A Real-Time Weighted-Eigenvector MUSIC Method for Time-Frequency Analysis of Electrogastrogram Slow Wave

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	A Real-Time Weighted-Eigenvector MUSIC Method for Time-Frequency Analysis of Electrogastrogram Slow Wave
	Qin SJ(秦书嘉); Miao L(缪磊); Wang YC(王越超); Yang, Chunmin
	2010
会议日期	August 30 - September 4, 2010
会议地点	Buenos Aires, ARGENTINA
关键词	Multiple Signal Classification (Music) Time-frequency Analysis Electrogastrogram (Egg) Slow Wave
页码	867-870
英文摘要	The surface electrogastrogram (EGG) records the electrical slow wave of the stomach noninvasively, whose frequency is a useful clinical indicator of the state of gastric motility. Estimators based on the periodogram method are widely adopted to obtain this parameter. But they are with a poor frequency domain resolution when the data window is short in time-frequency analysis, and have not taken full advantage of the slow wave model. We present a modified multiple signal classification (MUSIC) method for computing the frequency from surface EGG records, developing it into a real-time time-frequency analysis algorithm. Simulations indicate that the modified MUSIC method has better performance in resolution and precision in the sinusoid-like resultant signal frequency detecting than periodogram. Volunteer data tests show that the modified MUSIC method is stable and efficient for clinical applications, and reduces the danger of pseudo peaks for the diagnosis.
源文献作者	IEEE Engn Med & Biol Soc (EMBS)
产权排序	1
会议录	2010 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)
会议录出版者	IEEE
会议录出版地	Piscataway, NJ, USA
语种	英语
ISSN号	1557-170X
ISBN号	978-1-4244-4124-2
WOS记录号	WOS:000287964001068
内容类型	会议论文
源URL	[http://ir.sia.cn/handle/173321/8517]
专题	沈阳自动化研究所_机器人学研究室
作者单位	1.State Key Lab. of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, China 2.Graduate School of the Chinese Academy of Sciences, China 3.Department of Electrical and Computer Engineering, Michigan State University, United States 4.Gastrointestinal Department of Air Force General Hospital, Australia
推荐引用方式 GB/T 7714	Qin SJ,Miao L,Wang YC,et al. A Real-Time Weighted-Eigenvector MUSIC Method for Time-Frequency Analysis of Electrogastrogram Slow Wave[C]. 见:. Buenos Aires, ARGENTINA. August 30 - September 4, 2010.