• Proceedings of the Korean Nuclear Society Conference
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• 1999.05a
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• pp.82-82
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• 1999

• Proceedings of the SAREK Conference
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• 2004.06a
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• pp.191-191
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• 2004

• The Journal of Korean Institute of Communications and Information Sciences
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• v.29 no.8A
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• pp.898-908
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• 2004

In this paper, we propose a high speed preamble searcher feasible for RACH(Random Access Channel) preamble structure in WCDMA reverse link receiver. Unlike IS-95, WCDMA system uses AISMA(Acquisition Indication Sense Multiple Access) process. Because of the time limit between RACH preamble transmission and AI(Acquisition Indicators), and the restriction on the number of RACH signatures assigned to RACH preamble, fast acquisition indication is required for efficient operation. The preamble searcher proposed in this paper is based on 2-antenna system and has adopted FHT algorithm that has the radix-2 16 point FFT structure. The acquisition speed using FHT is 64 times faster than the conventional method that correlates each signature. Based on their fast aquisition scheme, we improved the acquisition performance by calculating the correlation up to the 4096 chips of the total preamble length. The performance is analyzed by using Neyman-pearson method. The proposed algorithm has been applied for the implementation of WCDMA reverse link receiver modem successfully.

• Journal of Advanced Navigation Technology
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• v.16 no.6
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• pp.960-967
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• 2012

Wireless sensor network is used at the environment to obtain nearby information and since such information is transferred through wireless link, it causes unnecessary re-sending and disadvantage of big energy consumption at node. Because of this to select reliable, energy effective link, method of estimating quality on wireless link using RSSI(received signal strength indication), LQI(link quality indication), etc is needed on wireless link. To set up path extending survival time by reducing energy consumption of nodes at the wireless sensor network, the thesis selects with small standard deviation of LQI after obtaining LQI within each path. Additionally, LQI standard deviation routing algorithm is compared based on LQI algorithm such as minimum-LQI, hop-LQI weight and RF output -7dBm. According to the outcome, the algorithm suggested has superior characters such as the number of node, retransmission rate and network life span respectively compared to existing algorithm. Therefore, energy consumption can be efficiently reduced in case that LQI standard deviation routing scheme suggested by this paper is adapted to wireless sensor network.

• Journal of the Korean Geographical Society
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• v.37 no.2
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• pp.131-142
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• 2002

The community and communal folk belief are developed as spatial phenomena. So the communal folk belief express the spatial perception of inhabitants in traditional village. This study analysis the spatial characteristics of communal folk belief in traditional village. The study area is Bangchon village which consists of seven hamlets in Changhung-gun, Chollanam-do. The reset are as follows. First, the seven hamlet\`s location process in Bangchon village has been developed with spatio-temporal variations since Korea dynasty. Second, the communal folk belief in study area can be classified as Ipsok, Byolsinje\`s site, Hojeby\`s site. Third, the spatial characteristics of communal folk belief in study area are indication of each hamlet\`s boundary, indication of entrance and exit of Bangchon visage, indication of central space of Bangchon village in traditional period. Consequently, the spatial distribution of communal for belief are important indicator about spatial structure and spatial perception in traditional village\`s society.

• Korean Journal of Human Ecology
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• v.3 no.1
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• pp.59-69
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• 1994

The purpose of this study was to examine the food labelling system and its regulations based on Food Hygine Law in Korea and to compare them with those of USA and JAPAN. This study was carried out to suggest desirable direction for improvement of food labelling system in Korea by reviewing literatures and regulations related to the subject of this study. The results are as follows: 1. The indication of shelf-life in Korean lavelling system appeared ineffective from the point of view of consumer protection and resource preservation compared with dual system of indicating shelf-life in USA and Japan. 2. The standard of labelling general food in Korea does not give sufficient nutritive information to the consumers, compared with that in USA and Japan. 3. Only five ingredients including additives are to be listed on the food label in Korea whereas all the ingredients and additives are in the USA and Japan. 4. The way of Listing food additives on food label is neither specifically required nor standardized in Korea and, food additives are classified into only 7 groups in Korea while 18 in the USA. Based on the above results of literature review, the followings are suggested to improve food labelling system in Korea. 1. Indication of shelf-life should have dual system, in which perishable food should not be permitted to be sold after its shelf-life while the processed food or dried food to be preserved for a long time should be indicated with more or less flexible term about shelf-life. 2. Standard of labelling general food should include calorie, fat, protein, and the content of major vitamins and minerals. 3. All ingredients and their contents, including food additives should be listed on the food labels. 4. The standard of indication of food additives in Korea should include the name, usage and content of all additives used in foods.

