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다중 전달 경로 채널에서의 수중 디지털 통신을 위한 선 처리 기법
김태우,황아롬,성우제,임용곤,Kim, Tae-Woo,Hwang, A-Rom,Seong, Woo-Jae,Lim, Young-Kon 한국음향학회 2008 韓國音響學會誌 Vol.27 No.3
Signals in an underwater channel get distorted by multipath propagation. In this paper, pre-coding method is suggested which helps comprehending the signals with minimum equalization. The signals are transformed based on the knowledge of the impulse response of the channel. Proposed pre-coding method is tested by simulations based on the ray theory and through water tank experiments. In weak multipath environment, in case of an SNR of about 20 dB, BER is $10^{-3}{\sim}10^{-4}$, while in strong multipath environment, similar BER is achieved with SNR of about 30 dB. In order for the pre-coding method to be used for underwater vehicles, channel prediction method utilizing the waveguide invariant is suggested and tested. 수중 채널에서의 음파를 사용한 신호는 다중 전달 경로 현상에 의해 왜곡된다. 본 논문에서는 채널의 임펄스 응답을 바탕으로 신호를 미리 왜곡시켜 수신기에 도착했을 때 최소한의 등화만으로 신호를 받을 수 있는 선 처리 기법을 제안하였다. 그리고 음선 이론 기반 시뮬레이션과 수조 실험을 통해 제안한 기법의 성능을 검토하였다. 다중 전달 경로 현상이 약할 경우, SNR이 약 20 dB 일 때 BER이 $10^{-3}{\sim}10^{-4}$의 성능을 보였고 다중 전달 경로 현상이 심한 환경에서 SNR이 약 30 dB 일때 유사한 BER 성능을 보였다. 제안한 기법을 수중 운동체의 통신에 사용가능하도록 송수신기의 위치 변화에 따른 채널예측 기법을 제안하였고 그 성능을 검토하였다.
재생불량성(再生不良性) 빈혈(貧血)의 약침치료(藥針治療) 경과 1례 보고
김태우,강영화,김효은,Kim, Tae-Woo,Kang, Young-Hwa,Kim, Heo-Eun 대한약침학회 2001 Journal of pharmacopuncture Vol.4 No.3
Objective : In order to report the process of treatment of Aplastic anemia by herbal acupuncture Methods: This case was diagnosed as deficiency of Yang of spleen and kidneys, deficiency of Ki and blood, and fevescence from the deficiency of Urn. Hominis Placenta herbal acupuncture and Bee-venom acupuncture were choosen as the method to treat the case. Results: 1. The nocturnal fevescence and indigestion was decreased during the times when Hominis Placenta herbal acupuncture was used once a day. 2. The mobility of the joints was improved and the inflamation on the joints was decreased during the times when Bee-venom acupuncture was used every other day. 3. The interval between the transfusion was extended during the times when Hominis Placenta herbal acupuncture and Bee-venom acupuncture were used by turns. Conclution : Hominis Placenta herbal acupuncture and Bee-venom acupuncture sucessfully imporved the symtoms of patient with Aplastic anemia
육미지황탕가미방(六味地黃湯加味方)이 C57BL/6JHam-ob/ob mice의 비만(肥滿) 및 제2형 당뇨병(糖尿病)에 미치는 영향(影響)
김태우,강석봉,Kim, Taewoo,Kang, Seok Bong 대한한의학방제학회 2013 大韓韓醫學方劑學會誌 Vol.21 No.2
Objectives : The object of this study was to observe the pharmacological effects of Yookmijihwang-tang-gamibang (Liuweidihuang-tang-jiaweifang, YGB) consisted of 17 types of herbs has been traditionally used in Korean medicine for treating various disorders in clinics, aqueous extracts on the genetically obese and type II diabetic C57BL/6JHam-ob/ob(ob/ob) mice. Methods :Three different dosages of YGB were orally administered, once a day for 28 days to ob/ob mice with ob/ob control and C57BL/6JJms normoglycemic intact mice. Four weeks after treatments of YGB: the changes on the body weight, food consumption, blood glucose levels, leptin and adiponectin contents were observed for monitoring the antiobese and antidiabetic effects of YGB. The effects were compared to those of CLA(conjugated linoleic acid) which improve type II diabetes and inhibit related obesity. Results : After end of 28 days of continuous treatments, ob/ob control showed increases of adipocyte hypertrophy, vasodilated atrophic glomerulus which were detected with marked hyperplasia of pancreatic islets, insulin and glucagon producing cells. These obese and related type II diabetes induced in ob/ob mice were markedly and significantly inhibited by 28 days of continuous treatment of three dosages of YGB. The YGB 50mg/kg showed similar favorable effects on the diabetes and related diabetic complications as compared with CLA 750mg/kg in ob/ob mice of the present study. Conclusions : The results obtained in this study suggest that over 25mg/kg of YGB extracts favorably retarded the obese and type II diabetes in genetically obese and type II diabetic ob/ob mice.
