Absolute optical property extraction through portable near-infrared spectroscopy system: utilizing FDNIRS IC and TDNIRS technique휴대용 근적외선 시스템을 이용한 절대적 광성질 추출: 주파수 기반 NIRS 집적회로 시스템과 시간 기반 NIRS 시스템 설계

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dc.contributor.advisorBae, Hyeon-Min-
dc.contributor.advisor배현민-
dc.contributor.authorKoh, Bumjun-
dc.date.accessioned2022-04-27T19:31:18Z-
dc.date.available2022-04-27T19:31:18Z-
dc.date.issued2021-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=948678&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/295998-
dc.description학위논문(석사) - 한국과학기술원 : 전기및전자공학부, 2021.2,[iv, 40 p. :]-
dc.description.abstractNear-infrared spectroscopy is a non-invasive technology which uses source-detector pair for measuring bio-signal such as hemodynamics. Continuous-wave near-infrared spectroscopy(CWNIRS) was widely used for signal measurement due to its simple implementation and system portability. However, this method is not suitable for absolute optical property measurement which is critical to derive accurate tissue property. Frequency-domain NIRS(FDNIRS) and time-domain NIRS(TDNIRS) are solutions for this problem. FDNIRS and TDNIRS both operate in high speed comparing with CWNIRS, which increases its hardware complexity. To solve the system bulkiness, integrated circuit system design was implemented for FDNIRS. Feasibility of TDNIRS integrated circuit system was also proposed. Fabricated FDNIRS IC used a delay-locked loop (DLL) and a low sampling rate analog-to-digital converter (ADC) to extract amplitude and phase delay information of the NIRS signal. IC system realizes a portable, real-time measurement system.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectNear-infrared spectroscopy▼aoptical property▼aintegrated circuits▼adelay-locked loop▼afrequency domain near-infrared spectroscopy▼atime domain near-infrared spectroscopy▼aportability-
dc.subject근적외선 분광법▼a광성질▼a집적회로▼a지연고정루프회로▼a주파수 기반 근적외선 분광법▼a시간 기반 근적외선 분광법▼a휴대성-
dc.titleAbsolute optical property extraction through portable near-infrared spectroscopy system: utilizing FDNIRS IC and TDNIRS technique-
dc.title.alternative휴대용 근적외선 시스템을 이용한 절대적 광성질 추출: 주파수 기반 NIRS 집적회로 시스템과 시간 기반 NIRS 시스템 설계-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전기및전자공학부,-
dc.contributor.alternativeauthor고범준-
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