摘要
分析了以计算机为核心的信息技术设备的电磁辐射机理,模拟出了矩型脉冲信号的差模辐射频谱和三角脉冲信号的共模辐射频谱。测试了PⅢ800计算机主机及显示器的电磁发射电场强度,并对结果进行了分析。
The mechanism analysis of EM radiation about digital ITE such as computer, is given, and the simulation results of the differential-mode radiation about the rectangular pulse and the common-mode radiation about the tripulse in digital circuit are shown. Then, the radiation emission of PⅢ800 and displayer are measured and analyzed.
出处
《计算机工程》
EI
CAS
CSCD
北大核心
2005年第17期189-190,共2页
Computer Engineering
基金
河南省科技攻关基金资助项目(001120333)
关键词
电磁兼容性
信息技术设备
数字信号
辐射发射
电磁泄漏
频谱分析
Electromagnetic compatibility (EMC)
Information technology equipment (ITE)
Digital signal
Radiated emission
Electromagnetic (EC) leakiness
Frequency spectrum analysis