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신채호의 근대적 공동체 모색의 양상과 그 시대적 의미 - 사회진화론의 극복 양상과 민족의식의 전환을 중심으로 -
진보성 ( Jin¸ Bosung ) 한국철학사상연구회 2021 시대와 철학 Vol.32 No.3
이 글은 신채호가 구상한 근대적 사회공동체 모색의 양상과 그 시대적 의미를 정리하고 평가하는 것을 목적으로 한다. 그 시각의 중심은 사회 진화론의 극복과 민족의식의 전환이다. 신채호는 사회진화론을 자강의 차원에서 수용했다. 양계초가 수용한 사회진화론은 한국의 지식인들에게 지대한 영향을 주었으나 신채호는 중국의 지식인들과 달랐다. 그는 한국의 특색을 바탕으로 우리 민족국가의 수립을 전망했다. 그 추세는 1920년대 전과 후로 나눌 수 있다. 이 논문은 신채호의 공동체 구상에서 그가 보여준 여러 복합적 모습들에 대한 종합적 평가이다. 그래서 그의 사상의 핵심 개념인 민족과 민중에 대해 설명하고, 또 1900~1920년대의 민족주의, 제국주의, 근대국가, 아나키즘을 다룬다. 결국 이 논문은 신채호가 사회진화론에 대응한 모습과 그가 민족과 민중을 시대에 따라 어떻게 이해했는지를 잘 보여줄 것이다. 한국의 식민지 시기 한 지식인의 변화무쌍하지만 일관된 내재성의 한 모습을 살펴보려 한다. The purpose of this article is to summarize the aspects of the search for a modern social community envisioned by Shin Chaeho and evaluate the meaning of the theory. The center of that view is the overcoming of Social Darwinism and the transformation of National identity. Shin Chaeho embraced Social Darwinism at the level of national strenuous efforts. Korean intellectuals were greatly influenced by Social Darwinism accepted by Yanggye-cho, as did Shin Chaeho. However, Shin Chaeho was different from the Chinese intellectuals. He predicted the establishment of our nation-state based on the characteristics of Korea. The trend can be divided into before and after the 1920s. This thesis is a comprehensive evaluation of Shin Chaeho's various complex features in his community concept. So, he explains the core concepts of his ideology, the nation and the people, and deals with nationalism, imperialism, modern state, and anarchism of the 1900s and 1920s. In the end, this thesis will show how Shin Chaeho responded to Social Darwinism and how he understood the nation and the people according to the times. Let's take a look at the ever-changing but consistent immanence of an intellectual during the colonial period in Korea.
ENC-MAC: Energy-efficient Non-overlapping Channel MAC for Cognitive Radio enabled Sensor Networks
( Bosung Kim ),( Kwangsoo Kim ),( Byeong-hee Roh ) 한국인터넷정보학회 2015 KSII Transactions on Internet and Information Syst Vol.9 No.11
The concept of Internet of Things (IoT) has shed new light on WSN technologies. MAC protocol issues improving the network performance are important in WSNs because of the increase in demand for various applications to secure spectrum resources. Cognitive radio (CR) technology is regarded as a solution to the problems in this future wireless network. In recent years, energy efficiency has become an issue in CR networks. However, few relevant studies have been conducted. In this paper, an energy-efficient non-overlapping channel MAC (ENC-MAC) for CR-enabled sensor networks (CRSNs) is proposed. Applying the dedicated control channel approach, ENC-MAC allows the SUs to utilize channels in a non-overlapping manner, and thus spectrum efficiency is improved. Moreover, the cooperative spectrum sensing that allows an SU to use only two minislots in the sensing phase is addressed to en-hance energy efficiency. In addition, an analytical model for evaluating the performance, such as saturation throughput, average packet delay, and network lifetime, is developed. It is shown in our results that ENC-MAC remarkably outperforms existing MAC protocols.
