• (The)Study of the Eastern Classic
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• no.54
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• pp.45-76
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• 2014

The purpose of this paper is to examine Toegye(退溪 李滉, 1501~1570)'s interpretation of Chungyong(中庸) who led the completion of the $Chos{\breve{o}}n$-style acceptance of Neo-Confucianism. This paper is focused on revealing the way that how he understood it according to the system of Neo-Confucianism that was proposed by Chu Hsi, rather than revealing the unique perspective of Toegye. I have the following configuration in this paper. First, I have set two directions of research for understanding of Chungyong, these were derived through the work that is an overview of cases of interpretation of Chungyong of $Chos{\breve{o}}n$. 1) How to understand the overall structure of Chungyong? 2) How to understand key concepts of Chungyong? Next, basing on these directions of research, I analyzed Toegye's interpretation of Chungyong. To grasp the structure of the whole, Toegye followed the segmentation system and structure of Chungyong changgu: Commentary on the Doctrine of the Mean, and to understand key concepts of Chungyong, he conducted in collaboration with concepts of Neo-Confucianism. Concretely, I analyze his work : Chungyong $suk{\breve{u}}i$(中庸釋義) and Chungyong $jil{\breve{u}}i$(中庸質疑) for asserting that he accepted the segmentation system and structure of Chungyong changgu. And I analyze his documents: letters to and from his disciples. This analysis focus on concepts of Chungyong for asserting that his understanding is in the context of Chu Hsi and other Neo-Confucian scholars's commentary. Toegye tried to reduce the diversity of interpretation and present one meaning.

• (The)Study of the Eastern Classic
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• no.35
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• pp.189-214
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• 2009

The followings are the characteristics of Kyunghakkwan of Youngjae Oh Yunsang. First, he delves into Soju (小注: Small notes or commentaries) of Saseo-Jibju-Daejeon (四書集註大全: Compendium of the Commentaries of Four Confucius Canons). Frequently adding, "thinking," "thinking again," he enumerates his own theories critical of various scholars who left commentaries in Daehak-Janggu-Daejeon (大學章句大全: Compendium of the sentences and phrases in Daehak, one of the canon) and Jungyong-Janggu-Daejeon (中庸章句大全: Compendium of the sentences and phrases in Jungyong, another canon). Secondly, he quotes theories of Korean confucius scholars. Besides Lee Yulgok, he introduces mainly theories of Nongam Kim Changhyub and Namdang Han Wonjin. Thirdly, he researches into various canons. He diverts from the general trend of Chosun confucius studies which focuses on Saseo and explores Seokyung (書經: One of Five canons of Chinese Confucius Studies and the oldest history book). Fourthly, his Kyungseol, especially that of Jungyong, was recognized and accepted by his contemporary Giho School scholars. Finally, he shows skepticism even on Confucius's own ideas and begs to differ.

• Journal of the Korean Society for Library and Information Science
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• v.48 no.1
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• pp.97-116
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• 2014

When the Yongle Emperor of the Ming Dynasty seized the power as the emperor of China, he issued a royal order to Hokwang and others, to publish a book entitled "Sambudaejeon," in the name of following the death-bed instruction of Taizu. The book was completed no less then 10 months after the order was issued in September 1415(Yongle 13). With the first copy imported from the Ming Dynasty as the original script, Sambudaejeon was engraved on wood by going sharing with 3 provinces including Gyeongsang-do, Jeonlla-do, and Gangwon-do, during the period of 1427~1428(Sejong 9~10). The result of surveying and analysing the distribution of the Ming Dynasty was imported to Chosun, shows that the engraving copy of the original script from the Ming was published more then 18 times in Chosun, among which only 50 types are identified to exist currently. As a result of analyzing these 50 existing types, This status of publication suggests that the books were intensively published and distributed in Gyeonggi and Gyeongsang provinces where the demands for the books were urgent, to meet the needs when the books were rapidly lost during the period of Japanese invasion.

• Journal of Satellite, Information and Communications
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• v.11 no.3
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• pp.104-109
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• 2016

A technology of GEO satellite communications starts from Koreasat program in Korea. Payload equipment of EQM Ku and Ka band transponders had been developed and space-qualified Ka band payload in COMS was successfully launched in June, 2010. For the purpose of military communications, Dehop-Rehop transponder was developed in Koreasat5 as ANASIS system and DAT(Digital Active Transponder) and DCAMP(Digital Channel AMPlifier) transponders are now under development. In this paper, from the study of military satellite communications trend, a direction of military communication satellite is suggested based on the current GEO SATCOM technologies in Korea. Considering the limit of frequency resources, a technology of battlefield adaptive transponder with medium capacity against high moveable jamming tactics would be efficient for the future military SATCOM system. Mid-sized military satellites with frequency hopping and mid-capacity transponders can be a solution of vitalizing the GEO satellite programs.