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백태경 ( Tae Kyung Baek ),山下三平 ( Sampei Yamashita2 ) 한국지리정보학회 2013 한국지리정보학회지 Vol.16 No.1
본 연구는 아시아 각국 중 활발히 경관계획이 수립되고 있는 일본과 우리나라를 대상으로 경관데이터베이스를 구축함과 동시에 경관제도를 비교하고 분석함을 목적으로 했다. 경관법 제정후의 우리나라의 경관법(2008.3)과 일본의 경관법(2004.6) 그리고 그 조례와 시행사례를 한국과 일본을 대상으로 비교하여 특징을 파악했다. 일본에서는 2010년 12월 1일 현재 472개의 지자체가 경관행정단체이며 우리나라는 2010년 3월 1일 현재 83지자체가 경관행정단체임을 알 수있었다. 한일 양국의 경관법은 전체적으로 보면 유사한 구조로 구성되어 있으나 우리나라의 경우 부칙과 벌칙규정이 없고 일본의 경관법에는 경관지구조항이 있다는 점 등이 특징이라 할 수 있다. 본 연구에서 도출된 결과들은 앞으로 동아시아지역의 경관계획 또는 경관제도의 확립 및 발전에 기초자료로서 활용할 수 있으리라 기대된다. This study is to compare and analyze the current status of landscape planning system in Korea and Japan by establishing the landscape database utilizing geographic information system(GIS). Specifically, landscape laws and their ordinances enacted in Korea and Japan and their implementation cases were compared to identify the characteristics. As of December 1, 2010, landscape administrative bodies are composed of 472 local governments in Japan while as of March 1, 2010, they are 83 local governments in Korea. The landscape laws in Korea and Japan have a similar structure overall. However, there are no supplementary provision and penal provision in the Korean landscape law whereas there is landscape district provision in the Japanese landscape law. The results of this study would be used as a base for building up the landscape planning and policy in the East Asian region.
Multi-Carrier Multi-Rate Modem for Universal FDMA/TDMA system
Yamashita, Fumihiro,Tabata, Masaaki,Kobayashi, Kiyoshi,Kazama, Hiroshi 통신위성우주산업연구회 2006 Joint Conference on Satellite Communications Vol.2006 No.-
We introduce a new multi-carrier multi-rate modem (MCMRM) module designed to support Universal FDMA/TDMA systems. Universal FDMA/TDMA is a new system that flexibly supports MF-TDMA and TDMA as well as multi-rate FDMA. We believe that the Universal FDMA/TDMA system will allow both system operators and customers to utilize frequency and/or time resources more efficiently than is possible with conventional systems. To implement this system, we have developed a new MCMRM module. This module has advanced functions such as a novel frequency multiplexer/demultiplexer, multi-carrier frequency decomposition/regeneration, and multi-carrier burst demodulation. This paper provides a detailed outline of the recently developed functions and an experimental evaluation of their performance. Measured results from the experiments demonstrate the feasibility of developed MCMRM module.
Knowledge Spillover Effects on Agglomerations of Environment-related Industries
Yamashita, Jun World Technopolis Association 2014 World Technopolis Review Vol.3 No.3
The number of environment-related technologies has increased remarkably over the past two decades, as has the public's interest in effective resource use and ways to reduce the effects of global warming. Industries that are based on environment-related technologies are thus growing rapidly. Previous studies revealed that externalities derived from the population concentration in urban areas positively affect agglomerations of high-tech industries. Such externalities have been named the "knowledge spillover effect". The purposes of the present paper are to (1) give a thumbnail sketch of the locations of environment-related industries around the world, using the Organisation for Economic Co-operation and Development environment-related patent statistics, and (2) explicate the effects of the Marshall-Arrow-Romer (MAR) and Jacobs externalities, which result from population concentrations in urban areas, on the agglomeration of environment-related industries in Sweden. The analysis revealed that environment-related industries are located chiefly in urban areas across the globe, and that only the MAR externalities influenced positively on the agglomeration of these industries in Sweden.
Developing an Overseas Field Practicum for Pre-Service Japanese Teachers from Korea
Yamashita, Daisuke 한양대학교 일본학국제비교연구소 2013 비교일본학 Vol.29 No.-
본고는 프로젝트에 기초한 개발 연구이다. 여러 해 동안 개발학 분야에서 이용되어 왔던 연구수법이지만, 본론에서는 대학교육에서의 일본어교원 양성 과정의 커리큘럼 연구에 응용했다. 본고의 목적은 본지 제27집(2012)에 필자가 개재한 말레이시아에서 의 교육실습 평가 프로그램에 관한 논문에 대하여, 그 성립 과정의 경위에 대한 문의 가 있어, 이를 밝히고자 함에 있다. 또한, 프로젝트 성립과정에 관한 선행연구를 조사 한 결과, 유럽과 미국에서 개발된 프로젝트에 기초한 개발 연구가 가장 합당한 연구 수단이라는 결론에 이르렀다. 필자는 프로젝트 개발을 커리큘럼 개발에 적용하여 실 시하기 시작한 2009년도부터 작년도까지의 경위를 밝히고 그 변화에 대하여 논리적인 정합성을 취하고 있었는가에 대한 분석을 시도했다. 그에 따라 모든 학문분야에서 가 장 중요한 연구의 재현성을 구현하고, 본 연구를 참조함에 따라 보다 용이하게 벤치 마킹을 할 수 있을 것이다. 본고는 급격하게 저출산이 진행되고 있어 교원의 길이 좁아지는 가운데, 중국, 특 히 영어권에 서 교육실습을 행함으로 경쟁력을 향상시키고, 나아가 다문화화가 진행 되는 한국 사정에도 대응 가능한 차세대형 교원 양성 과정의 파일럿 모델을 제언한다.
