• Journal of the Korean BIBLIA Society for library and Information Science
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• v.6 no.1
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• pp.133-160
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• 1984

The main purpose of the present study is to survey the major abstracting bulletins of national nature in Korea, to define such problem areas as lacunae, duplicates and limitation in coverage in the abstracting services currently available in Korea, and to make some suggestions for action for improving the abstracting services in the light of general principles and the tradition and situations unique to Korea. The major conclusions reached at this study are summarised as follows: (A) A new abstracting bulletin of general nature covering the whole field needs to be created in each of the following fields where no established abstracting service is available for the outcome of research and development activities in Korea. (1) Language (2) Religion (3) Art (4) Language (5) Literature (6) History (B) A new specialised abstracting bulletin needs to be created in each of the following fields of science where abstracting services limited in coverage are partially available. (a) Statistics (b) Sociology (c) political science (d) Public administration (e) Law (f) Folk lore (g) Military science (2) Pure sciences (a) Mathematics (b) Chemistry (c) Astronomy (d) Geology (e) Mineralogy (f) Life sciences (g) Botany (h) Zoology (3) Applied sciences (a) Agriculture (b) Architectural engineering (c) Mechanical engineering (d) Electrical engineering (e) Chemical engineering (f) Manufacturing industry (g) Domestic science (C) Publication of the abstracting bulletins suggested in (A) and (B) above may be ideally carried on by a qualified learned society established in the respective field. and should be financially supported by the public fund under the provisions of Art. 27 of the Research Promotion Act of 1979. (D) The current practice of adding the author's abstract and keywords to each of the records of the "Doctoral Theses in Humanities and Social Sciences" part of the" Catalogue of Doctoral and Master's Theses Submitted to the Universities in Korea" published by the National Assembly Library should be applied to all the other parts, i. e. to the parts of the "Master's Theses in Humanities and Social Sciences" and of the "Doctoral and Master's Theses in Natural Sciences': which will not only increase the Catalogue's use value but also discourage appearance of various theses abstracts of individual academic institutions such as the" Abstracts of the Doctoral and Master's Theses Submitted to Korea Advanced Institute of Science and Technology" which will in turn reduce inefficiency involved in the abstracting services at national level. (E) A general abstracting bulletin covering most part of the outcome of research and development activities in Korea other than that covered by the existing abstracts needs to be created to be temporarily. used till the abstracting journals suggested in this study will be fully available. A realistic way of having such a bulletin may be to expand the present coverage of "The Abstracts of the Reports of the Government-sponsored Projects" currently published by Korean Research Foundation.

• Strategy21
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• s.44
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• pp.5-27
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• 2018

The purpose of this paper is to look at USN's efforts to rebuild its combat power in the face of a reemergence of great powers competition, and to propose some recommendations for the ROKN. In addition to the plan to augment its fleet towards a 355-ships capacity, the USN is pursuing to improve exponentially combat lethality(quality) of its existing fleet by means of innovative science and technology. In other words, the USN is putting its utmost efforts to improve readiness of current forces, to modernize maintenance facilities such as naval shipyards, and simultaneously to invest in innovative weapons system R&D for the future. After all, the USN seems to pursue innovations in advanced military Science & Technology as the best way to ensure continued supremacy in the coming strategic competition between great powers. However, it is to be seen whether the USN can smoothly continue these efforts to rebuild combat strength vis-a-vis its new competition peers, namely China and Russian navy, due to the stringent fiscal constraints, originating, among others, from the 2011 Budget Control Act effective yet. Then, it seems to be China's unilateral and assertive behaviors to expand its maritime jurisdiction in the South China Sea that drives the USN's rebuild-up efforts of the future. Now, some changes began to be perceived in the basic framework of the hitherto regional maritime security, in the name of declining sea control of the USN as well as withering maritime order based on international law and norms. However, the ROK-US alliance system is the most excellent security mechanism upon which the ROK, as a trading power, depends for its survival and prosperity. In addition, as denuclearization of North Korea seems to take significant time and efforts to accomplish in the years to come, nuclear umbrella and extended deterrence by the US is still noting but indispensible for the security of the ROK. In this connection, the naval cooperation between ROKN and USN should be seen and strengthened as the most important deterrents to North Korean nuclear and missile threats, as well as to potential maritime provocation by neighboring countries. Based on these observations, this paper argues that the ROK Navy should try to expand its own deterrent capability by pursuing selective technological innovation in order to prevent this country's destiny from being dictated by other powers. In doing so, however, it may be too risky for the ROK to pursue the emerging, disruptive innovative technologies such as rail gun, hypersonic weapon... etc., due to enormous budget, time, and very thin chance of success. This paper recommends, therefore, to carefully select and extensively invest on the most cost-effective technological innovations, suitable in the operational environments of the ROK. In particular, this paper stresses the following six areas as most potential naval innovations for the ROK Navy: long range precision strike; air and missile defense at sea; ASW with various unmanned maritime system (UMS) such as USV, UUV based on advanced hydraulic acoustic sensor (Sonar) technology; network; digitalization for the use of AI and big data; and nuclear-powered attack submarines as a strategic deterrent.

