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이은수,신진,Lee, Eunsu,Shin, Jin 한국해양전략연구소 2023 해양안보 Vol.7 No.1
본 논문은 북한의 SLBM 탑재 신형 잠수함과 핵 무인 수중 공격정 '해일'에 효과적으로 대응하기 위해 자항 기뢰와 초공동 어뢰를 결합한 융복합 무기체계를 제안하고, 그 효과성을 분석하였다. 자항 기뢰와 초공동 어뢰의 융복합 무기체계는 자항 기뢰의 은밀 매복 및 탐지 능력과 초공동 어뢰의 초고속 주행 능력을 결합하여, 각 무기체계의 장점을 극대화하고 단점을 상호 보완한다. 이 무기체계의 효과성을 분석하기 위해 국방전력발전업무훈령의 소요제기서 작성 기준을 참고하여 수중 유도무기의 작전 운용에 요구되는 성능에 적합하게 분석 기준을 선정하고, 기존 무기체계 대비 효과성을 수중 방어 지속성, 전투력 운용 융통성, 생존성, 지휘/통제, 운영 비용 효율성, 기상 영향 요인 등 6가지 측면에서 분석하였다. 또한, 시나리오 구상을 통해 이 무기체계의 실용성을 입증하였다. 자항 기뢰와 초공동 어뢰의 융복합 무기체계가 현실화 된다면 미래의 수중환경에서 한국의 안보에 매우 중요한 역할을 할 수 있을 것으로 기대된다. This study proposes a new convergence weapon system that combines the covert placement and detection abilities of a self-propelled mobile mine with the rapid tracking and attack abilities of supercavitating rocket torpedoes. This innovative system has been designed to counter North Korea's new underwater weapon, 'Haeil'. The concept behind this convergence weapon system is to maximize the strengths and minimize the weaknesses of each weapon type. Self-propelled mobile mines, typically placed discreetly on the seabed or in the water, are designed to explode when a vessel or submarine passes near them. They are generally used to defend or control specific areas, like traditional sea mines, and can effectively limit enemy movement and guide them in a desired direction. The advantage that self-propelled mines have over traditional sea mines is their ability to move independently, ensuring the survivability of the platform responsible for placing the sea mines. This allows the mines to be discreetly placed even deeper into enemy lines, significantly reducing the time and cost of mine placement while ensuring the safety of the deployed platforms. However, to cause substantial damage to a target, the mine needs to detonate when the target is very close - typically within a few yards. This makes the timing of the explosion crucial. On the other hand, supercavitating rocket torpedoes are capable of traveling at groundbreaking speeds, many times faster than conventional torpedoes. This rapid movement leaves little room for the target to evade, a significant advantage. However, this comes with notable drawbacks - short range, high noise levels, and guidance issues. The high noise levels and short range is a serious disadvantage that can expose the platform that launched the torpedo. This research proposes the use of a convergence weapon system that leverages the strengths of both weapons while compensating for their weaknesses. This strategy can overcome the limitations of traditional underwater kill-chains, offering swift and precise responses. By adapting the weapon acquisition criteria from the Defense force development Service Order, the effectiveness of the proposed system was independently analyzed and proven in terms of underwater defense sustainability, survivability, and cost-efficiency. Furthermore, the utility of this system was demonstrated through simulated scenarios, revealing its potential to play a critical role in future underwater kill-chain scenarios. However, realizing this system presents significant technical challenges and requires further research.