Fundamental Characteristics of Onboard Bandwidth-Variable FFT Filter Bank
Yamashita, Fumihiro,Kazama, Hiroshi,Nakasuga, Yoshinori,Ueba, Masazumi 통신위성우주산업연구회 2000 Joint Conference on Satellite Communications Vol.2000 No.-
Voice service is currently the main service in mobile satellite communications, but in the future, there will be a demand for high-data rate services offering multimedia contents. Therefore, an onboard processor capable of handling services of various data rates is required. In the present study, it is assumed that a non-regenerative onboard processor will be used. The onboard processor must have functions to filter signals and convert their frequencies in a channel-by-channel manner. An FFT filter bank satisfies these requirements. However, the conventional onboard FFT filter bank is only applicable to signals of constant bit rate. Hence, the onboard bandwidth-variable filter bank that can handle many signals of various bit rates is proposed. The principle of operation of the bandwidth-variable FFT filter bank is described, then the BER performance of an FPGA-implemented design is evaluated.
Food plants suitable for mass rearing of the coconut hispine beetle Brontispa longissima
Yamashita, Ai,Winotai, Amporn,Nakamura, Satoshi,Takasu, Keiji Institute of Agricultural Science 2009 Korean Journal of Agricultural Science Vol.36 No.1
The invasive pest Brontispa longissima(Coleoptera: Chrysomelidae), native to Indonesia and Papua New Guinea, has extended its distribution to Australia, Asia and Pacific islands and caused serious leaf damages of the coconut palm Cocos nuciferain the invaded regions. Although biological control using parasitic wasps has successfully reduced population density and leaf damage levels, this pest and its natural enemies have not been efficiently producedin conventional methods using young leaves of C. nucifera. In the present study, we examined suitability of plants easily available in Thailand and Japan for mass rearing of this pest to develop effective mass rearing system of this pest. Mature, green leaves of the palms were also suitable for immature development and adult reproduction of this pest. Since mature leaves of C. nucifera are more abundant and less contaminated with fungus than the unopened leaf buds, mature leaves could be a promising plant diet for mass rearing of B. longissima. Ornamental palms such as Hyophorbe lagenicaulis and Washingtonia filifera were also suitable for immature development and reproduction of B. longissima. Away from palms, the cattail Typha spp. can sustain immature development and adult reproduction of B. longissima. In the area where C. nucifera is rare or not available, W. filifera or Typha spp. would be good food plants for mass rearing of this pest.
Effect of Biopsy Technique on the Survival Rate of Malignant Melanoma Patients
Yamashita, Yutaro,Hashimoto, Ichiro,Abe, Yoshiro,Seike, Takuya,Okawa, Katsumasa,Senzaki, Yuichi,Murao, Kazutoshi,Kubo, Yoshiaki,Nakanishi, Hideki Korean Society of Plastic and Reconstructive Surge 2014 Archives of Plastic Surgery Vol.41 No.2
Background Cutaneous malignant melanoma has a poor prognosis. The detrimental effect of incisional biopsies on the outcome of malignant melanoma has been debated. The aim of this study was to determine the effect of the presence and type of biopsy on the prognosis of malignant melanoma. Methods The medical records of 109 malignant melanoma patients treated at Tokushima University Hospital from 1983 to 2007 were reviewed. After excluding 28 cases with stage 0 disease or incomplete data, 81 cases were analyzed in detail with respect to patient sex, age, tumor site, clinical stage at diagnosis, presence of ulceration or lymph node metastasis, and prognosis. The five-year survival and five-year disease-free survival rates of patients who underwent incisional or excisional biopsies were compared with those who did not undergo a biopsy. Results The male-to-female ratio was 1:1.19. The mean age was 61.3 years (range, 19-93 years). The most common site was a lower extremity, and the most common clinical stage was stage II. No significant differences in clinicopathological features, five-year survival rates, and five-year disease-free survival rates were observed among the three groups. Conclusions The presence and type of biopsy neither affected the metastatic rate nor the prognosis of malignant melanoma. The use of incisional biopsies is not encouraged because tumor thickness cannot be measured accurately. However, they may be helpful for confirming the diagnosis if an excisional biopsy cannot be performed.