• Title/Summary/Keyword: fixed pattern

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A Study on the Demand Pattern Analysis of Fixed Mobile Convergence Telecommunication Service (유.무선 컨버전스 서비스 수요 Pattern에 관한 연구)

  • Bae, Khee-Su;Sawng, Yeong-Wha
    • Korean Management Science Review
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    • v.23 no.3
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    • pp.1-11
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    • 2006
  • This study investigates empirically on the business analysis of fixed mobile convergence telecommunication service. As for the stage of empirical analysis, the process was carried out in the order elaboration of a test model, selection of sample, empirical analysis and interpretation of result. We report our Preliminary results on the fixed mobile convergence telecommunication service demand pattern forecasting by Bass model. The results show that the fixed mobile convergence telecommunication service may sustain profitability over the next ten years in the market. In conclusion, the practical implication of the result attained by this study is that in order to create a fixed mobile convergence in the korean business world, practical tools such as WiBro service is no less important than fixed service and Mobile service, and that users may be rightfully encouraged to adopt WiBro service.

A Study on the Fixed- and Transformed-pattern of Saam Acupuncture Treatment (사암침법(舍巖鍼法)의 정형(定型)과 변형(變型)에 관(關)한 고찰(考察))

  • Lee, Bong-Hyo;Lee, Sang-Nam;Kim, Du-Jin;Kim, Jeong-Won;Lim, Seong-Chul;Jung, Tae-Young;Kim, Jae-Su;Lee, Yoon-Kyoung;Ko, Kyung-Mo;Lee, Kyung-Min
    • Journal of Acupuncture Research
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    • v.25 no.5
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    • pp.17-25
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    • 2008
  • Objectives : The authors performed this study to further understand Saam acupuncture treatment in an aspect of the use of two patterns i.e. fixed- and transformed-pattern. Methods : The authors did documentary survey based on Do Hae Kyo Kam Sa Am Do In Chim Beop. 1. We investigated the frequency of the use of fixed- and transformed-pattern as well as the examples of use. 2. We surveyed related literatures and classified transformed-pattern. We did study on the principles of prescriptions of fixed- and transformed-pattern and researched the utilization. Results and Conclusions : 1. Fixed-pattern occupys 35.3% and transformed-pattern takes much more part. 2. Fixed-pattern is based on Nangyoung 69nan, and has the prescription of two enhancement and two inhibition by adaptation of Sangsaengsanggeuk(相生相剋) into self meridian and other meridian, and suggests the importance of the order of needling. 3. There are main points and assistant points in tonifying and suppressing of Fixed-pattern, accordingly, it has a system like Gunshinjwasa(君臣佐使). 4. Transformed-pattern is classified into following 3 types: first, the use of Nangyoung 75nan; second, the substitution of Junghuyl(井穴) with Hyunghyul(滎穴) or Haphyul(合穴) according to Nangyoung 73nan; third, the substitution of the same Osuhyul(五輸穴) in other meridians.

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A Study on Image of Patterns [ 1 ] - With a focus on Development on Image Positioning of Patterns - (문양 이미지에 관한 연구[ 1 ] -문양 이미지 포지셔닝 기준 개발을 중심으로-)

  • Ryu, Hyun-Jung;Kim, Min-Ja
    • Journal of the Korean Society of Costume
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    • v.59 no.2
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    • pp.29-41
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    • 2009
  • Perception between real object and recognized subject of human on objective subject is not the same. The reason Is that individual perception of visual design components are transmitted as the image of whole. It is required process of visual perception. Therefore, I developed the vision of seeing image of pattern which is based on Gestalt visual perception theory in clothes. The summary of this study's results is like followings. Extremely antagonistic terms which are specialized by formative characteristics of formative components are clearness and blur of outline/ fixed shape and non-fixed shape/ visuality and tangibility of representation/ simplicity and complexity of structure/ invariability and variability of mobility/ symmetry and asymmetry of arrangements singularity and plurality of group number. The expression of motive shows that clearness, fixed shape, visuality and simplicity pursuit Determination image, and blur, non-fixed shape, tangibility and complexity pursuit Ambiguity image. The arrangements of motive shows that invariability, symmetry and singularity pursuit Order image, and variability asymmetry and plurality pursuit Disorder image. Therefore, the standard of the coordinator of Pattern image positioning is established as Determination and Ambiguity of motive are X-axis, and Order and Disorder of pattern are Y-axis. As the frame of Pattern image positioning, four separated dimensions have made.

