射频识别系统电磁辐射干扰特征快速分析与抑制.pdf.pdf

第 32 卷第 9 期中国电机工程学报 , 2012 2012 年 3 月 25 日 Proceedings of the CSEE ?2012 . 161 文章编号: 0258-8013 (2012) 09-0161-06 中图分类号: TM 461 ;TN 03 文献标志码: A 学科分类号: 470 ? 40 射频识别系统电磁辐射干扰特征快速分析与抑制颜伟 1 ,赵阳 1 ,王恩荣 1 ,邓凌翔 2 ,张宇环 1 (1 .南京师范大学,江苏省南京市 210042 ; 2 .江苏省计量科学研究院,江苏省南京市 210007) Analysis and Suppression on Radiated EMI Nois e for Radio Frequency Identification Systems YAN Wei 1, ZHAO Yang 1, WANG Enrong 1, DENG Lingxiang 2, ZHANG Yuhuan 1 (1. Nanjing Normal University, Nan jing 210042, Jiangsu Province, China; 2. Jiangsu Institute of Metrology, Na njing 210007, Jiangsu Province, China) ABSTRACT: In order to solve radiated ic interference generated by the radio frequency identification system, the convenient approach was proposed to diagnose the radiated EMI mechanism based on near-field measurement and suppress radiated EMI noise by utilizing radio frequency EMI filters. It can avoid plicated EMI noise analysis and suppression methods such as 3-m anechoic chamber and ic shielding. The st andard results show that RFID system can pass the GB 9254 Class A and the noise decrease 24 dB μV/m by employing the suggested approaches, and thus good realization. KEY WORDS: radio frequency identification (RFID) system; patibility (EMC); noise reduction; wave impedance; high fr