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곽동민(Dongmin Kwak),이용헌(Yonghun Lee),김성준(Sungjun Kim) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
기존의 개인병사체계용 야간투시경은 광증폭 방식을 사용하여 병사체계에서 개인병사 간에 획득한 전장정보를 공유하는 것이 제한된다. 본 논문에서는 개인병사용 헬멧에 장착하여 운용 가능한 주야간 영상획득모듈과 전장정보 공유를 위한 영상 인터페이스를 제안하였다. 주야간 영상획득 모듈은 주간 중 시계와 열상 배율의 복합 광학으로 구성하여 운용편의성을 확보하였다. The existing night vision for personal soldier system uses optical light intensifier module and tactical information sharing with others is restricted. In the research, we propose helmet-mounted image acquisition module for day/night surveillance and tactical information sharing. Considering operational connivence, we designed complex optics for operational convenience consist of dual FOV(Field of View) for day cameras and 1 magnification of IR camera
Asymmetric Sum and Difference Beam Pattern Synthesis With a Common Weight Vector
Kwak, Semin,Chun, Joohwan,Park, Dongmin,Ko, Young Kwan,Cho, Byung Lae IEEE 2016 IEEE antennas and wireless propagation letters Vol.15 No.-
<P>A radar with a large number of antennas requires efficient design in its feeding network or transmit/receive modules (TRMs). We propose a method for simplifying the antenna system of a monopulse radar by attaching a single common weight to each antenna, both for sum and difference beams. A major novelty of our work lies in that the proposed technique can synthesize arbitrarily asymmetric monopulse beams with a common weight vector, using computationally efficient linear programming, not resorting to slow global optimization techniques. Therefore, common-weight monopulse beams can be produced in real time to reject ground clutter or null jamming signals.</P>
남성음악치료사들이 경험하는 직업정체성 형성과정에 대한 합의적 질적연구
곽영신(Youngsin Kwak),김동민(Dongmin Kim) 한국질적탐구학회 2018 질적탐구 Vol.4 No.1
이 연구는 남성음악치료사들이 직업정체성을 형성하는 과정을 고찰하는 데 그 목적을 두었다. 이를 위해 연구자는 음악치료사 직업을 유지하고 있는 남성음악치료사 여덟 명에게 심층면담을 실시한 뒤, 수집된 면담자료를 합의적 질적 연구 방법으로 분석하였다. 그 결과 ‘직업 선택 동기’, ‘전문성 관련 어려움 경험’, ‘전문성 관련 어려움 극복 경험’, ‘전문성 관련 긍정적 경험’, ‘후배 남성음악치료사들을 위한 제언’ 총 다섯 개의 영역과 열일곱 개의 범주가 도출되었다. 남성음악치료사들은 직업정체성을 형성하는 과정에서 전문성 관련 어려움을 경험하지만 이를 극복하기 위한 노력을 통해 전문적 성장을 이루며, 그들의 희소적 특성에 따른 강점을 통해 긍정 적인 경험을 하는 것으로 나타났다. 이 연구는 음악치료 분야 내 남성의 고유한 경험을 고찰한 것에 의의가 있으며, 향후 음악 치료 분야에 입문하게 될 남학생들과 초보 남성음악치료사들의 전문가적 소양 형성에 방향성을 제시하여 그들의 직업정체성을 공고히 하는데 기초자료를 제공하고자 한다. The purpose of this study is to review the process of male music therapists developing professional identity. To that end, the researcher conducted in-depth interviews with eight male music therapists who are currently working in the field and used a consensual qualitative research method to analyze the collected data. The analysis was defined in five categories: motivation in selecting profession, experiencing difficulties related to the profession, experiences in overcoming difficulties related to the profession, positive experience related to the profession, and suggestions for junior male therapists and these are divided into 17 sub-categories. It was found that male music therapists experienced difficulties related to the profession while developing their professional identities, but they achieve professional growth, making efforts to overcome these difficulties. The status of being just a few in the field were found to be advantageous for their scarcity. This study is meaningful in that it reviewed the unique experiences of men within the field of music therapy. It also provides a basic set of data that can distinguish the professional identity of male music therapists to offer them a direction for professional growth.
이용헌(Yonghun Lee),곽동민(Dongmin Kwak),유지상(Jisang You) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
개인병사체계룰 위한 착용형 처리모듈은 개인병사가 착용하는 영상센서/마이크/복합센서를 통해 획득되는 데이터와 무선통신모듈을 통해 수신되는 영상/음성/전문 데이터를 처리한다. 또한 지도 데이터를 내장함으로써 위치 정보를 기반으로 전시되는 정보를 운용자에게 제공하는 기능을 수행한다. 본 논문에서는 착용형 처리모듈의 인터페이스 및 설계 방향을 제시한다 제안하는 착용형 처리모듈은 확장성을 고려하여 상용 모듈을 기반으로 설계하였다. The wearable processing module for the personal soldier system process data from image sensors/microphone/positioning sensors(IMU, GPS) and received image/voice/information data from the wireless communication module. It also provide map and location information to soldier using local tile map. In this research, we propose the design concept and system interface of wearable processing module. we designed the wearable processing module based on COTS(commercial off-the-shelf) for considering compatability.
Echinacea Supplementation: Does it Really Improve Aerobic Fitness?
( Cory W Baumann ),( Dongmin Kwak ) 한국운동영양학회 2016 Physical Activity and Nutrition (Phys Act Nutr) Vol.20 No.3
[Purpose] Echinacea is an herbal supplement used by endurance athletes for its performance boosting properties. It is thought that Echinacea improves the blood’s oxygen carrying capacity by increasing production of erythropoietin (EPO), a glycoprotein that regulates red blood cell formation. Subsequently, these changes would lead to an overall improvement in maximal oxygen uptake (VO2max) and running economy (RE), two markers of aerobic fitness. The purpose of this review is to briefly discuss the physiological variables associated with distance running performance and how these variables are influenced by Echinacea supplementation. [Methods] To determine Echinacea’s ergogenic potential, human studies that used Echinacea in conjunction to analyzing the blood’s oxygen carrying capacity and/or aerobic fitness were assessed. [Results] Taken together, the majority of the published literature does not support the claim that Echinacea is a beneficial ergogenic aid. With the exception of one study, several independent groups have reported Echinacea supplementation does not increase EPO production, blood markers of oxygen transport, VO2max or RE in healthy untrained or trained subjects. [Conclusion] To date, the published literature does not support the use of Echinacea as an ergogenic aid to improve aerobic fitness in healthy untrained or trained subjects.