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정유미,Jeong, Yumee 한국광학회 2021 한국광학회지 Vol.32 No.4
본 논문에서는 적외선 탐색 및 추적 기능을 수행하는 광각 주사 광학계와 표적의 전자광학 추적 기능을 수행하는 협/중시계 광학계의 기능이 통합된 가변 F/수 삼중 배율 적외선 광학계를 설계하였다. 기존 광각 주사 광학계를 기반으로 무한 초점 광학계를 전단부에 설계하여 협/중시계 기능을 수행할 수 있는 광학계를 구현하였다. 시스템 성능 분석을 통해 성능 목표를 설정하고, 이를 바탕으로 광학계 설계를 위한 설계 사양을 도출하였으며, F/수가 다른 광학계를 추가하기 위해 조리개 크기를 줄여주는 웜 스톱을 적용하였고, 설계된 광학계에 적합하도록 세부 형상을 설계하였다. 설계 완료된 협/중시계 광학계 설계 결과를 분석하여 MTF (modulation transfer function)와 같은 목표 성능을 만족하는 것을 확인하였으며 운용성을 고려하여 비열화와 표적 거리에 따른 초점 렌즈군의 이동량을 분석하였고, 이를 통해 광역 탐색 및 추적 기능과 정밀 추적 및 3차원 정보 획득 기능이 통합된 단일 광학 시스템의 구현이 가능함을 확인하였다. In this article, the design of a variable F-number and triple magnification infrared optical system is described. That is a two-in-one optical system that combines an infrared search and track (IRST) system and an electro-optical tracking system (EOTS), where an afocal optical system is added to the IRST optical system designed already. The performance target is determined by analyzing system performance, and then the specification in the optical system design is calculated. This optical system contains a warm stop making it possible that one optics has two different F/# by cutting the size of aperture, and that is designed to suit this optics. The system satisfies the requirement such as a modulation transfer function (MTF). For operational assessment, the movement of the focusing lens group is analyzed over the change of temperature and target distance. By using this optical system, it is possible to develop equipment having two functions, infrared searching and electro-optical tracking.
공감의 기제로서의 서사 텍스트 - 「소문의 벽」과 「빈 방」을 중심으로
정유미 한국문학이론과비평학회 2011 한국문학이론과 비평 Vol.51 No.-
This thesis aims to discuss the aspect that narrative text works as a mechanism of empathy targeted Lee Chung-jun’s fiction 「The Wall of a Rumor」 and 「The Empty Room」. The followings are summary account. At first, when discuss about ‘empathy’, it is very important concept that interrelationship. Fundamentally, the mechanism of empathy is formed by essential condition that ‘speech act’ and ‘active understanding of listener’. The narrative text is transformed by interaction of speeching and listening to writing and reading. So that make mechanism of empathy by revealed text and reading action. And there, In Lee’s fiction, there are characters that have damaged of statement system as mechanism of empathy. Lee’s text attempt to cure their damaged statement system by substitute for their lost ‘voice’. Because they cannot speech by themselves, so they need a voice that can speech in their voice, that appeared as narrative action of narrator in Lee’s text. But the problem point is there are effects of the logic behind ‘power’ that narrative action of narrators, likewise characters have damaged at statement system. Finally, narrative action of narrator cannot cure Lee’s character’s damaged statement system, and failure to make empathy with characters, because of ‘the other vigilance eyes’ that inherent in narrative action. About that, Lee’s fiction open the possibility of empathy, by making a distinctive narrative strategy and ask for response of authors. In the point that cannot make possibility of empathy, Lee’s text choose the narrative strategy in fictional ending that narrators handed over character’s unique symptom. And then, authors handed over that too. Lee’s text open the prospect of empathy, by disclose ‘the other vigilance eyes’ and ‘hidden power’ in the narrative action. For all these examination, Lee’s two fictions worked as the mechanism of empathy, appeared by distinctive narrative strategy that ask for ‘response’ of authors.
Depressive Symptoms and Missed Nursing Care among Clinical Nurses: A Cross-Sectional Survey
정유미,장형은 기본간호학회 2023 기본간호학회지 Vol.30 No.4
Purpose: This study aimed to compare missed nursing care between nurses with and without depressive symptoms. Methods: A cross-sectional survey was conducted with shift-working nurses at a general hospital in South Korea. Data from 184 nurses were analyzed using the independent t-test, the x2 test and the Fisher’s exact test. Results:The most frequently missed nursing care items reported by hospital nurses were, in descending order, monitoringintake/output, assessing the effectiveness of medications, bathing and skin care, washing hands. The order ofmissed nursing care items was similar between groups with and without depressive symptoms, but there werestatistically significant differences between the two groups in the mean scores for vital signs, bedside glucosemonitoring, turning patients every 2 hours, providing emotional support to patients, skin/wound care, patientdischarge planning, response to the call light, and pro re nata (PRN) medication requests acted on. Conclusion:Nurses’ mental health needs to be monitored and managed more closely, as it is correlated to missed nursing care. Health institutions and nursing departments should support nurses through strategies that can quickly detect andmanage nurses’ depressive symptoms. Systematic resources incorporating social support among nursecolleagues could also be used as strategies to reduce depressive symptoms and missed nursing care.
성인여성의 홍차섭취와 체질량지수 및 우울 정도와의 관련성
정유미,최미자 동아시아식생활학회 2019 동아시아식생활학회지 Vol.29 No.5
Daegu area by survey. Participants were asked to report their usual intake of black tea, height, weight, preference of tea type, and depression-related score. Only 11.3% reported that they drank three cups of black tea per week. The BMI level of these respondents was significantly low, and their perception of the effect of black tea on health was high. Their perception of their health condition was high, and their perception of black tea related to price was low. Only 8.1% reported that they were obese. The age of these respondents was significantly high, and their intake of black tea and depression score were high. Their perception of their health condition was low, and their perception of black tea related to price was low. Compared with those showing a depression score ≥25, those with a depression score ≤24 were significantly more likely to be older. The frequency of black tea consumption, health condition, awareness of black tea price, awareness of the effect of black tea on health, dietary habit score, and exercise habit score of the older respondents were high. About 58.2% reported that they consumed black tea using tea bags. About 89.7% reported that they believed black tea had a positive effect on health. In conclusion, a higher intake (≥three cups/wk) of black tea was associated with a lower BMI and depression in adult women. The results of this study warrant further investigation of association between black tea intake, BMI, and depression management in humans.