• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.13 no.6
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• pp.64-76
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• 2014

This study identified the causes of errors that could take place in the estimation process of vehicle miles traveled and quantified the effects of each of those causes on the estimation accuracy of vehicle miles traveled via error rate to propose an efficient way to estimate vehicle miles traveled. The study proceeded as follows: first, the study established survey data of vehicle miles traveled in the pilot test areas to test the accuracy of a method to estimate vehicle miles traveled. Second, the causes of errors with the estimation of vehicle miles traveled were categorized into errors with the sample size, sampling methods, and homogeneous link setting methods. In addition, many different methodologies were set to minimize errors with the estimation of vehicle miles traveled according to each of the causes. Third, error rates of estimation of vehicle miles traveled were compared and analyzed according to each of the methodologies. Finally, a toy network was established to propose a way of estimating vehicle miles traveled by taking the local characteristics into consideration. The study finds its significance in that it proposed an efficient way to estimate vehicle miles traveled through an experiment and planning approach and made use of survey data of vehicle miles traveled to test estimation accuracy. The proposed way of estimating vehicle miles traveled by taking into account the local characteristics will make a contribution to the estimation of vehicle miles traveled by the areas in future along with the level of data offered in the study.

• Journal of Global Scholars of Marketing Science
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• v.14
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• pp.81-100
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• 2004

The purpose of this study was to test consistent relations between business strategy and marketing strategy of product level and to identify association Miles and Snow's strategic typology and Porter's generic strategy. The data were collected by personal interview with top management and marketing managers who worked at strategic business units in industrial and consumer product industry. The result showed that Porter's generic strategy significantly related with strategic marketing activities of product level. Miles and Snow's typology related with innovative marketing and environment management of the product market. But different patterns of strategic activities were not found among strategy types of Miles and Snow. Significant association between Miles and Snow's strategic typology and Porter's generic strategy implicates a possibility of integrated approach of two strategic typologies.

• Proceedings of the KAIS Fall Conference
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• 2011.05b
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• pp.687-689
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• 2011

본 논문에서는 Jazz의 역사에 큰 영향력을 준 Miles Davis의 작품 중에서 Nardis의 화성을 분석하였다. Phrygian Mode의 활용과 E Minor Key의 Tonality와 C Major Key의 Tonality가 함께 나타나고 있다. 멜로디 부분에서도 이와 같은 현상이 나타나고 있다.

• Proceedings of the KAIS Fall Conference
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• 2009.12a
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• pp.414-417
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• 2009

재즈의 역사가 이제 100년이 조금 넘은 상태에서 많은 재즈 뮤지션 중 Miles Davis라는 한 인물이 걸어 왔던 음악적 발자취를 재확인하며 Cool Jazz와 Free Jazz등 현대 음악에 많은 영향을 미치고 있는 당시 흐름과 그 안에서 Miles Davis의 위치를 재검토한 결과 기존의 일반적인 사실과 다른 해석이 가능함을 발견하고 그의 음악적 위치를 재즈의 큰 흐름 안에서 재조정하게 되었다. 당시 음악으로서는 획기적일 수밖에 없을 '모드 방식'의 접근과 재즈음악에서 전환점이 있을 때마다 그 중심축으로서의 Miles Davis를 발견하게 되는데 사실상 현대 재즈에까지 연결되는 그의 음악적 성과는 엄청나다고 할 수 있다. 이 연구를 토대로 재즈 역사상 가장 영향력을 가지고 있는 Miles Davis를 다시 돌아 볼 수 있는 기반을 제시 하고자 한다.

• Journal of Korean Society for Atmospheric Environment
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• v.28 no.6
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• pp.706-713
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• 2012

Global warming caused by greenhouse gases is threatening our ecosystem. Moreover, our food system is in severe danger. Recently the local food system is emerging as an alternative food network, decreasing food miles and carbon dioxide emissions, protecting the safety of our foods, and helping local economy. However, carbon labelling for agricultural products has not been introduced yet in Korea. Accordingly, research on food miles and carbon labelling for agricultural products should be urgently conducted. The study compared the food miles and the carbon dioxide emission of major agricultural products. In addition, the food mileages of garlic and carrot are compared between Korea and China. The results show that radish has the highest carbon dioxide emission, and followed by onion and cabbage. These products are produced from Jeju island and have a high Shipment volume. Although Chinese Garlic and radish have lower shipping volume and food miles than Koreans, they have higher carbon dioxide emissions due to ship transportation. Based on these results some valuable implications can be identified. Current food distribution system, which heavily focuses on the Metropolitan area, should be changed into a local system, in which foods are consumed in the local area first then transported to other area.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.22 no.4
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• pp.353-359
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• 2021

The Army is constructing a training system using Miles equipment that applies the latest science and technology to carry out military training. The Miles training system is a system that uses Miles equipment to simulate the damage situation of combat personnel and equipment in the same way as an actual battlefield by conducting practiced maneuvers in the field. Through this, the training force can experience conditions similar to an actual battle. In particular, the training effects of the warriors participating in the training can be maximized by establishing an integrated system that utilizes cutting-edge science technologies, such as information communication and computer simulation. This study analyzed the effects of Miles training in the army using scientific techniques targeted at the mid-range Miles. In particular, the effect index for analyzing the training effect was derived from a literature survey and expert opinions. The weight of each effect index was calculated by applying the Swing method. The final training effect was calculated by combining the results of the survey from train-experienced people. The Miles training effect was 2.6 times more effective than previous training without using Miles, and the satisfaction rate with Miles training according to status was high through variance analysis, and the difference was statistically significant.

