• Title/Summary/Keyword: Comparative verification

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The Effect on Method of the Teaching & Learning Home Economics by the use of VTR on Making Korean Man’s Slacks (‘남자한복바지만들기’에 VTR을 활용한 가정과 교수.학습의 효과)

  • 이정희;윤인경
    • Journal of Korean Home Economics Education Association
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    • v.4 no.1
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    • pp.87-95
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    • 1992
  • The purpose of this study is to suggest how we can get over the difficulties of practical drill under experimentation concerning the units of making clothes in the curriculum of home economics. The import of this study was based on the results of the preceding studies the field of the making Korean clothes, from the standpoint of the teaching tools and teaching materials by the use of VTR, is one of the most insufficient. On the one hand, the teaching procedure here a VTR, running 34 minutes or so, was made up with the process of making Korean men’s slacks, and was led by the researcher’s own. The contents of the lesson are as follows: the shape of Korean clothes, the name of each part, the process of drawing, cutting and sewing, and the items of evaluation and arrangement. On the other hand, the two comparative groups were made to compare one with the other: One group was taught by help of VTR media, and the other by the model performance and explanation of the instructor’s own. All of the statistical data were analyzed in terms of SPSS/PC, and t-verification was made, to make difference between the two, after standard deviation was calculated according to the classified domains. The consequences of the test research are shown as below: 1. The difference of understanding was obviously made in considering that the group made a better score than the comparative one in understanding to process of making Korean clothes. 2. The difference of skill was highly made in considering that the group made a better score than the comparative one in the practical drill of making Korean clothes. 3. The difference of interests was evidentally made in considering that the group made a better score than the comparative one in the stage of making Koran clothes. Such means that the motivation and attitude of the learners was made stimulate by the Audio-Visual material than by the traditional cramming method. 4. The difference of frequency was fairly made in considering that the experimeatal group made a better score than the comparative one in the frequency of individual teaching. 5. The difference of the efficiency of time-consumption was clearly made in considering that the experimental group made a better score than the comparative one. As the results of the research above, the medium of VTR proved to more effective to the achievement of schoolwork and the strategies of teaching. Therefore, more use of VTR media will help the instructors with the difficulties of practical drill in the whole process of making Korean clothes; Widely use of VTR media in teaching will be surely more fruitfull to the unit of making Korean clothes than teaching by explanation.

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A Comparative Study on Advertising Appeal of Korean and Japanese Newspaper Advertisement Contents (한국과 일본 신문광고 콘텐츠의 광고소구 비교연구)

  • Yun, Hee-Ill
    • The Journal of the Korea Contents Association
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    • v.9 no.8
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    • pp.219-230
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    • 2009
  • This study focuses on advertising appeal of newspaper advertisement in Korea and Japan differs from each other in detail. Comparative analysis in this study on newspaper advertisements between Korea and Japan has been conducted based on an assumption that advertisement is a reflection of culture. For verification, this study employs a contents analysis method to compare and analyse Korean and Japanese Newspaper advertisements. This study analysed a total of 411 advertisements (209 and 202 from Korean and Japanese respectively) placed in nation-widely circulated newspapers. The study results demonstrate that there are meaningful statistical differences in advertising appeal of Korean and Japanese newspaper advertisements. These differences could be interpreted as products of cultural differences between Korea and Japan. It is required to continue follow-up researches on various areas including creative strategy and medium of advertisement in Korea and Japan.

A Proposal of Eye-Voice Method based on the Comparative Analysis of Malfunctions on Pointer Click in Gaze Interface for the Upper Limb Disabled (상지장애인을 위한 시선 인터페이스에서 포인터 실행 방법의 오작동 비교 분석을 통한 Eye-Voice 방식의 제안)

  • Park, Joo Hyun;Park, Mi Hyun;Lim, Soon-Bum
    • Journal of Korea Multimedia Society
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    • v.23 no.4
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    • pp.566-573
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    • 2020
  • Computers are the most common tool when using the Internet and utilizing a mouse to select and execute objects. Eye tracking technology is welcomed as an alternative technology to help control computers for users who cannot use their hands due to their disabilities. However, the pointer execution method of the existing eye tracking technique causes many malfunctions. Therefore, in this paper, we developed a gaze tracking interface that combines voice commands to solve the malfunction problem when the upper limb disabled uses the existing gaze tracking technology to execute computer menus and objects. Usability verification was conducted through comparative experiments regarding the improvements of the malfunction. The upper limb disabled who are hand-impaired use eye tracking technology to move the pointer and utilize the voice commands, such as, "okay" while browsing the computer screen for instant clicks. As a result of the comparative experiments on the reduction of the malfunction of pointer execution with the existing gaze interfaces, we verified that our system, Eye-Voice, reduced the malfunction rate of pointer execution and is effective for the upper limb disabled to use.

