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이현재 서울대학교 사회발전연구소 2023 Journal of Asian Sociology Vol.52 No.1
This article starts with the following questions: Why did some digital feminists in Korean society set safety as the number one issue rather than freedom? Why did they come to emphasize gatekeeping communities for women? To answer these questions, the time-space conditions under which they live are defined as the digitalpolis, which is characterized by flowing networks and hybridity, unlike traditional cities as territorial places of homogenization. It is an urban network where the flow of science and technology, people, goods, money, and images are intricately interconnected. Furthermore, this research argues that in a digitalpolis, women experience the fear of physical boundary loss and the anxiety of uncertainty even more than before. In the psychasthenia and anti-intellectualist atmosphere that appears with the fear and anxiety in the digitalpolis, women drive a movement that puts safety first. Based on this, this study insists that some digital feminists try a strategy of direct punishment online to respond to the fear and anxiety, and they form gated communities that strengthen sexual boundaries, maintaining an imaginary identity, such as the biological woman. Finally, this research reflects on whether the strategies of direct punishment and gated communities can guarantee women’s safety.
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EM 시뮬레이션 시 사용되는 전압/전류/전력원의 상호 변환에 대한 연구
이현재,한준희,최경륜,나완수 한국전자파학회 2024 한국전자파학회논문지 Vol.35 No.3
본 논문은 EM(electromagneric) 시뮬레이션 시 사용되는 전압/전류/전력원의 상호 변환 방안을 제안한다. 전압파(voltage wave)와 전류파(current wave)를 도입하여 전원과 부하 사이에 전송선로의 유무에 따른 전력, 전압, 전류 수식을 구하였다. 특히, 시뮬레이션 시에 사용되는 전원과 시뮬레이션 해석 영역 사이에 전송선로가 없는 경우에도 입사 전압원 및 입사전력원의 수식에는 반사계수가 나타나게 되며, 이것의 의미를 명확히 하기 위해 전압, 전류, 전력 수식을 분석하였으며, 또한 전압파와 전류파를 기반으로 한 상호 변환 방정식을 제시하였다. 이를 3D EM 시뮬레이션의 전원 설정에 적용하였으며, 각각의 등가 전원에 따른 시뮬레이션 결과를 비교하여 그 유효성을 검증하였다. This study developed a method for interconverting voltage, current, and power sources used in electromagnetic (EM) simulations. By incorporating voltage and current waves, equations for power, voltage, and current were derived while accounting for the presence or absence of transmission lines between the source and load. In particular, in the absence of a transmission line between the source and load, the characteristic impedance of the transmission line appears in these equations. To elucidate this observation, the equations for voltage, current, and power were analyzed, and mutual conversion equations based on voltage and current waves were formulated. Additionally, the interconversion equations based on voltage and current waves were applied to a three-dimensional (3D) EM simulation, and they were validated by comparing the simulation results for each equivalent source.
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