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최병화 한국국제통상학회 2022 국제통상연구 Vol.27 No.3
This paper analyzes how Taiwan’s New Southbound Policy (NSP) affects the export performance of firms using customs transaction-level data of Taiwanese exporters for the period 2006–2017. The analysis shows that the NSP has not made the expected progress in increasing exports to NSP target countries and reducing exports to China over the short term. Contrary to the policy’s initial aims, the NSP has increased the value of high-technology-intensive goods exported to China. It has also increased export price, quantity, and value to Taiwan’s other major trading partners—the United States, Japan, and Korea. These findings suggest that the NSP should be developed further to provide tangible support for exports to target countries and to accelerate some measures for promoting early harvests and concrete achievements. Moreover, continuous investment and policy support are needed from a long-term perspective.
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최병화 호서고고학회 2007 호서고고학 Vol.0 No.17
백령산성은 충청남도 금산군 남이면 역평리와 건천리 일대의 성재산 山峰에 위치한 둘레 207m의 테뫼식 석축산성이다. 산성은 2차에 걸친 발굴조사를 통해 다양한 부대시설과 내부구조가 확인되었으며, 성내에서는 백제유물만이 출토되고 있어 백제산성의 원형을 연구는데 매우 좋은 자료가 되고 있다. 산성은 주변으로 험준한 산맥으로 둘러싸여 시야가 좋지 않지만, 성이 위치한 능선 일대를 장악하여 제한적인 시야를 극복하였다. 그리고, 성내에는 목곽 및 구들시설과 같이 군사가 오래 상주할 수 있는 부대시설을 구비하여 방어기능을 유지하였다. 특히 목곽시설은 백제의 목조 건축술을 파악할 수 있는 몇 않되는 귀중한 자료로서 입지와 구조 등을 고려할 때, 식수나 생활용수를 저장하는 저수기능을 하였던 것으로 판단된다. 이외도 방어의 취약점을 고려한 현문식 구조와 치 시설은 백령산성이 변방에 위치한 소규모 산성이지만 적의 침입에 대비한 방비가 견고하게 갖추어졌음을 보여준다. 발굴조사가 이루어지기 전까지 백령산성은 주목받지 못하였지만 사실 백령산성이 위치한 교통로는 오래전부터 신라의 백제 침공로 가운데 하나인 탄현으로 통하는 주요 통로로 주목되어 왔던 곳이다. 백령산성을 경유하면 동쪽으로 영동, 진안, 무주로 연결되며, 서쪽으로는 東方城으로 비정되는 논산 은진을 통해 백제의 수도 사비로 바로 연결되기 때문이다. 이와 같은 지리적인 중요성으로 인해 백령산성이 위치한 교통로를 포함한 금산 전역의 古代 교통로는 諸학자들에 의해 신라의 백제 침공로 가운데 하나로 지목되어 많은 연구가 이루어져 왔다. 최근에는 금산과 진안에서 확인되는 가야 및 백제 유물을 통해 일찍부터 “백제-금산-가야” 교통로가 이용되었던 것으로 확인되었다. 이를 통해 보면 금산은 신라에게 있어 백제를 침공할 수 있는 전초기지와 같으며, 백제에게 있어서는 내륙 깊숙한 곳에서 신라를 방비할 수 있는 거점지이면서 진안을 통해 남쪽 가야세력과 연결되는 최단루트의 교두보와 같은 곳이었던 것이다. 따라서 백령산성은 금산의 역사적인 배경과 지정학적인 중요성을 고려할 때, 금산의 서남단에 위치하여 “백제중앙-금산, 금산-가야”를 연결하는 교통로 한가운데를 지키는 관문과 같은 기능을 하였던 것을 알 수 있다. Baekryeong Mountain fortress is a stone laid fortress situated at Seong Jae Mountain summit that encompasses Yeok pyeong-ri and Geon cheon-ri in Nami-myon, Geumsan Province, Chungcheongnam-do. It took on a shape of loop with a tombs-looking style, 207m in girth. There have been two excavations of the mount fortress, which uncovered a variety of auxiliary facilities and interior structure. Inside the fortress, many artifacts from the Baekje Dynasty were uncovered, collection of which will help in studying the original shape of the Baekje Dynasty mountain fortress. The mountain fortress wall is surrounded by rugged mountain ranges, which provide not a very good field of view. However, inasmuch as the fortress took a position on the mountain range, one can overcome the limited view. Inside the fortress, there were such auxiliary facilities as wood facility, underground heating system, enabling the occupants to maintain a defensive position for a prolonged time period. The wood facility is one of the very few valuable historical relics, from which one can determine Baekje building techniques. It can be determined that wood facility served as a holding tank for drinking water. Furthermore, the wall took into consideration the fragile defense point by building a garret-gate style structure and chi(雉) facilities, all of which demonstrate that even though the