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      • KCI등재
      • KCI등재

        단 채널 GaAs MESFET의 속도 포화영역에서 2차원 전위 도출을 위한 해석적 모델

        오영해(Young-Hae Oh),장은성(Eun-Sung Jang),양진석(Jin-Seok Yang),최수홍(Soo-Hong Choi),갈진하(Jin-Ha Kal),한원진(Won-Jin Han),홍순석(Sun-Suck Hong) 대한전자공학회 2008 電子工學會論文誌-SD (Semiconductor and devices) Vol.45 No.11

        본 논문에서는 단 채널 GaAs MESFET의 포화영역에서의 I-V 특성을 도출하기 위한 해석적 모델을 제안하였다. 기존의 단 채널 GaAs MESFET에 대한 해석이 채널 pinch-off의 개념이 도입되는 모델이었던 반면, 본 논문에서는 전자의 속도 포화영역이 유한한 채널 폭을 갖으면서 전류 연속 조건을 만족하도록 공핍영역의 2차원 전위 분포 식을 도출하였다. 또한 속도 포화영역의 길이를 채널 전체 길이, 채널 도핑 농도, 게이트 전압 및 드레인 전압의 함수로 도출하여 포화영역에서의 Early 효과를 보다 합리적으로 설명할 수 있음을 보이고 있다. In this paper, we suggest an analytical model that can derive the I-V characteristics in the saturation region of a short channel GaAs MESFET. Instead of the pinch-off concept that has been used in the conventional models, we can derive the two-dimensional potential in the depletion region in order that the velocity saturation region cannot be pinched-off and the current continuity condition can be satisfied. Obtained expression for the velocity saturation length is expressed in terms of the total channel length, channel doping density, gate voltage, and drain voltage. Compared with the conventional channel length shortening models, the present model seems to be considerably accurate and more reasonable in explaining the Early effect.

      • KCI등재

        조선시대 분묘 內 매납 자기에 대한 一考

        오영인(Oh, Young-in) 중앙문화재연구원 2013 중앙고고연구 Vol.0 No.12

        본 논문은 최근까지 조사된 조선시대 분묘유적 중 한양 공동묘역에서 출토된 한 벌의 자기 부장품의 매납 양상과 특징에 대한 구체적인 규명을 시도한 글이다. 이를 위해 조선시대 한양의 공동묘역인 서교와 동교의 위치가 현재 진관동을 중심으로 한 은평구 일대, 광진구-중랑구-노원구 일대인 것으로 추정하여 이들 지역에서 발굴조사된 5,228기의 분묘 중 128기에서 출토된 한 벌의 자기 부장품을 대상으로 살펴보았다. 총 119건의 부장품 조합을 살펴본 결과 백색이 갖는 의미가 부장품에 적용되어 높은 백자의 매납 비율을 보였으며, ‘발·종자·접시·호·청동시(+저)’의 구성 안에서 개별적인 부장품의 조합이 선별되었고, 그중 ‘발+청동시’의 조합이 가장 높은 비율을 차지하였다. 본 논문에서는 한 벌의 자기 부장품의 구성과 용례에 집중하여「세종실록 」 「 오례의 」 흉례 명기조의 기명 조합, 김장생의 제기도, 명대 분묘 출토품과의 비교를 진행했고, 그 결과 한양 공동 묘역에서 출토된 한 벌의 자기 부장품은 당시 국가적인 예제의 지침에 부합하는 기종에 해당하고, 중국의 제기 기물의 용례와 연관지어 음식, 다례용 제기로 사용된 이후 한 벌의 부장품으로 성격을 변환시켜 매납되었을 가능성을 제시하였다. This study set out to investigate burial aspects and feature of sets of Grave Goods, with the recently excavated relics of the boundaries of a communal grave within Hanyang City in Joseon Dynasty. For that purpose, the relics were presumed Eunpyeong-gu including Jingwan-dong as a western suburb(西郊), Gwangjin-gu, Jungnang-gu and Nowon-gu as the eastern edge(東郊), in which were further examined closely sets of Grave Goods including ceramics excavated 128 graves from among whole 5228 graves. As a result of inspecting the whole 119 sets of Grave Goods including ceramics, white porcelain took possession of most proportion with implication as white color, each compositions were made a selection from the combine of bowl, a small dish, plate, jar and bronze spoon, among which the combine of bowl and bronze spoon comprised the most proportion. The further study, focusing on the composition and usage of sets of Grave Goods including ceramics, compared objects in Five Rituals of Sejong chronicles(世宗實 錄 五禮儀), Kim Changsaeng(金長生)’s book depicting utensils used in ancestral rites, articles excavated from graves in Ming Dynasty, which they were types suited to national guideline, converted tableware for table use and the tea ceremony to utensils used in ancestral rites, being committed to the earth, sets of Grave Goods including ceramics excavated in the boundaries of a communal grave within Hanyang City.

