A study on the noise immunity of electromagnetic methods based on m pseudo-random sequence

doi:10.6038/cjg20160529

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院页岩气与地质工程重点实验室

	A study on the noise immunity of electromagnetic methods based on m pseudo-random sequence
	Wang Xian-Xiang 1,2; Di Qing-Yun 2; Wang Miao-Yue 2; Deng Ju-Zhi 1
刊名	CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
	2016-05-01
卷号	59 期号:5 页码:1861-1874
关键词	Pseudo Random Sequence Electromagnetic Method Anti-noise Analysis
DOI	10.6038/cjg20160529
文献子类	Article
英文摘要	Electromagnetic methods play an important role in the exploration of metal ore mineral, oil and gas resources. It is very difficult to obtain a high signal to noise ratio with increasingly strong electromagnetic noise using conventional anti-noise methods. In recent years, the pseudo random sequence attracts a lot of attention because of its anti-noise performance. This paper describes two common methods used to extract the impulse response from the pseudo-random sequence response. Studies have shown that the two methods are capable to get high precision impulse response without noise. The extraction accuracies of the results using the two methods were compared with data contained in the noise, that shows that the results of method 2 is better than 1, then the reasons for this situation was analuzed. Finally, a study is made to improve the ability of the anti-pseudo-random sequence of the methods, including to improve the order of the pseudo-random sequence, use a different encoding, change the number of cycles in order to achieve the purpose of noise suppression.
WOS关键词	EXPLORATION ; IDENTIFICATION ; SYSTEMS ; FIELD
WOS研究方向	Geochemistry & Geophysics
语种	英语
WOS记录号	WOS:000375637700029
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/53493]
专题	地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
作者单位	1.E China Inst Technol, Fundamental Sci Radioact Geol & Explorat Technol, Nanchang 330013, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Wang Xian-Xiang,Di Qing-Yun,Wang Miao-Yue,et al. A study on the noise immunity of electromagnetic methods based on m pseudo-random sequence[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2016,59(5):1861-1874.
APA	Wang Xian-Xiang,Di Qing-Yun,Wang Miao-Yue,&Deng Ju-Zhi.(2016).A study on the noise immunity of electromagnetic methods based on m pseudo-random sequence.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,59(5),1861-1874.
MLA	Wang Xian-Xiang,et al."A study on the noise immunity of electromagnetic methods based on m pseudo-random sequence".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 59.5(2016):1861-1874.