• Journal of Navigation and Port Research
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• v.39 no.4
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• pp.293-297
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• 2015

Underwater acoustic communications has been limited use for military purposes in the past. However, the fields of underwater applications expend to detection, submarine and communication in recent. The excessive multipath encountered in underwater acoustic communication channel is creating inter symbol interference, which is limiting factor to achieve a high data rate and bit error rate performance. To improve the performance of a received signal in underwater communication, many researchers have been studied for channel coding scheme with excellent performance at low SNR. In this paper, we applied BCJR decoder based ( 2,1,7 ) convolution codes and to compensate for the distorted data induced by the multipath, we applying the turbo equalization method. Through the underwater experiment on the Gyeungcheun lake located in Mungyeng city, we confirmed that turbo equalization structure of BCJR has better performance than hard decision and soft decision of Viterbi decoding. We also confirmed that the error rate of decoder input is less than error rate of $10^{-1}$, all the data is decoded. We achieved sucess rate of 83% through the experiment.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.13 no.3
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• pp.623-628
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• 2009

The emergence of compact and low-power wireless communication sensors and actuators in the technology supporting the ongoing miniaturization of processing and storage allows for entirely the new kinds of embedded systems. These systems are distributed and deployed in environments where they may have been designed into a particular control method, and are often very dynamic. Collection of devices can communicate to achieve a higher level of coordinated behavior. Wireless sensor nodes deposited in various places provide light, temperature, and activity measurements. Wireless sensor nodes attached to circuits or appliances sense the current or control the usage. Together they form a dynamic and multi-hop routing network connecting each node to more powerful networks and processing resources. Wireless sensor networks are a specific-application and therefore they have to involve both software and hardware. They also use protocols that relate to both applications and the wireless network. Wireless sensor networks are consumer devices supporting multimedia applications such as personal digital assistants, network computers, and mobile communication devices. Wireless sensor networks are becoming an important part of industrial and military applications. The characteristics of modem embedded systems are the capable of communicating adapting the different operating environments. In this paper, We designed and implemented sensor network system which shows through host PC sensing temperature and humidity data transmitted for wireless sensor nodes composed wireless temperature and humidity sensor and designs sensor nodes using embedded system with the intention of studying USN.

• Journal of the Korean Institute of Traditional Landscape Architecture
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• v.28 no.2
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• pp.86-97
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• 2010

The royal tombs of the Joseon dynasty are very important cultural heritage with the palaces and Jongmyo. They being promoted as World Heritage of UNESCO and are archaeological sites that need to complex approach. The purpose of this study is to propose the restoration plan of Gimpo Jangreung. The results are as follows: First, in the area of Gimpo Jangreung, there are many land-use except the royal tombs such as a military camp and industrial districts, Public Cemetery, they have to be removed and new routes have to be established same as the original form. Second, the traditional trees such as a pine tree, a fir tree, a big cone pine and a rhododendron etc. have to be planted in the traditional forest. We introduce upper trees and lower trees in the entrance part and religious service part, and pine tree forest in burial mound part and maintain the lawn. Third, the traditional buildings and facilities such as Hongsal-gate, Jaesil, Suragan, Subokbang and Uhjwong have to be restored maintained, and we planed some convinient facilities and rest facilities for visitors.

• (The)Study of the Eastern Classic
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• no.55
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• pp.193-221
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• 2014

This study aims to analyze trends of advanced research of "Muyedobotongji". The conclusions are as following in these. First, the number of theses related with "Muyedobotongji" is 47 in total including 29 master's theses and 18 doctor's theses. The sports science comprises the largest proportion of study including 23 master's degree and 12 doctor's degree. Besides sports science field, "Muyedobotongji" is analyzed in various study fields such as library and information, engineering, science of art and culture contents. In master's theses, They focused on practical ways of "Muyedobotongji". But "Muyedobotongji" is conducted by perspective of the humanities in doctor's theses. Second, There are 72 theses related with "Muyedobotongji" in scientific journal. Regarding these in detail, there are 35 theses in sports science, 12 theses in Korean history, 7 theses in martial arts, 5 theses in dance studies, 4 these in Korean studies, 2 theses in Chinse studies, 2 theses in art history, 1 these in Japanese literature and 1 thesis in military science. This fact helps us understand "Muyedobotongji" is studied actively in sports science field. Third, the future research directions of "Muyedobotongji" Should be considered in 3 categories. first, it needs to do interdisciplinary fusion research. Through this, it can complement insufficient parts of existing researches. Second, it needs to make standard Key words. The unified Key words are able to use communicating in different field of scientific journals without confusing. Third It needs to build data bases which are applied to martial art areas. It can provide chances for both Korean martial arts and "Muyedobotongji" to be practiced in culture contents.

• Cross-Cultural Studies
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• v.24
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• pp.46-61
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• 2011

This paper considers how Koreans found their positions in the complex, overlapping, disjunctive, and interconnected "Oriental" repertoires in the early Cold War years. When we use the term, Oriental, it should require careful translation from context to context because it may be subject to very different sets of contextual circumstances. Klein views Cold War Orientalism in the complex of various regions including East Asian and Southeast Asian countries; however, when Koreans are contextualized at the center of the discussion the Orientalism produces another discursive meaning. Even though many great researches have been done on Korean immigrations, Korean American literatures, and US-Korea economic, political, and foreign relations, not many discussions about Korean American popular cultures have been discussed in the basis of the Oriental discourse in the United States.For this argument, this paper investigates the performative trajectory of a girl group "Kim Sisters" who began to sing at the US military show stages in South Korea in 1952 during the Korean War. They moved to Las Vegas show stages in 1959 and later appeared in Ed Sullivan Show more than thirty times during the 1960s and 70s. Meanwhile, they not only returned to South Korea often times to perform at the stages for Korean audiences in South Korea but also played at the shows for Korean immigrants in the United States. Korean American immigration to the United States has followed a different route from the majority of Asian American population such as Chinese or Japanese Americans, which means that efforts to compare this particular group to the others may be unnecessary. Rather doing comparative studies, this paper, therefore, focuses on the formation of the intersecting and multiple identities of Korean female entertainers who were forced or forced themselves to be incorporated into the American popular "Oriental" imagination, which I would call "embedded" identities. This embeddedness has been continuously maintained in the configuration of Korean characters in the United States. This will help not only to observe the discursive aspect of Asian American identity politics but also to claim a space for comparatively invisible Korean characters in the United States which has been often times neglected and not brought into a major Asian American or Oriental historical discourse. This paper starts with American scenes at the beginning of the twentieth century to trace Americans Oriental imagination which was observable in the various American cultural landscape and popular music soundscape. It will help us more clearly understand the production and consumption of the Korean "Oriental" performances during the early Cold War period and especially the Korean performance in the American venue, silently overshadowed into the political, social, and cultural framework.

• Convergence Security Journal
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• v.21 no.1
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• pp.137-147
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• 2021

The purpose of this study is to summarize the variables for making the power expansion of terrorist organizations possible by analyzing the power transitions among the Somalia governments and terrorisms. For this, I created a framework after extracting the independent variables affecting the power transition using the theories of Hans J. Morgenthau, A.F.K Organski, K.J. Holsti. On the basis of these, I analyzed the power transitions among the organizations from August 2012(the foundation of Federal government) to August 2019. According to the results, the power area of the federal government is extremely narrowed, whereas the power areas of al-Shabaab, ISIS, and neutral conflict are largely expanded. The factors in the framework were embodied as the delay of powerful federal government foundation, the shortage of national military forces, the limitation of effective use of foreign forces, the continuation of cooperation and antagonism among armed terrorist organization, sanctuary environment of terrorists using the Sharia law, advantages of force recruitment resulted from the bad economic conditions, public support suitable for the Somalia environment. All of these factors work the causes of lasting anarchy condition of the federal government of Somalia by making the settlement of conflict against terrorist organizations.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.3
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• pp.291-297
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• 2019

The world's leading industrialized nations are improving their national science and technology capacity through the continuous expansion of national R&D investment and the improvement of performance in accordance with the trend of the fourth industrial revolution. As rapid technological development following technological convergence necessitates a preemptive response to a new paradigm, the importance of securing high technology that affects the national competitiveness is increasing day by day. Core technologies and future new technologies that affect national competitiveness can be seen as a measure to upgrade the nation's innovative capabilities. In particular, the core technologies and future new technologies to prepare for changes in a security environment and future battlefields are very important in the defense sector that develops weapons systems. In the defense sector, the core technologies based on the military weapons systems are identified, and future new technologies that use the best technologies of the private sector for national defense, not on the needs of develops weapons systems, are derived. This study examined the characteristics of core technology and future new technology of defense ground unmanned systems, conducted a comparative study through empirical analysis, and concluded that strategic technology planning and research and development are needed according to the core technology and future new technology characteristics.

• Journal of Internet Computing and Services
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• v.22 no.1
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• pp.23-30
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• 2021

This paper proposes a noise-tolerant image classification system using multiple autoencoders. The development of deep learning technology has dramatically improved the performance of image classifiers. However, if the images are contaminated by noise, the performance degrades rapidly. Noise added to the image is inevitably generated in the process of obtaining and transmitting the image. Therefore, in order to use the classifier in a real environment, we have to deal with the noise. On the other hand, the autoencoder is an artificial neural network model that is trained to have similar input and output values. If the input data is similar to the training data, the error between the input data and output data of the autoencoder will be small. However, if the input data is not similar to the training data, the error will be large. The proposed system uses the relationship between the input data and the output data of the autoencoder, and it has two phases to classify the images. In the first phase, the classes with the highest likelihood of classification are selected and subject to the procedure again in the second phase. For the performance analysis of the proposed system, classification accuracy was tested on a Gaussian noise-contaminated MNIST dataset. As a result of the experiment, it was confirmed that the proposed system in the noisy environment has higher accuracy than the CNN-based classification technique.