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An Approach to Evaluate Electromagnetic Interference with a Wearable ECG at Frequencies below 1MHz
https://nitech.repo.nii.ac.jp/records/6365
https://nitech.repo.nii.ac.jp/records/6365bd80a995-bb0f-4394-9619-6b6a0218f987
名前 / ファイル | ライセンス | アクション |
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本文_fulltext (1.6 MB)
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copyright(C)2015 IEICE
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-11-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | An Approach to Evaluate Electromagnetic Interference with a Wearable ECG at Frequencies below 1MHz | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | electromagnetic interference (EMI) | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wearable electrocardiogram (ECG) | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sensing electrode | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | common mode voltage | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | differential mode voltage | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | quasi-static approximation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Liao, Wei
× Liao, Wei× Shi, Jingjing× Wang, Jianqing |
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著者別名 | ||||||
姓名 | 王, 建青 | |||||
書誌情報 |
en : IEICE Transactions on Communications 巻 98, 号 8, p. 1606-1613, 発行日 2015-09-01 |
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出版者 | ||||||
出版者 | Institute of Electronics, Information and Communication Engineers | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09168516 | |||||
書誌レコードID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11510208 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1587/transcom.E98.B.1606 | |||||
関連名称 | 10.1587/transcom.E98.B.1606 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | https://ci.nii.ac.jp/naid/130005090356 | |||||
関連名称 | 130005090356 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this study, we propose a two-step approach to evaluate electromagnetic interference (EMI) with a wearable vital signal sensor. The two-step approach combines a quasi-static electromagnetic (EM) field analysis and an electric circuit analysis, and is applied to the EMI evaluation at frequencies below 1 MHz for our developed wearable electrocardiogram (ECG) to demonstrate its usefulness. The quasi-static EM field analysis gives the common mode voltage coupled from the incident EM field at the ECG sensing electrodes, and the electric circuit analysis quantifies a differential mode voltage at the differential amplifier output of the ECG detection circuit. The differential mode voltage has been shown to come from a conversion from the common mode voltage due to an imbalance between the contact impedances of the two sensing electrodes. When the contact impedance is resistive, the induced differential mode voltage increases with frequency up to 100kHz, and keeps constant after 100kHz, i.e., exhibits a high pass filter characteristic. While when the contact impedance is capacitive, the differential mode voltage exhibits a band pass filter characteristic with the maximum at frequency of around 150kHz. The differential voltage may achieve nearly 1V at the differential amplifier output for an imbalance of 30% under 10V/m plane-wave incident electric field, and completely mask the ECG signal. It is essential to reduce the imbalance as much as possible so as to prevent a significant interference voltage in the amplified ECG signal. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.ieice.org/jpn/books/transaction.html | |||||
関連名称 | http://www.ieice.org/jpn/books/transaction.html | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |