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음성 처리용 Oversampling A/D 변환기 설계
송재호 圓光大學校大學院 1996 論文集 Vol.17 No.-
This thesis is designed A/D converter that processes speech bandwidth of adapting from CCITT standard in trans-receiving stage of digital communication system. As Nyquist-rate A/D modulator method is implemented by one-chip this method generates problems such as actual area, capacitor loading, power consumption, complexity of AAF(Anti-Aliasing Filter) block and so on. Thus A/D converter is designed of using oversampling method that subjugates this problems to become more effective, able to obtain uniformed 8 bit output of oversampling to 200[KHz] analog input that is limmitted below 100[KHz] throughout AAF block.
Lintel Beam(중방)의 강성이 전단벽에 미치는 영향
황학주,변근주,송재호 연세대학교 산업기술연구소 1980 논문집 Vol.12 No.2
Shear wall plays an important role in securing lateral stability for a structure that is influenced by lateral forces. It is considered that the theoretical equations which have been used in the stress analysis of shear wall involve so many assumptions and much complexity an exact solution is very hard to be obtained. Stresses of shear walls are obtained by making a series of photo-elastic experiment on 10 different shear wall models and compared with the theoretical ones based on the concept of coupled shear wall, and the effect of stiffness on the behavior of shear wall is studied on both wall elements and lintel beams. As a result, it is found that the experimental values are almost the same as the theoretical ones on lintel beams, so it is justifiable to use the theoretical equations in lintel beams. However there exists such a large discrepancy between the experimental values and the theoretical equations to the analysis of stresses on wall elements . And also it is found that the stiffness of lintel beams has little effect on the behavior of shear wall, while those of wall elements have great effect on the behavior of both wall elements and lintel beams.
마케팅 대응을 위한 관광상품 수요 - 공급흐름 분석(1)
송재호 한국관광산업학회 1994 Tourism Research Vol.8 No.1
Tourism Marketing can be said to be the business activity responding to the tourist market flow, especially tourist' needs and wants. Tourist market is the functional place in which. tourism demand and supply meet together, and therefore in order to set up tourism marketing strategies it is essential to clearly understand the demand of the tourist and the supply of tourism product. Tourist motivation, needs/wants, and tourist decision-making process belong to the flow of demand side, and the nature and structure of tourism product, tourism production process, and distribution channels to the flow of supply side. All these are conceptually analyzed in this article, upon the basis of which the basic ideas tourism marketers should hold are emphasized. The contents of this study are as follows; Ⅰ. The objectives of the study Ⅱ. The concept of tourism product Ⅲ. The analysis of tourism demand flow Ⅳ. The analysis of tourism supply flow Ⅴ. Summary and discussion
관광지 개발정책의 방향과 전략 : 제주도의 사례를 중심으로 Jeju Island Case
송재호,허향진 한국관광정책학회 2002 觀光政策學硏究 Vol.8 No.1
This study is processed in the context that it is necessary for the today's institutional ways of the Tourist Destination Development(TDD) to be examined and revised. To achieve this purpose are roughly reviewed the recent theories related to TDD and comprehensively surveyed the on-spot problems originated from the real TDD in Jeju Island. The new methodology for the promotion of the real TDD applicable to Jeju Island case are suggested founded upon the above works as follows : · the establishment of the Environment Management System using GIS for the guarantee of the sustainable tourism, · the legalization of the TDD zoning for the previous exclusion of inter-destination competitions, · the introduction of the demand-oriented TDD mechanism for the consideration of residents, tourists, and developers, · the administrative and financial support of TDD projects.
장일영,최광진,송재호 金烏工科大學校 1993 論文集 Vol.14 No.-
This paper is an experimental study on shear capacity of the high strength R/C beams with a shear span-depth ratio between 1.5 and 2.5 A total of 15 beams was tested to determine diagonal cracking and ultimate shear strength. The major variable are shear span-depth ratio(a/d=1.5, 2.0, 2.5), vertical shear reinforcement ratio?? and concrete compressive strength??. Test results indicate that ACI 318-89 Eq(11-31) generally underestimates shear strength carried by vertical shear reinforcements, and the mode of failure may change from shear tension to shear compression for the beams having higher Vs than 75%, thus the effectiveness of r fy on ultimate shear strength(Vu) decreased.
송재호,김민욱,김일수,오진우 한국구조물진단유지관리공학회 2011 한국구조물진단유지관리공학회 논문집 Vol.15 No.2
강상자형사교의 경우 국내의 도로교 설계기준이 갖추어지지 않아, 미국의 AASHTO 및 AASHTO LRFD 설계기준을 적용할 경우에는 실제의 거동과 다른 하중분배계수를 산출하게 되어 과대설계 및 과소설계를 초래할 가능성을 가지고 있다. 본 연구의 목적은 실제 거동을 바탕으로 한 강상자형 사교의 둔각부 지점에서의 전단력 산정을 위한 하중분배계수식을 제시하는 데 있다. 이를 위하여 본 연구에서는 강상자형 사교의 다양한 구조모델들에 대해 유한요소해석을 수행하고, 각 매개변수들이 강상자형사교의 하중분배계수에 미치는 영향을 분석한 후, 다중회귀분석을 수행하여 강상자형사교의 전단력 산정을 위한 하중분배계수식을 제시한다. For Korean design provisions are not equipped for skewed steel box girder bridges, when American provisions are adopted, load distribution factors different from real behavior are determinated. Furthermore the possibility of over or under estimated bridge design involves. The aim of this study is to provide more rational load distribution factor formulas based on real behavior for shear at obtuse corner of skewed steel box girder bridges. In order to accomplish the aim finite element analysis for a variety of skewed steel box girder bridge structural models is carried out, and each parameters degree of influence on wheel load distribution factors of skewed steel box girder bridges are analyzed. Then multiple regression analysis is fulfilled in order to propose formulas for determinating shear force load distribution factor of skewed steel box girder bridges.