      • 교번흐름하중에 따른 토목섬유 필터층의 거동분석

        오영인 ( Oh Young In ),유전용 ( Yoo Jeon-ong ),강병윤 ( Kang Byung Yoon ),김현태 ( Kim Hyun-tae ) 한국농공학회 2004 한국농공학회 학술대회초록집 Vol.2004 No.-

        토목섬유의 다양한 기능 중에서 토목섬유 자체의 투수성을 이용한 토목섬유 필터 및 배수공은 천연골재의 부족과 탁월한 시공성 때문에 토목섬유의 주된 적용분야로 자리 잡고 있다. 이에 따라 많은 학자와 기술전문가들에 의하여 토목섬유 필터 및 배수공에 대한 설계기준과 효율적인 시공방법들이 이론적이나 실험 및 경험적으로 연구되어 왔으나 복잡한 현장여건을 충족시킬 수 있는 최적의 설계방법 정립을 위해서는 지속적인 연구가 요망된다. 토목섬유 필터가 강우나 해수에 의하여 포화되거나 반복적 흐름에 의한 교번하중이 작용될 경우, 변형율이 커지며 접촉마찰 저항이 감소하여 파괴가 빠른 속도로 진행된다. 본 연구는 양방향의 교번흐름이 발생되는 구간에 설치된 토목섬유 필터층에 대하여 토목섬유이 종류, 교번흐름 주기 및 횟수, 상재하중 등의 경계조건에 따른 필터재료 거동 및 토목섬유 필터의 특성변화에 대하여 총괄적인 실험적 연구를 수행 중에 있다. 본 논문에서는 현재까지 연구된 내용 중 토목섬유 필터층에 의하여 보호되는 모재료의 입자 재배열 거동과 교번흐름에 따른 토목섬유 필터의 피로영향을 분석하였으며, 연구결과에 따른 결론은 다음과 같다. 1. 교번흐름에 따른 모재료의 입자 재배열 거동은 일방향 흐름에서 발생되는 필터케이크층 형성 또는 구멍막힘 현상이 미미하거나 느리게 발생되어 장기적이며 연속적인 세립분의 유실이 발생되었다. 또한, 토목섬유 필터의 인장강도 변화는 교번흐름 주기변화에 따라 최대 약 32%(교번흐름 주기 5초), 상재하중 재하(약 20tf/m<sup>2</sup>)에 따라 최대 40%이상의 강도저하현상이 발생되었다. 즉 일방향 흐름에 비하여 교번흐름의 작용 시 반복적인 변형과 응력변화로 인하여 피로영향을 많이 받는 것으로 나타났다. 2. 교번흐름이 작용하는 토목섬유 필터층의 경우, 모재료의 입자재배열에 의한 필터층 변형 및 절곡이 예상되며, 반복적인 변형과 응력변화로 토목섬유 필터의 강도저하 현상도 현저히 발생되므로 토목섬유 필터충의 유보기준(Retention criteria)을 만족하며, 토목섬유 필터의 강도를 보강할 수 있는 대안이 필요할 것으로 사료된다. Geotextiles form one of the two largest groups of geosynthetics and it is consisted two major types of synthetic material (Woven, Non-woven). The functions of geotextiles are separation, reinforcement, filtration, drainage and as a moisture barrier. Within these functions, however, there are a large number of applications or use areas. Although the many research scholar and engineer developed and established the design criteria and construction methodology of geosynthetics filter layer, because the lack of suitable design terminology and uncertainty of long term durability, sustainable research still needed for optimum design methodology to the complicate field conditions. Especially, more intensive research needed about under the cyclic flow condition and fine silty sand base material. In this paper, the filter model test performed under cyclic flow with various boundary conditions (period and frequency of cyclic flow, types of geosynthetic filter material, surcharge etc.).