mountain fortress was a wall of a small scale located in the outer area, it was nevertheless solidly equiped for defense. Before the excavation, Baekryeong Mount fortress did not attract much attention. However, the routes surrounding the mountain range served as major roads that led to Tanhyon(炭峴), which was one of the routes that Silla took to attack Baekje. If you stop over at Baekryoung mount fortress, you can go on to Yeongdong, Jinan, and Muju on the east side and to the west you can directly reach Sabi from Nonsan, the eastern-castle(東方城) and Eunjin. Because of such geographical importance, the ancient traffic routes surrounding all of the Geumsan area surrounding Baekryoung Mount fortress have been studied a great deal by scholars as one of the routes that Silla used to attack Baekje. Recently, some artifacts found in Geumsan and Jinan that were of Baekje Dynasty and Gaya Dynasty confirmed that the Baekje-Geumsan-Gaya route was used from the early days on. From these we can determine that Geumsan was like an outpost of Silla from which it could advance against Baekje. At the same time it was a defense post of Baekje against Silla and provided the shortest route for Baekje to join forces with the Gaya power through Jinan. Consequently, when considering Baekryeong Mount fortress's historical background and geopolitical importance, it performed the functions of a gate that guarded the Central Baekje-Geumsan and Geumsan-Gaya traffic route.
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A study on the optimum curvature for the curved monitor
최병화,이승배,이자은,홍성수,이장두,김성철 한국정보디스플레이학회 2015 Journal of information display Vol.16 No.4
Curved displays have been actively developed beyond the limits of the conventional flat displays. The curved displays are known to be advantageous for immersion, preferences, and viewing convenience. As such, it is necessary to conduct ergonomic studies on the curvature of the curved display. In this study, experiments were conducted to determine the optimal curvature of the curved display for six kinds of contents. The results of the experiments showed that the optimal curvature is 560.9 mm at the standard viewing distance of 600 mm, which can be considered an evidence that there is an intriguing correlation between the viewing distance and the display curvature. It is expected that the results of this study would improve the existing display products and would provide ergonomic guidelines for the users.
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Depth sensitivity of stereoscopic displays
최병화,최동욱,이재은,이승배,김성철 한국정보디스플레이학회 2012 Journal of information display Vol.13 No.1
Depth sensitivity is considered one of the factors influencing 3D displays the most. In this paper, the perceptual 3D depth was quantitatively measured to compare the depth difference among the display devices. No difference was found in the typical display performance among the devices, but the subjective evaluation of the depth sensitivity where the disparity was varied showed that the organic light emitting diode (OLED) had the highest performance, mainly due to its almost 0% crosstalk, one of the features of OLED. Crosstalk is a form of image superposition that greatly affects the depth sensitivity. The experiment results showed that the quantitative depth sensitivity varies due to geometric factors such as disparity, viewing distance, and subjective sensitivity, depending on the display image characteristics, such as crosstalk and contrast.
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