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마이크로파 대역에서 실내 환경의 경로손실인자를 사용한 통계적 모델링
이권익,홍석욱,강부식,김흥수 濟州大學校 産業技術硏究所 1999 산업기술연구소논문집 Vol.10 No.1
In this paper, indoor propagation characteristics are analyzed for various environments such as corridors, walls and corners at microwave band. In order to present the statistical model for indoor environments the loss factors of each case are obtained by linear regression analysis method with the function of logarithmic distance between transmitter and receiver. Comparisons of our predicted results to measurements indicate that improvements in accuracy over conventional statistical models are achieved.
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이권익,유재준,류승훈 慶熙大學校 材料科學技術硏究所 1996 材料科學技術硏究論集 Vol.9 No.-
Dynamic crystallization and melting behavior of LLDPEs with butene-1 copolymer was studied. Crystallization and melting temperature was decreased with increasing cooling rate for low comonomer concentration LLDPEs. However, no significant variation of crystallization and melting temperature was observed for high comonomer concenration LLDPEs. It was observed that crystallization and melting behavior were strongly dependent on the concentration of comonomer rather than a molecular weight. From the thermal behaviors and WAXS study, it was found that high comonomer concentration LLDPE experience the different crystal formation process.
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무선 LAN용 개구결합 마이크로스트립 원통형 유전체 공진 안테나 설계 및 제작
이권익,김흥수 한국전자파학회 2001 한국전자파학회논문지 Vol.12 No.3
비유전율 ${\epsilon}_{r}$=36인 유전체를 이용한 무선 LAN용 개구 결합 마이크로스트립 원통형 유전체 공진 안테나(DRA)를 설계하고 제작하였다. 우선 급전 소자는 마이크로스트립 전송선로 이론을 이용하여 급전 선로 길이, 선로 폭, 슬롯 길이, 슬롯 폿과 스터브 길이을 계산하였다. 방사 소자는 원통형 유전체 cavity 이론을 이용하여 설계하였다. 제작된 원통형 DRA의 공진주파수는 2.449 GHz이고 VSWR, 반사 손실과 대역폭은 각각 1.009, -47dB 와 70MHz이다. 방사 패턴의 전후방비는 13dB이고 E면과 H 면의 3dB 빔폭은 각각 1$10^{\circ}$과 90$^{\circ}$이다. In this paper, on aperture-coupled microstrip cylindrical dielectric resonant antenna(DRA) consisting of dielectric material with permittivity ${\epsilon}_{r}$ = 36 is designed and fabricated fir wireless LAN. First of all, the feedline length, width, slot length and width of the feeding element were calculated using the theory of microstrip transmission line. Radiation element is designed using the theory of cylindrical dielectric cavity, Resonant frequency of the fabricated cylindrical DRA is 2.449 GHz and VSWR, return loss and bandwidth is 1.009, -47 dB and 70 MHz, respectively. Front-to-back radiation ratio is about 12 dB and 3 dB beamwidth of E-plane and H-plane is 110$^{\circ}$ and 90$^{\circ}$ , respectively.