• Education of Primary School Mathematics
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• v.20 no.2
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• pp.163-175
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• 2017

The purpose of the study is to identify the effect of length and right angle indication on the understanding of the concept of the figure when presenting the task of classifying the plane figures. we recorded thirty three 4th grade students' performance with eye-tracking technologies and analyzed the correct answer rate and gaze duration. The findings from the study were as follows. First, correctness rate increased and Gaze duration decreased by marking length in isosceles triangle and equilateral triangle. Second, correctness rate increased and Gaze duration decreased by marking right angle in acute angle triangle and obtuse triangle. Based on these results, it is necessary to focus on measuring the understanding of the concept of the figure rather than measuring the students' ability to measure by expressing the length and angle when presenting the task of classifying the plane figures.

• Clinics in Shoulder and Elbow
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• v.15 no.1
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• pp.43-51
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• 2012

Purpose: We sought to determine the appropriate management modality for clavicle fracture through the review of current literature. Materials and Method: This article provides an overview of the knowledge regarding clavicular fracture in adults, including epidemiology, classification, surgical indication, current technique, and results. We also addressed recent debates: the range of the surgical indication for mid-clavicular fracture and the introduction of anatomically precontoured plate as a new treatment modality. Result and Conclusion: Nonsurgical treatment has been regarded as the first choice in the management of clavicle fractures. Quite recently, mounting evidence has shown that adverse outcomes, after a nonsurgical treatment, such as nonunion and malunion, were more prevalent than previously assumed. Accordingly, the indications for surgical fixation appear to be broadening. However, given that the ideal treatment option remains to be determined, the appropriate treatment of clavicle fractures should be tailored based on careful assessment of individual patient's data and preference.

• Journal of Korean Medical classics
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• v.28 no.1
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• pp.173-194
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• 2015

Objectives : It is told that Hyungbangsabaeksan is important to treat the Soyangin(少陽人) disease in Dongyisusebowon. Though Hyungbangsabaeksan is widely applied in Soyangin(少陽人) disease, it is difficult to understand the meaning of Hyungbangsabaeksan and also hard to use clinically. In this study, We tried to reveal the fundamental meaning of the Hyungbangsabaeksan and the indication of Hyungbangsabaeksan. Methods : We mainly studied diseases in Dongyisusebowon. The use of drug in Soyang disease(少陽病) is relatively difficult. So we firstly reviewed Mang-um disease(亡陰證) that is almost close to the Interior syndrome(裏病) and an Analogous Hak(似瘧) that is one of the interior syndrome. Based on the understanding of interior syndrome, We tried to understand Hyungbangsabaeksan in the usage of the drug in Soyang disease(少陽病). Results : We found the key point of indication of Hyungbangsabaeksan in Mang-um disease(亡陰證) of Exterior cold syndrome(表寒病) and an Analogous Hak of Interior syndrome. Also based on that, We identified characteristics of Soyang disease(少陽病). Therefore, we inferred that there are significant symptoms in Soyang disease(少陽病) that Hyungbangsabeaksan could be applied. Conclusions : Reviewing the usage of Hyungbangsabeaksan in Mang-um disease(亡陰證) and an Analogous Hak, we found that Interior syndrome is important in indication of Hyungbangsabeaksan. Also we found that Hyungbangsabeaksan is especially applied when irreversible transition of the disease can be predicted. Based on this, We concluded Hyungbangsabeaksan is preventively used in specific Soyang disease(少陽病), of which the machanism of the disease is similar.

• Journal of the Economic Geographical Society of Korea
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• v.18 no.4
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• pp.431-449
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• 2015

Motivated by the finding that place names are highly capable of acting as one of the most conspicuous brands in the economy, this study has explored the essential nature of the brand value of place names and has suggested possible methodology to evaluate this value. As the place name brand has multidimensional elements mirroring the attributes of place, its understanding should be framed in terms both of users of place names as a subject and of place as an object. In order to evaluate the brand value of place names, the possibility of adopting the concept of customer-based brand equity, which is centered on the perception and assessment of customers, has been reviewed and more detailed items of evaluation have been addressed. A few future research topics are suggested: the nature of brand value; its relevance to place identity; the influence of place marketing; the significance of exposing place names to the public; the effect of geographic indication on brand value; delineating the spatial boundary of geographic indication items.