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반복선형회귀를 이용한 수신 신호 세기와 이동성 정보에 기반한 1차원 위치 추정
이동준,김다영,이은혜 한국항행학회 2020 韓國航行學會論文誌 Vol.24 No.2
본 연구에서는 위치추정을 하는 경우 선형회귀법을 반복적으로 적용하여 신호의 경로 손실을 추정하는 방법을 제안한다. 제안한 방식에서는 단말이 이동하면서 여러 위치에서 측정한 수신신호세기와 가속도계로 구한 측정 위치들 사이의 거리 정보를 이용하여 전송 비콘부터의 경로 손실을 선형회귀를 이용하여 추정한다. 전송 비콘과 특정 위치사이의 거리에 대하여 여러 잠정값들을 가정하고, 각 잠정값에 대하여 선형회귀식을 구한다. 이 선형회귀식들 중에서, 기준 수신 세기에 가장 가까운 식을 이용하여 송신 비콘와 목표 위치사이 거리를 구한다. 테스트 결과, 제안 방식은 단순 경로 손실 모델보다 훨씬 더 높은 정확도를 보인다. In this study, an 1-dimensional positioning method using iterative linear regression for path loss expression is proposed. In the proposed method, received signal strengths (RSS) measured in several locations and distances between the measuring locations obtained by dead reckoning are used to derive a linear regression for the path loss from the transmitting beacon. In the proposed method, for the distance between the transmitting beacon and a target measuring location, several tentative values are assumed. For each tentative value, a linear regression is obtained. Among the linear regression expressions, the one closest to the known reference RSS value is selected and used to derive the distance to the target location. Test results show that the proposed method is more accurate than path loss model.
이동준 한국발육발달학회 2008 한국발육발달학회지 Vol.16 No.1
Objective: To investigate whether beta-3 adrenergic receptor gene (ADRB3) polymorphism contributes theeffects of treatment modality (mode) on weight loss induced changes in body composition and cardiovascular risk factors.Ninety-five women with BMI 25 kg/m2 or more. All subjects were treated with low-calorie diet (Home Based-self ControlGroup) alone or combined with supervised exercise (In-Hospital Supervision Group). Measurements: The Trp64Argpolymorphism of the ADRB3gene was determined by PCR-RFLP. Body fatness and fat distribution parameters (Bioelectricimpedance method, computed tomography scans), cardiorespiratory fitness (VO2max), and blood lipids at baseline and afterchanges were more pronounced in the in-hospital group. The in-hospital group also showed a greater increase incardiorespiratory fitness whereas changes in other CVD risk factors did not difer betwen the treatment groups. TheADRB3 genotype was not associated with weight loss induced changes in body composition or CVD risk factors, exceptfor DBP, which decreased more in the Trp homozygotes as compared to the Arg alle carriers (P<0.01). Conclusion: Wesignificantly associated with a response to weight reduction. The efects of weight reduction may be affected interventionmode than genetic diference.
이동준,고재호,이탁기,차영빈,Chang-Moon Jang,김한울,배양섭 국립중앙과학관 2022 Journal of Asia-Pacific Biodiversity Vol.15 No.1
A checklist to the six genera, with 16 species of subfamily Tineinae Latreille, 1810 from Korea, is present. In the checklist, three species of Tineinae Crypsithyris japonica Petersen & Gaedike, Monopis burmanniPetersen, and Elatobia fuliginosella (Lienig & Zeller) are reported for the first time from Korea. Also, thegenus Crypsithyris Meyrick and Elatobia Herrich-Schäffer are reported for the first time from Korea. Distributions and type locality of all species are provided.
이동준,김상형,Lee, Dong-Jun,Kim, Sang-Hyung 대한흉부심장혈관외과학회 1978 Journal of Chest Surgery (J Chest Surg) Vol.11 No.3
A case of Vanishing lung of right entire lung field in a man of 36 years of age was encountered at Dept. of Chest Surgery of Chonnam University Hospital. His chief complaints were cough, severe dyspnea and chest pain for about 14 years. Right pneumonectomy was done and gross finding was multiple chambered cysts of the right lung with thin epithelium. The review of the literatures was also done.