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이은수,신진,Lee, Eunsu,Shin, Jin 한국해양전략연구소 2022 해양안보 Vol.5 No.1
China has been pushing for a systematic strategy for territorialization over a long period of time to invade Korea's West Sea (Yellow Sea) in order to create China's territorial water. China's strategy for territorializing the West Sea is an activity in which China curbs the use of South Korea and enforces the illegal use of China in order to dominate the West Sea exclusively. China aided Chinese fishing boats that engaged in illegal fishing in Korea's jurisdiction as a means to territorialize the West Sea, and is opposed to combined exercise and training of Korea and the United States Naval Forces in the West Sea, while intentionally entering KADIZ(Korea Air Defense Identification Zone). In addition, Beijing used 'scientific exploration and research' measures as a pretext for its strategies in order to encroach on Korea's West Sea. China is carrying out such work to announce to the world that China is a systematic and organized country while consistently attempting to dominate the West Sea. China's activities in the West Sea seriously infringe South Korea's sovereignty. In order to respond to China's strategies of territorialization in the West Sea stated above, I analyzed the rejection effect of the ROK-US combined military training in the West Sea and presented a 'proportional response strategy centered on the ROK-US combined forces'. Korea should be able to respond proportionally to China's activities in the seas around the Korean peninsula, and Korea should be able to neutralize China's attempt to a Fait Accompli. In addition, just as China installs buoys in the Korea-China Provisional Measures Zone, Korea should be able to install and actively utilize some devices in the West Sea and for the use of free and open West Sea. Korea should not just wait for the tragic future to come without preparing for China's gradual and long-term strategy, and Seoul needs to respond to China's maritime policy in the West Sea with a more active attitude than it is now. China has historically taken a bold and aggressive response to neighboring countries that are consistent with a passive attitude, on the other hand, Beijing has taken a cautious approach to neighboring countries that respond with an active attitude. It should not be forgotten that Korea's passive response to the Chinese strategy in the name of a 'realistic approach' such as Korea's economic dependence on China for economy will result in China's success for territorialization of the West Sea.
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이은수(Eunsu Lee),이석복(Suk-bok Lee) 대한전자공학회 2015 전자공학회논문지 Vol.52 No.11
인터넷 사용 인구의 증가함에 따라 인터넷 차단우회 및 익명성 서비스에 대한 필요성은 해마다 증가하고 있다. 기존의 차단우회 및 익명성 서비스를 제공하는 시스템들은 각자의 기술적인 문제점들로 인하여 현실적으로 사용이 어려운 경우가 많다. 본 논문은 검열 ISP 안의 사용자와 자유 ISP 안의 사용자가 상호 협력을 통하여 차단 우회 및 익명성을 획득할 수 있는 방법에 대하여 제안한다. Internet censorship-circumvention and anonymizing services are becoming important with an increase in Internet population. Existing circumvention/anonymizing systems, however, have their own limitations, and they mainly suffer from the shortage of volunteers who relay others’ traffic to bypass censors. In this paper, we present a new way of achieving censorship-circumvention while guaranteeing anonymity through the cooperation between censored and uncensored users.
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이은수 ( Eunsu Lee ) 사단법인 아시아문화학술원 2020 인문사회 21 Vol.11 No.1
본 연구는 대학생 연애 경험의 의미를 이해하고 탐색하는 것을 목적으로 내러티브 탐구를 통하여 진행하였다. 연구참여자는 대학교에 재학 중인 3명의 여성으로 개별 심층면담으로 자료를 수집하였다. 내러티브 분석 결과, 참여자들의 연애 경험은 ‘연애의 시작: 나도 이제 연애한다’, ‘연애의 쓴맛: 갑과 을의 연애’, ‘연애 후 성장: 새롭게 찾은 나’의 세 단계로 나타났다. 또한 대학생의 연애는 자기에 대한 발견과 인식이 확장되는 경험이고, 자기 결정권과 책임감을 경험하는 능동적인 성장의 장이며, 사랑과 결혼에 부분적으로 연결되어 있다는 의미를 갖는다. 결과를 바탕으로 대학생이 자기를 이해하고 자아정체감을 확립하는 것을 지원하는 것의 필요성과 중요성에 대하여 논의하였다. 본 연구의 결과는 대학생 연애를 이해하는 실증적 자료를 제공함으로써 교육 및 상담 분야에서 이들을 지원하는 기초 자료로 활용될 것으로 기대한다. This study was conducted through narrative inquiry of undergraduate students’ romantic experience for the purpose of understanding and exploring the meanings of them. Participants were three female undergraduate students and the data were collected through in-depth interview with them. The result of the analysis of the narratives showed the following three stages: ‘The beginning of love: I am in romantic relationship now!’, ‘Bitter taste of love: position in the relationship’, and ‘Grow after love: newly found me.’ In addition, undergraduate students’ romantic experience was performed as an chance of expanding their insight about themselves, an active field of growing self-determination and responsibility, and is partly connected to real love and marriage. Based on the results I’ve discussed that a supporting undergraduate students in understanding themselves and establishing self-identity is necessary and important. The results of this study are expected to be used as basic data for supporting the students in the field of education and counseling by providing empirical data on understanding undergraduate students in romantic experience.
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