A Novel Approach for On-Site Measurement of Radiated Emission of EMU

被引：1
|
作者：
Liu Dong [1 ,2 ]
Wen Yinghong [1 ,2 ]
Xiao Jianjun [1 ,2 ]
机构：
[1] Beijing Jiaotong Univ, Inst Electromagnet Compatibil, Beijing 100044, Peoples R China
[2] Beijing Engn Res Ctr EMC & GNSS Technol Rail Tran, Beijing 100044, Peoples R China
来源：
CHINESE JOURNAL OF ELECTRONICS | 2020年 / 29卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Ambient electromagnetic noise; On-site radiated emission test; Electric multiple unit; INTERFERENCES; ALGORITHM;
D O I：
10.1049/cje.2020.03.013
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The main problem in on-site radiated emission test of EMU (Electric multiple unit) is the excess ambient electromagnetic noise due to the complex electromagnetic environment. In order to solve this problem, this paper proposed a novel approach for on-site radiated emission measurement test. A joint algorithm comprise blind source separation and adaptive signal processing is used to suppress the ambient electromagnetic noise. The normalized estimation of ambient electromagnetic noise is obtained by blind source separation algorithm, then the normalized estimation of ambient electromagnetic noise is used as the reference signal to adaptively cancel the ambient noise in the mixed electromagnetic noise, so the estimation of radiated noise of EMU is obtained. The simulation and experiment results showed that the proposed method can effectively suppress the ambient electromagnetic noise, thus realize the accurate measurement of the radiated emission of the EMU.
引用
收藏
页码：574 / 579
页数：6
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