Polyphase-Basis Discrete Cosine Transform for Real-Time Measurement of Heart Rate With CW Doppler Radar

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dc.contributor.authorPark, Junhyeongko
dc.contributor.authorHam, Jong-Wookko
dc.contributor.authorPark, Seungwoonko
dc.contributor.authorKim, Do-Hoonko
dc.contributor.authorPark, Seong-Jinko
dc.contributor.authorKang, Hyunseongko
dc.contributor.authorPark, Seong-Ookko
dc.date.accessioned2018-04-24T02:15:51Z-
dc.date.available2018-04-24T02:15:51Z-
dc.date.created2018-03-26-
dc.date.created2018-03-26-
dc.date.created2018-03-26-
dc.date.issued2018-03-
dc.identifier.citationIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, v.66, no.3, pp.1644 - 1659-
dc.identifier.issn0018-9480-
dc.identifier.urihttp://hdl.handle.net/10203/241096-
dc.description.abstractThis paper presents a novel polyphase-basis discrete cosine transform that can be used for challenges to observe heart rate (HR) variability and sudden changes of HR in short time. To succeed in the challenges, real-time measurement which requires a short window length is needed. As the window length decreases, however, increased main-lobe width (MLW) and sidelobe width (SLW) result errors in measuring HR. Unlike commonly used discrete Fourier transform (DFT), the proposed method is based on DCT, which improves the accuracy of measured HR even though the short window length is used for the real-time measurement of HR. We demonstrate that the DCT can give 2 times shorter MLW and SLW than the DFT can. To verify the proposed method, it is compared with well-known existing methods, arctangent demodulation and complex signal demodulation, which use the DFT. We measured HR using a 10.225-GHz continuous-wave Doppler radar. In each experiment, the window lengths of 3, 2, and 1.5 s were used to measure HR in real time. Experimental results show that the proposed method has lower mean and standard deviation of errors than the existing methods have.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.titlePolyphase-Basis Discrete Cosine Transform for Real-Time Measurement of Heart Rate With CW Doppler Radar-
dc.typeArticle-
dc.identifier.wosid000426678200046-
dc.identifier.scopusid2-s2.0-85038380405-
dc.type.rimsART-
dc.citation.volume66-
dc.citation.issue3-
dc.citation.beginningpage1644-
dc.citation.endingpage1659-
dc.citation.publicationnameIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES-
dc.identifier.doi10.1109/TMTT.2017.2772782-
dc.contributor.localauthorPark, Seong-Ook-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorArctangent demodulation (AD)-
dc.subject.keywordAuthorcomplex signal demodulation (CSD)-
dc.subject.keywordAuthorcontinuous-wave (CW) Doppler radar-
dc.subject.keywordAuthordiscrete cosine transform (DCT)-
dc.subject.keywordAuthordiscrete Fourier transform (DFT)-
dc.subject.keywordAuthorheart rate (HR) variability (HRV)-
dc.subject.keywordAuthormain-lobe (ML) width (MLW)-
dc.subject.keywordAuthorpolyphase-basis DCT (PB-DCT)-
dc.subject.keywordAuthorreal-time measurement-
dc.subject.keywordPlusBODY MOVEMENT CANCELLATION-
dc.subject.keywordPlusVITAL SIGN DETECTION-
dc.subject.keywordPlusKA-BAND-
dc.subject.keywordPlusREMOTE DETECTION-
dc.subject.keywordPlusRESPIRATION-
dc.subject.keywordPlusCOMPENSATION-
dc.subject.keywordPlusSYSTEM-
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