김태우,김효은,조명제,강영화,이재동,Kim, Tae-woo,Kim, Hyo-eun,Cho, Myung-je,Kang, Young-hwa,Lee, Jae-dong 대한침구의학회 2003 대한침구의학회지 Vol.20 No.1
Objective : Hemifacial spasm is painless uncommon disorder characterized by involuntary paroxysmal movement of one side of face, In this study, the effect of Dong-Si acupuncture therapy for three patients with hemifacial spasm were evaluated. Methods : We have treated them with acupuncture treatment of Dong-Si acupuncture points(Cheuk-Samni and Cheuk-ha-Samni) and evaluated the effect by Scott's scale, For the first two weeks, it was dine once a day, and after two weeks, the other day. Results : Before therapy, the grades of spasm intensity classified by Scott's description in three cases were 3. And after Dong-Si acupuncture therapy, the grade of one case was 0, and two cases were 1. Conclusion : The Dong-Si acupuncture therapy for hemifacial spasm was effective and will be attempted to the patients with it.
PubMed 검색을 이용한 관절염 관련 봉독 연구에 대한 고찰
김태우,고형균,박동석,이재동,Kim, Tae-Woo,Koh, Hyung-Kyun,Park, Dong-Seok,Lee, Jae-Dong 대한침구의학회 2001 대한침구의학회지 Vol.18 No.5
Objective : To research the trends of the study related to bee venom and arthritis, and to establish the hereafter direction of the study on bee venom herval acupuncture. Method : We searched in PubMed, with bee venom and arthritis (with abstract). Results : 1. We searched15 Papers, and the pattern of the was as fallows: Experimental study(13 Papers), Epidemiologic study(2), Review study(1). 2. The type of the experimental studies(12 Papers) was as follows: In vivo(6 Paper), In vitro(6). And the involved components of bee venom were as follows: Bee venom itself(6 Papers), Melittin(3), PLAP(1), PLAP & Melittin(1), Adolapin(1). 3. Among the experimental studies(12 Papers), the mechanism of inflammation was 10 papers (Inhibition 7, Inducer 3), and the effect of bee venom herbal acupuncture therapy were 2 papers.
사회 속의 의료, 의료 속의 사회 : 한국의 한의학과 중국의 중의학에 대한 의료인류학적 고찰
김태우,한창호,Kim, Tae-Woo,Han, Chang-Ho 대한한방내과학회 2012 大韓韓方內科學會誌 Vol.33 No.2
Objectives : One of the fundamental premises of medical anthropology is the interconnectedness of medicine and society. Recent ethnographies of medicine demonstrate that the interconnectedness of the social and the medical not just evokes relatedness of the two parties, but also emphasizes the agency of the constituents, mutually shaping and being shaped. Against this backdrop, this study attempts to anthropologically investigate Korean medicine in South Korea and traditional Chinese medicine (TCM) in China. Methods : The findings are based on anthropological studies of East Asian medicine employing long-term fieldwork about Korean Medicine and Traditional Chinese Medicine. Results : TCM is characterized by standardization, hospitalization, and scientization, by which simplification, collectivization, and biomedicalization prevail in contemporary traditional medicine in China. In contrast, Korean medicine is characterized by diversity, care delivery by individual private clinics, and a considerable distance from biomedicine. To understand the divergence of the two East Asian medicines, one should consider the social contexts intervening into the medical contents, such as the role of the state and dominant discourses in given historical periods. Conclusions : Korean medicine in South Korea and TCM in China demonstrate well the hybridity of the social and the medical, suggesting that, for more comprehensive understanding of the medical, the social should be paid attention to.
김태우,이경수,최인성,민경찬,Kim, Taewoo,Yi, Kyongsu,Choi, In Seong,Min, Kyong Chan 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.2
This paper presents a performance evaluation procedure for advanced emergency braking (AEB) system. To guarantee the performance of AEB system, AEB test scenario should contains various driving conditions which can be occurred in real driving condition. Also, performances of each elements of AEB system, such as sensor, decision, human machine interface (HMI) and control, should be evaluated in various situations. For this, driving conditions, road types, environment, and elements of AEB system were introduced. Test scenario has been designed to represent the real driving condition and to evaluate the safety performance of AEB system in various situations. To confirm that the proposed AEB test scenario is realistic and physically meaningful, vehicle test have been conducted in two cases of proposed AEB test scenario: subject vehicle cut-out scenario and narrow street turn left scenario.
김태우,이진,인태성,Kim, Tae-Woo,Lee, Jin,In, Tae-Seung 대한물리치료과학회 2018 대한물리치료과학회지 Vol.25 No.2
Background: The purpose of this study was to investigate a study about undergraduate students' participation in general sports. Method: A questionnaire survey was conducted on 200 students attending physical therapy at Gimcheon university students. four items of general characteristics, 2 conditions of sports for all, 2 activities of current sports for all, and 1 thing of sports for all, were extracted from the questionnaires of total 40 items. Result: In the present study, it was found that through the cross-sectional analysis of various variables related to life sports activities according to grade, sex, age and living cost level, students participated in less sports activities than other college students. And they participated in non-living sports activities such as appreciation and movie appreciation. In addition, it was found that factors such as watching sports games mainly affect the lives of women, especially with less sports activities, and men are more active at 20 to 28 years of age than those aged 20. Conclusion: These findings suggest that it is necessary to provide various opportunities to encourage the physical activities of female students and young students of the university and actively participate in sports for all.