      • KCI등재

        21세기 전환기 미국 여성사와 뉴페미니즘(New Feminism)

        오영인 ( Young In Oh ) 역사교육학회 2014 역사교육논집 Vol.52 No.-

        This study is for introducing and understanding American Women`s history, particularly new feminism which has been emerging since the mid-1980s. Affected by Civil Rights movement in the 1960s, the New Left criticized the liberal consensus view of American history. Within the historical discipline, in addition, a social and cultural history revolution took place in the 1970s that pushed scholars to emphasize the history from the bottom up such as class formation, regional history, race relations, religions, and gender relations. Emerging from women`s inquiries in the 1960s and the 1970s, women`s history has become one of the most prolific and creative fields in American history. Even so, however, before the mid-1980s, women`s history scholars treated it as a branch of social history which normally emphasized the experiences of ordinary women as a passive agent and the sources of their oppression as women. Women`s history still could not overcome the limits that focused on the rise and fall of Victorian domesticity, with its attention to women`s "separate sphere." By looking at the world as dichotomy between man/woman or public/private sphere, therefore, women`s history before the mid-1980s was criticized as biased analyses. However, since the path-breaking article by Joan Scott in 1986 who introduced the socially and culturally constructed concept of "gender" instead of biological unchangeable concept of sex. Now, the separate public and private spheres became not fixed but socially constructed and possible to change. American women`s history is entering the era of "new feminism" which request historians to change their historical recognition paying more attention to the multiplicity of women`s historical experiences. Both the rise of gender history and the new emphasis on differences among women have reshaped historian`s understanding of women as historical subject. Women`s history is no longer a branch of social history. Historians of law, labor, politics, public policy, race, etc are now recognizing gender as a important category of analysis. This study, in particular, explore three areas that new feminism have reshaped the women`s history at the turn of the 21st century: gender and race; gender and culture(including consumer culture); gender and public policies especially social welfare policies and the policy of citizenship. By doing so, this study provides one possible way in what American women`s history should go.

      • KCI등재

        스포츠 유형과 문화권에 관한 연구

        오영도(Young Do Oh) 한국사회체육학회 2000 한국사회체육학회지 Vol.13 No.-

        This study has the following results from comparing a type of sport and cultural realm. In all types of sports. People who live in West Europe Culture Realm, East Europe Russia Culture. Realm, and Anglo America Culture Realm gained a lot of medals more than any other culture realm. People who live in China, Latin America, Australia Culture Realm had the great potential in this type of sport. In the Skill sports, people who live in West Europe Culture Realm, East Europe Russia Culture Realm gained a lot of medals. People who live in China, Australia, and Latin America Culture Realm had the great potential in this type of sport. In the Conquest sports, people who live in West Europe Culture Realm, East Europe Russia, Anglo America Culture Realm gained a lot of medals. People who live in Australia Culture Realm had the great potential in this type of sport. In the Combat sports, people who live in West Europe Culture Realm, East Europe Russia, and Anglo America Culture Realm gained a lot of medals. People who live in China, Latin America, and Arab Moslem Dry Culture Realm had the great potential in this type of sport.

      • KCI등재

        역대하계올림픽대회의 성별 참가경기와 스포츠 유형에 관한 비교

        오영도(Young Do Oh) 한국사회체육학회 2008 한국사회체육학회지 Vol.0 No.34

        In this study, the research thesis aims to conduct a comparative analysis on participation games type according to gender type and sports type based on based on the summer olympic games(from 1896 to 2004). This comparative study has the following results from comparing the classified by gender realm a type of participation games type and sports type which are primary factors of following. First, there is a difference of Gender type and Participation athletics as a function of gender at p<.001 level. Second, there is a difference of participation games type and the game of athletics as a function of gender at p<.001 level. Third, there is not a difference of sports type and the game of athletics as a function of gender at p>.05 level. Fourth, there is a difference of skill sports and the game of athletics as a function of gender at p<.001 level. Fifth, there is a difference of conquest sports and the game of athletics as a function of gender at p<.001 level. Sixth, there is not a difference of combat sports and the game of athletics as a function of gender at p>.05 level.

