Vital-signal sensor using differential phase Doppler radar차동위상 도플러 레이더를 이용한 생체신호 검출 센서

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dc.contributor.advisorHong, songcheol-
dc.contributor.advisor홍성철-
dc.contributor.authorHan Kawon-
dc.date.accessioned2019-09-04T02:45:40Z-
dc.date.available2019-09-04T02:45:40Z-
dc.date.issued2019-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=843432&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/266990-
dc.description학위논문(석사) - 한국과학기술원 : 전기및전자공학부, 2019.2,[1책 :]-
dc.description.abstractA differential phase Doppler radar sensor with multiple receivers to remotely detect human vital signals is proposed, which can reduce common-motion artifacts as well as common noises to receivers. This is achieved by differentiating two phase signals from a pair of collocated receivers. Random motions are decomposed into several kinds of motions with respect to the transmitted beam direction. Six differential phase signals are obtained from the four receiver combinations, among which at least one pair can get vital signals with reduced common motion artifacts. A weighted-sum method is proposed to combine six differential signals effectively, which allows vital signals to be clearly detected even with large random body motions. A sensor is implemented with a commercially available 24-GHz radar front-end chip with one transmitter (TX) and four receivers (RXs) to verify the differential phase radar concept. An experiment demonstrates that body motion noises are reduced by over 20 dB with the proposed differential phase radar with multiple receivers.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectDifferential phase▼adoppler radar▼arandom body movement▼avital signal detection▼aheartbeat sensor-
dc.subject차동위상▼a도플러 레이더▼a신체 움직임▼a생체신호 검출▼a심박센서-
dc.titleVital-signal sensor using differential phase Doppler radar-
dc.title.alternative차동위상 도플러 레이더를 이용한 생체신호 검출 센서-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전기및전자공학부,-
dc.contributor.alternativeauthor한가원-
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