12190-200X is also involved.
Keywords shielding enclosure,shielding effectiveness,reference level,dynamic range,
lowest natural resonant frequency