{"title":"信号白化中肌电信号带宽的应用","authors":"Meera Dasog, Kishor Koirala, Pu Liu, E. Clancy","doi":"10.1109/NEBEC.2013.87","DOIUrl":null,"url":null,"abstract":"It has been demonstrated that whitening the surface electromyogram (EMG) improves EMG amplitude (EMGσ) estimation. But, due to the wide bandwidth ranges often used when whitening, custom high-cost electrodes (bandwidth of ~2000 Hz) have been used. This paper investigates the effect of limiting the bandwidth for the whitened EMG data. The change in the average error of EMG to torque estimation was observed for 54 subjects over different whitening bandwidths ranging from 20-2000 Hz. We found that the average error remained the same for bandwidth limits between 600 Hz to 2000 Hz, suggesting that wider EMG electrodes were not helpful with this data set.","PeriodicalId":153112,"journal":{"name":"2013 39th Annual Northeast Bioengineering Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"EMG Bandwidth used in Signal Whitening\",\"authors\":\"Meera Dasog, Kishor Koirala, Pu Liu, E. Clancy\",\"doi\":\"10.1109/NEBEC.2013.87\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"It has been demonstrated that whitening the surface electromyogram (EMG) improves EMG amplitude (EMGσ) estimation. But, due to the wide bandwidth ranges often used when whitening, custom high-cost electrodes (bandwidth of ~2000 Hz) have been used. This paper investigates the effect of limiting the bandwidth for the whitened EMG data. The change in the average error of EMG to torque estimation was observed for 54 subjects over different whitening bandwidths ranging from 20-2000 Hz. We found that the average error remained the same for bandwidth limits between 600 Hz to 2000 Hz, suggesting that wider EMG electrodes were not helpful with this data set.\",\"PeriodicalId\":153112,\"journal\":{\"name\":\"2013 39th Annual Northeast Bioengineering Conference\",\"volume\":\"23 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-04-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 39th Annual Northeast Bioengineering Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NEBEC.2013.87\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 39th Annual Northeast Bioengineering Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NEBEC.2013.87","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
It has been demonstrated that whitening the surface electromyogram (EMG) improves EMG amplitude (EMGσ) estimation. But, due to the wide bandwidth ranges often used when whitening, custom high-cost electrodes (bandwidth of ~2000 Hz) have been used. This paper investigates the effect of limiting the bandwidth for the whitened EMG data. The change in the average error of EMG to torque estimation was observed for 54 subjects over different whitening bandwidths ranging from 20-2000 Hz. We found that the average error remained the same for bandwidth limits between 600 Hz to 2000 Hz, suggesting that wider EMG electrodes were not helpful with this data set.
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