Bosung Kim,Young-Jun Cho,Sang-Koog Kim 한국자기학회 2021 한국자기학회 학술연구발표회 논문개요집 Vol.31 No.1
The function of multiplexing of information signals is the key to data transmission in telecommunication technologies and computer networks. As an alternative information carrier, collective excitations in spin textures with non-trivial topological charges such as vortex and skyrmion have been receiving a great attention owing to the novel wave characteristics of their coupled dynamic modes. Earlier studies have revealed that coupled gyration modes in arrays of either vortices [1-8] or skyrmions [9,10] can be used as information carriers with the advantage of relatively reliable control of their wave properties in micron- or nano-scale devices without Joule heating. Although the fundamentals of coupled modes and their potential application to information processing devices are reported, a new-concept demultiplexing operations based on coupled-gyration-mode signals have not been studied. In this study, we explored, by micromagnetic numerical calculations, a robust control of coupled gyration modes propagating along specially designed vortex-state arrays by applying in-plane bias magnetic fields [11]. We also demonstrated conceptual operations of time- and frequency-division demultiplexers on the basis of the characteristic coupled modes of vortex gyrations in arrays composed of several disks of different combinations of circular and chopped shapes [11]. A specific arrangement of circular- and chopped-shape disks in vortex-state arrays and application of an in-plane static bias magnetic field in opposite directions allows for gyration-signal propagation with desired specific frequencies toward either longitudinal direction. This device concept offers an energy-efficient means of information processing without joule heating in cases where a low-damping magnetic material is used in micro-to-nanometer-scale magnonic circuits.
Pyrocarbon Whisker Growth on the Catalytic Mullite Substrate by the Pyrolysis of Methane
Bosung Rhee,Young-Tae Park 한국탄소학회 2005 Carbon Letters Vol.6 No.2
Like bamboo-sprouts after rains, numerous subμm-sized pyrocarbon whiskers growth on the Mullite (3Al2O3·2H2O) substrate could be observed through a looking glass during methane pyrolysis at the temperature of 1050℃ in this study. If the surface of substrate would be scrubbed strongly with iron metals, then finely sticked iron particles were more effective catalytic for nm-sized whisker growth. Numerous fine flakes of pyrolytic carbon were hanging by invisible nm-whiskers as like as small spiders hanging by a spiderweb. This is the identification of nm-sized whisker growth. Therefore if the pyrolysis would be stopped at the initial stage of the whisker growth, the primary lengthening growth was nm-sized whisker. So could we vary arbitrarily sizes of whisker from nm- to μm-sizes. But μm- and nm-whiskers grown with the different growth mechanism; the former was straight and the latter has twigs, The lengthening growth of whisker was depended on the flow pattern pyrolysis species on the active sites of substrate and on the growth duration. We could obtained straight whisker length of 10~20 μm/min during the primary growth and laboratory spiral whisker of 30~40 μm-diameter/hr during the secondary growth.
A Multi-Antenna-based Active Tracking System for Localization of Invasive Hornet Vespa velutina
Bosung Kim,Jeonghyeon Pak,Chanyoung Ju,Hyoung Il Son 제어로봇시스템학회 2022 제어로봇시스템학회 국제학술대회 논문집 Vol.2022 No.11
Herein, we design three experiments to prove the traceability of a multi-antenna-based active tracking system by using an unmanned aerial vehicle (UAV) in variable environments and actual Vespa velutina. In the first experiment, the movement of Vespa velutina with an attached sensor is measured, and it is checked whether there is a difference between the measurements obtained with and without the attached sensor. In the second experiment, we track a small drone instead of a Vespa velutina, which cannot provide ground truth data, and compare and analyze the path of the small drone with the tracking path of the UAV. In the third experiment, we track an actual Vespa velutina in various environments, in addition to measuring and evaluating the distance between the UAV and the target at the end of tracking, the localization result, and the tracking path. The experimental results will help to prove that transmitter attachment does not affect the target and traceability of the multi-antenna-based active tracking system when it is attached to real Vespa velutina.