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	SUPER-LOW FREQUENCY ELECTROMAGNETIC NOISE PROCESSING SYSTEM BASED ON ADAPTIVE FILTERING
	Zhao, Shanshan ; Wang, Nan ; Chen, Li ; Hui, Jian ; Zhang, Chengye ; Qin, Qiming
	2015
关键词	Super Low Frequency electromagnetic power frequency adaptive filter
英文摘要	Super Low Frequency electromagnetic prospecting methods, based on natural source, have seen an increasingly trend in geophysical applications. It is known that natural source electromagnetic signal is weak, and how to extract useful information has drew great attention wordwidely. In this paper, we designed a signal processing method, an adaptive filter, to filter out the strong power frequency interference at 50Hz and its harmonics mixed in the output signal from induction magnetic sensors. As the output could change with the input, the adaptive filter system is releated to its input signal closely and specificly. Because of its stronger adaptability and better filtering performance, the adaptive filter showed good effectiveness.; EI; CPCI-S(ISTP); 4708-4711; 2015-November
语种	英语
出处	2015 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
DOI标识	10.1109/IGARSS.2015.7326880
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/436493]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Zhao, Shanshan,Wang, Nan,Chen, Li,et al. SUPER-LOW FREQUENCY ELECTROMAGNETIC NOISE PROCESSING SYSTEM BASED ON ADAPTIVE FILTERING. 2015-01-01.

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