      • KCI등재

        일반논문 : 미국 자유주의와 백인 미국 만들기 -20세기 전반 시민권 정책을 중심으로-

        오영인 ( Young In Oh ) 수선사학회 2014 史林 Vol.0 No.47

        This study is to explore how American liberalism as a hegemonic discourse at the turn of the 20th century and the half of the century affected federal immigration laws which had been changed from traditional liberal immigration policies to anti-liberal restricted ones. In addition, I examine how individual states and the Supreme Court utilized liberalism for making white America through election laws and the way of defining American citizenship. Historically, the meaning of citizenship has been changed in America where diverse ethnicities with so many different backgrounds live together. Since the beginning of the States, American liberalism continues to provide the basic ideological framework in which most Americans think about politics and society, and liberalism, too, has been so flexible enough to have historically represented both progressive and retrogressive position. With large waves of so-called "new immigrants" from Eastern and Southern Europe at the turn of the 20th century, nativists and Darwinian liberals asserted the law of competition that only the most talented and able members of society would survive and prosper, and Anglo-Saxon race among whites was the superior member of true American. Darwinian liberalism was so closely connected to the laissez-faire doctrine and social darwinist ideologies. Under this rationale, traditional liberal immigration policies had been changed to unliberal restrictive immigration control through federal immigration acts like the Literacy Test Act of 1917 and the National Quota systems in 1924. After the passage of the stringent restrictive 1924 immigration policy, however, most of nativists and liberals no longer focused on the question of openness. The efforts of them turned instead to the issue of filtering naturalized aliens already in the nation and restricting their potential to become full member of American citizens who would participate politics. Under the doctrine of traditional federalism, individual states still had a strong grip to establish qualifications for suffrage, and more than 20 states passed the election law that required voters to demonstrate comprehensive reading and writing ability in English. Legally sanctioned discrimination, the English literacy election law was designed to disenfranchise undesirable yet naturalized linguistic minorities. Based on the prevailed sentiment of white supremacy and Darwinian liberalism, in addition, the Supreme Court developed the category of Caucasian in naturalization decisions. Using the racialized scientific doctrine or common understanding of color, the Supreme Court maintained that the meaning of white expanded to accommodate immigrants from the previously undesirable Europeans from Eastern and Southern Europe. This loss of distinction gave a legal basis for all white Europeans only to be American citizens, making white America slowly but surely. On the contrary, nonwhite`s struggles and resistances for the full membership as an American citizen were buried under the gigantic power of both federal and individual governments and the Supreme Court which paved the ground works for making white America.

      • KCI등재

        文學作品飜譯에 나타난 日本語 漢字語의 誤譯事例와 그 類型

        오영은(Oh Young Eun) 한국통번역교육학회 2005 통번역교육연구 Vol.3 No.1

        Korea and Japan belong to the cultural sphere of Chinese character which has shown its long and indispensable existence in both countries. However, in the semantic range of Chinese words or their directions, some remarkable differences have arisen in each country. Those differences have been produced by the language policy of each country with the different backgrounds while passing through ages. This paper attempts to illustrate some essential examples of the mistranslation of Chinese words that appear in the Korean translation of Japanese literature. What needs to be emphasized here is that the translators do not have enough knowledge on the peculiar Japanese usage of Chinese words and on the different meaning or semantic range of Chinese words used in each country. This fact causes mistakes on the translation. For analysing the causes which resulted in mistranslation, this paper uses the text SOREKARA of Soseki Natsume and two Korean versions of it. This paper also aims at providing certain ideas in theorizing the methodology of education in the field of translating Japanese into Korean.

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