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권익기(權益棋) 원광대학교 원불교사상연구원 2023 원불교사상과 종교문화 Vol.98 No.-
가정의례란 가족의 인생에 중요한 전기마다 가정에서 행하는 의례이다. 관혼상제로 널리 알려져 있지만 전통적으로는 유사즉고 등의 통례도 있고, 현대는 작명례와 수연례도 포함한다. 이름은 당사자를 특정하고 정체성을 나타내며, 작명은 사회적 출생의 의미를 갖는 우리 일생의 중요한 전기이기에, 과거부터 가정의례 대상이었으므로 이를 살폈다. 작명 관련 가정의례는 전통적으로 작자례가 있었고, 1990년대부터는 작명례도 행하고 있다. 자를 짓고 설하는 작자례는 전통적 성년례인 관례의 한 부분으로 포함되어 있었다. 관례는 16세기 초 정착한 이후에도 상층 일부만 행하다가 조혼과 단발령으로 일제강점기에 사라졌다. 하지만 성인의 인격을 갖추기 위한 교육적 성격이 강해서 1999년 관례는 성년례로 다시 부활한다. 그러나 이와 별개로 민적법 시행 이후 경명사상과 피휘가 사라지면서 자가 없어짐에 따라서 작자례는 부활하지 못하고 명맥조차 끊겼다. 작명례란 어린 아이에게 본명을 부여하는 가정의례로, 『주자가례』와 우리 가례서에도 명기되어 있을 정도로 그 역사는 깊다. 조선시대에도 시행했다고 주장하나 확인되지 않고, 1990년대부터 작명례를 가정의례에 포함하였지만 아직 거의 시행되지 않는다. 그러나 육체적 출생과 사회적 출생인 작명을 포함하는 작명례는 우리 일생에 중요한 전기이므로 당연히 가정의례의 대상이었기에, 가례서를 바탕으로 가정의례에 작명례를 포함한 것은 높이 평가받아야 한다. 또한 우리는 작명례 활성화를 위해서 명첩의 현대화와 작명법 역시 상세한 기록이 필요하다. Family rites are performed rites by family in each important turning point of family members. Even though it is known as Gwanhonsangje, traditionally, there is also Tonglye like Yusajeuggo. Today, both Suyeonlye and Jagmyeonglye are also included. Name specifically identifies a person, has identitis, and naming has the meaning of social birth. As an important turning point of our lives, it has been an object of family rites from the past, so this thesis examined this. As the family rites related to naming, traditionally, there was Jagjarye included in Gwanlye. From the 1990s, Jagmyeonglye has also been carried out. Gwanlye which was the traditional coming of age ceremony included Jaseol and Jagmyeonglye of Ja. Even after Gwanlye was settled down in the early 16th century, it was carried out only by some of the upper class. Due to the early marriage and Danballyeong, Gwanlye gradually disappeared in the Japanese colonial era. However, because of the strong educational feature for getting equipped with adult’s character, it was revived as coming of age ceremony in 1999. However, separately from this, after the enforcement of Minjeogbeob, Gyeongmyeongsasang and Pihwi disappeared, and along with the disappearance of ja, Jagjarye also disappeared. Jagmyeonglye is the family rites that name a Bonmyeong to a young child. The history is long enough to be recorded in Jujagarye and traditional Garyeseo. Even though it is argued to be carried out in the Joseon Dynasty, it has not been verified. From the 1990s, Jagmyeonglye was included in family rites, which has still rarely been carried out yet. Jagmyeonglye, which includes both physical birth and naming was an important turning point of our lives, so it was an object of family rites. Therefore, it should be highly evaluated that Jagmyeonglye was included in family rites based on Garyeseo. For the vitalization of Jagmyeonglye, we also need modernization of Myeongcheob and detailed records of naming methods.
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이권익,김흥수 濟州大學校 情報通信硏究所 1999 情報通信硏究所論文集 Vol.2 No.-
In this paper. finite-difference time-domain(FDTD) method is employed to analyze a probe-fed cylindrical dielectric resonator antenna. The effect of various parameters on the characteristics of the DR antenna are studied. The impedance matching of the antenna can be accomplished by adjusting the position b and the length l of the coaxial probe. As ε_(r) is increased. the resonanat frequency decreases and the value of the input impedance increases.
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권익호(權益湖),송숙정(宋淑正) 중앙대학교 일본연구소 2013 日本 硏究 Vol.0 No.34
This study verified through the used sentences whether the word ‘日本", employed in the catchphrases in Japanese newspaper advertisements, plays the role of a linguistic sign with connotations. As a result, it is known that the connotation of the word ‘日本" serves as an ideological subject to be protected, saved and safeguarded, identified with the world as the supreme value, getting beyond Japan and the image based on the national value. The research further shows that ‘日本’ implies a stronger connotation when pronounced as ‘にっぽん’ than when pronounced as ‘にほん’, and in a sentence in which the state ideology of nationalism is strongly expressed, ‘日本 is pronounced as ‘にっぽん". The study also shows that the word ‘日本’ as a linguistic sign has developed into a myth through the interaction with the signs connected with each other.
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