• Journal of Korean Society for Atmospheric Environment
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• v.26 no.1
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• pp.57-68
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• 2010

Increase in greenhouse gas emissions during the last century has led to remarkable changes in our environment and climate system. Many policy measures have been developed to reduce greenhouse gas emissions across the world, many of which require our lifestyle changes from energy-intensive to energy-saving. One of the changes in our living patterns is to consider food miles. A food mile is the distance food travels from where it is produced to where it is consumed. Providing information of food miles will help people choose low mileage food, helping promote a "green consumption" action and lead to a low carbon society with emission reduction systems. In this study, 10 items are selected from 23 Harmonized commodity description and 2-digit coding system (HS) to estimate their food miles, and $CO_2$ emissions released in the transportation of imported food. For the estimation, four countries are chosen-Korea, Japan, United Kingdom (UK) and France, with Korea and Japan's 2001, 2003, and 2007 trade statistics and UK and France's 2003 and 2007 trade statistics used. As a result, Korea showed in 2007 the highest level of food miles and $CO_2$ emissions per capita among 4 countries. That suggests that Korea should make an effort to purchase local food to reduce food miles and use low-carbon vehicles for food transport, contributing to reducing greenhouse gas emissions.

• Journal of the Korean Society of Fisheries and Ocean Technology
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• v.20 no.2
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• pp.112-121
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• 1984

This paper is compared the simulation tables by the general propagation velocity and the calculated propagation velocities with distances and times to take to be transmitted Loran C wave from master station to slave stations, with Loran C tables, and compared the accuracy of position fixes by the simulation to them by Loran C table with the time differences of 9970 chain to be measured in the south coast of Korea, and by the simulation with the time differences of 5970 chain to be measured at definite position to them. The results obtained are as follows; 1. the simulation tables by the calculated propagation velocities is nearer to Loran C tables than it by the general propagation velocity. 2. The ranges of total errors of the simulation positions by the general propagation velocity and the calculated propagation velocities to the position fixies of Loran C table with the time differences of 9970 chain to be measured in the south coast of Korea are 0.2-0.7 miles, 0.01-0.1 miles, and the mean values of them are 0.46 miles and standard deviations of time are 0.1 miles, 0.03 miles respectively. 3. Mean value of total errors of the simulation position by the calculated propagation velocities to the definite position with the time difference of 5970 chain is 0.2miles and is reduced 0.1-0.2 miles than it by the general propagation velocity.

• Journal of the Korean Society of Fisheries and Ocean Technology
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• v.17 no.1
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• pp.19-28
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• 1981

Accuracy of the position fix obtained by navigation with Omega in the capacity of worldwide navigation depends on the predicted propagation correction. The authors observe continuously the phase differences of the A-C pair and the A-E pair from April 17 to October 14, 1980, at Busan(35\ulcorner07'. 9N, 129\ulcorner06'. 3E), and analyze the characteristic of daily variation the relation between the theoretical PPC and the measu red PPC to study the accuracy of the position fix. The results are as follows: 1. The results of fourier's analysis for the theoretical PPC and the measured PPC are positive correlation in the coefficients ao, a2, a3 with A-C pair and in the coefficients aO-a3 with A-E pair, and those PPC are apparent to daily periodicity during all measured time. The initial phase is around to 280\ulcorner with A-C pair and 1800 with A-E pair. 2. Daily variatons of the phase difference tend to decrease and the time width to narrow from April toward July, but these variations are opposed to those from July toward October. 3. Mean value of total errors of the position fix by theoretical PPC is 2.67 miles and its standard deviationis O.90miles. 4. Mean value of total errors of the position fix by the measured PPC is 0.63 miles and its standard deviation is 0.217 miles.

• Journal of the Institute of Electronics Engineers of Korea SD
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• v.49 no.7
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• pp.10-16
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• 2012

In this paper, we tried to realize a next generation MILES detection system which is robust to optical noise using a narrow band interference optical filter. Applying a narrow band interference optical filter which has the wavelength range of 895~915nm to the LASER wavelength of 900nm, we could obtain detection characteristics robust to strong optical noise which can be occurred in street battles. However, the MILES detection system has the blind range of detection in the incident angle range of $30^{\circ}{\sim}90^{\circ}$. To solve this problem we proposed a method of incident angle scatter using refractors. Applying a concave meniscus lens refractor which has diopter of 5.4 to the MILES detection system, we could eliminate the blind angle of detection.