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Alternative TitleGastric magnetic slow wave signal frequency detection method based on characteristic spectrum
缪磊; 徐保磊; 秦书嘉; 李洪谊
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention discloses a gastric magnetic slow wave signal frequency detection method based on characteristic spectrum. The detection method comprises the following steps: data preprocessing: reading original gastric magnetic data of a giant magneto-impedance sensor measured by a special table, and re-sampling and filtering the original gastric magnetic data; characteristic spectrum calculation: calculating the characteristic spectrum of data obtained from filtering treatment; and characteristic spectrum main peak recognition: recognizing main peak of the characteristic spectrum. The detection method disclosed by the invention is designed in accordance wit the frequency recognition algorithm of the gastric magnetic slow wave signal and makes use of the characteristic spectrum of a frequency estimation noise sub-space, so as to precisely obtain the frequency of the gastric magnetic slow wave. The detection method, by precisely recognizing the gastric magnetic slow wave signal frequency, can obtain the average characteristic spectrogram of the gastric magnetic slow wave signal precisely. 
PCT Attributes
Application Date2014-05-16
Application NumberCN201410209406.0
Open (Notice) NumberCN105078442A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
缪磊,徐保磊,秦书嘉,等. 基于特征谱的胃磁慢波信号频率检测方法[P]. 2015-11-25.
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