Fixed Abrasive Pad with Self-conditioning in CMP Process (Self-conditioning 고정입자패드를 이용한 CMP)

  • Park, Boumyoung;Lee, Hyunseop;Park, Kihyun;Seo, Heondeok;Jeong, Haedo;Kim, Hoyoun;Kim, Hyoungjae
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.18 no.4
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    • pp.321-326
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    • 2005
  • Chemical mechanical polishing(CMP) process is essential technology to be applied to manufacturing the dielectric layer and metal line in semiconductor devices. It has been known that overpolishing in CMP depends on pattern selectivity as a function of density and pitch, and use of fixed abrasive pad(FAP) is one method which can improve the pattern selectivity. Thus, dishing & erosion defects can be reduced. This paper introduces the manufacturing technique of FAP using hydrophilic polymers with swelling characteristic in water and explains the self-conditioning phenomenon. When applied to tungsten blanket wafers, the FAP resulted in appropriate performance in point of uniformity, material selectivity and roughness. Especially, reduced dishing and erosion was observed in CMP of tungsten pattern wafer with the proposed FAP.

A study on the railway signal system for high density traffic (열차의 고밀도운전을 위한 신호보안 시스템에 관한 연구)

  • 강규현;김희식
    • 제어로봇시스템학회:학술대회논문집
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    • 1997.10a
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    • pp.163-166
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    • 1997
  • In order to shorten head-way time on existing railway lines without any change of signal block length between stations, it is a realistic optional way to change the control method of train signal, i.e. to modernize the cab signal using transponder. A new signalling system of operation pattern control technique is suggested as new model to increase the railway traffic efficiency. Through the computer simulation of this model, the train head-way time by the fixed signalling system and the new pattern control system is analyzed.

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File Modification Pattern Detection Mechanism Using File Similarity Information

  • Jung, Ho-Min;Ko, Yong-Woong
    • International journal of advanced smart convergence
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    • v.1 no.1
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    • pp.34-37
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    • 2012
  • In a storage system, the performance of data deduplication can be increased if we consider the file modification pattern. For example, if a file is modified at the end of file region then fixed-length chunking algorithm superior to variable-length chunking. Therefore, it is important to predict in which location of a file is modified between files. In this paper, the essential idea is to exploit an efficient file pattern checking scheme that can be used for data deduplication system. The file modification pattern can be used for elaborating data deduplication system for selecting deduplication algorithm. Experiment result shows that the proposed system can predict file modification region with high probability.

A Simulation of the Railway Signal System Using Pattern Control Technique to Upgrade the Railway Efficiency (선로효율 향상을 위한 열차 패턴제어방식의 신호보안시스템 시뮬레이션)

  • 강규현;김희식
    • Journal of the Korea Society for Simulation
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    • v.7 no.2
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    • pp.125-136
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    • 1998
  • To upgrade railway traffic density without any change of signal block length between stations on existing railway lines, a new signalling system of train control "the pattern control technique" is suggested. It needs very little change to computerize the cab signal using transponders. A computer simulation system is developed to experiment the new control method. The new signalling system shows much increase of the railway traffic efficiency. The train head-way time by the fixed signalling system and the new pattern control system is analyzed. The pattern control technique shows 35% increasement of trair operation under same condition of railway and trains.nd trains.

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Performance Analysis of Face Image Recognition System Using A R T Model and Multi-layer perceptron (ART와 다층 퍼셉트론을 이용한 얼굴인식 시스템의 성능분석)

  • 김영일;안민옥
    • Journal of the Korean Institute of Telematics and Electronics B
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    • v.30B no.2
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    • pp.69-77
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    • 1993
  • Automatic image recognition system is essential for a better man-to machine interaction. Because of the noise and deformation due to the sensor operation, it is not simple to build an image recognition system even for the fixed images. In this paper neural network which has been reported to be adequate for pattern recognition task is applied to the fixed and variational(rotation, size, position variation for the fixed image)recognition with a hope that the problems of conventional pattern recognition techniques are overcome. At fixed image recognition system. ART model is trained with face images obtained by camera. When recognizing an matching score. In the test when wigilance level 0.6 - 0.8 the system has achievel 100% correct face recognition rate. In the variational image recognition system, 65 invariant moment features sets are taken from thirteen persons. 39 data are taken to train multi-layer perceptron and other 26 data used for testing. The result shows 92.5% recognition rate.

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A Study on the Reduction of Dishing and Erosion Defects (텅스텐 CMP에서 디싱 및 에로젼 결함 감소에 관한 연구)

  • Jeong, Hae-Do;Park, Boum-Young;Kim, Ho-Youn;Kim, Hyoung-Jae
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2004.11a
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    • pp.140-143
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    • 2004
  • Chemical mechanical polishing(CMP) is essential technology to secure the depth of focus through the global planarization of wafer. But a variety of defects such as contamination, scratch, dishing, erosion and corrosion are occurred during CMP. Especially, dishing and erosion defects increase the resistance because they decrease the interconnect section area, and ultimately reduce the life time of the semiconductor. Due to this dishing and erosion must be prohibited. The pattern density and size in chip have a significant influence on dishing and erosion occurred over-polishing. Decreasing of abrasive concentration results in advanced pattern selectivity which can lead the uniform removal in chip and decrease of over-polishing. The fixed abrasive pad was applied and tested to reduce dishing and erosion in this paper. Consequently, reduced dishing and erosion was observed in CMP of tungsten pattern wafer with proposed fixed abrasive pad and chemicals.

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