Comparative Evaluation of Determination Methods of Vertical Eddy Viscosity for Computation of Wind-Induced Flows (풍성류 계산을 위한 연직 와점성계수 산정방법의 비교평가)

  • 정태성;이길성;오병철
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.6 no.3
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    • pp.205-215
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    • 1994
  • A 3-dimensional numerical model of wind-induced flows has been established. and comparative evaluation of determination methods of vertical eddy viscosity has been performed. The model uses turbulence models to calculate vertical eddy viscosity. The examined methods arp 0-equation model of functional form, 1-equation model of turbulence kinetic energy, and two 2-equation models ($textsc{k}$-$\varepsilon$ and $textsc{k}$-ι models). The evaluation includes the verification tests against experimental data for wind-driven current On a closed one-dimensional channel and a recirculating one-dimensional channel. Comparative study of turbulence models has shown that the proper distribution of turbulence scale is parabolic and the eddy viscosity is depending strongly on mixing depth due to wind.

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A Study on the Necessity of Verification and Certification System of Inspection and Diagnostic Equipment for Infrastructure using Advanced Technologies (첨단 시설물 점검 및 진단장비 검·인증제도 도입 필요성에 대한 연구)

  • Hong, Sung-Ho;Kim, Jung-Gon;Cho, Jae-Young;Kim, Twae-Hwan
    • Journal of the Society of Disaster Information
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    • v.16 no.1
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    • pp.163-177
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    • 2020
  • Purpose: While it is very important to maintain facilities recently, the introduction and its application of high technology in the facility maintenance industry has increased. It is necessary for high technology to secure reliability through the verification and certification system of diagnostic equipment to have an effective impact in the field, but there is difference between the industry's perspective and realistic level of technology apart from social demand for the system of the system. This paper dealt with the introduction of a verification and certification system for rational facility diagnostic equipment with the opinion survey on managers about the current situation. Method: Survey is carried out targeting managers in the maintenance and construction regarding the necessity and urgency of introducing a verification and certification system to promote the introduction and its application of high technology of diagnostic equipment and facility inspection. Also, the introduction to a verification and certification system was reviewed for advanced facility diagnostic equipment through foreign research about similar systems and comparative analysis of similar systems related to the certification of 21 domestic equipment. Result: It showed that, regarding the application of high technology, it is necessary for most managers to introduce high technology such as drones, robots, etc., in the maintenance industry, and when high technology is introduced, it will have a considerable effect in the field. On the other hand, the current technology level in Korea is relatively low, so it turned out to take a certain amount of time for the application of technology. Also, it was found that the management of reliable facility diagnostic equipment will be possible through the introduction of the verification and certification system for facility diagnosis equipment. Meanwhile, the survey is conducted on similar systems about foreign and domestic diagnosis and measuring equipment, etc., but there is no system to verify and certify equipment applied with high technology directly to facility diagnosis maintenance. However, because Japan has a system of verifying the performance of diagnostic equipment and South Korea has 21 similar inspection and diagnostic equipment certification systems among 186 certification systems, it is considered to be possible to design systems which utilize them. Conclusion: According to the managers' opinion, it seems that the introduction of the system supporting the application of 4th industrial technology for the equipment and the use of the equipment with high reliability has sufficient validity. However, because our high technology level is undervalued compared to the urgency, the system for checking high technology facilities and certifying diagnostic equipment should be to be implemented in form of escalation considering technical use and verification level. Apart from the introduction of the verification and certification system, it is necessary for special investment, support and efforts to promote advanced facility diagnostic equipment.

A Comparative Study on the Laws Related Electronic Commerce (전자상거래 관련법 비교연구)

  • Park, Bok-Jae
    • International Commerce and Information Review
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    • v.1 no.2
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    • pp.205-228
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    • 1999
  • Intercompany online businesses can offer digital information to each company, and yet without legal verification business activities are less efficient. Just one single country cannot control this problem with its own EC law and now international cooperations are being required. Currently, International Regularization is the main agenda among the international organizations such as UNCITRAL, OECD and WTO and so on. Furthermore, most of the advanced nations, including the USA and EU, announce their fundamental strategies for the multilateral regularization in their favor. At the present stage, South Korea's Electronic Commerce law and Digital Signature law went into effect as from July 1, 1999, indicating that they can strike the keynote of the systematic infrastructure for the electronic commerce transactions in this country.

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Equivalent linearization of a Friction Damper and Brace System (마찰감쇠기-가새 시스템의 등가선형화 기법에 관한 연구)

  • Min, Kyung-Won;Park, Ji-Hun;Kim, Dae-Hyun;Kim, Hyung-Seop;Moon, Byoung-Wook;Kang, Sang-Hoon
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2005.05a
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    • pp.750-753
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    • 2005
  • An equivalent linearization technique based on Rayleigh peak distribution for friction damper and brace system (FDBS) under stochastic excitation is proposed. For verification, shaking table test of a small scale 3-story building model with the FDBS is conducted for various slip moment levels. Using experimental result, equivalent linearization of the FDBS is conducted based on Rayleigh peak distribution, which is compared with measured peak distribution. For comparative study, model updating technique is applied based on identified modal properties. Finally, complex modal analysis and time history analysis for the obtained equivalent linear systems are conducted and compared with experimental result

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Equivalent linearization of friction damper and brace system based on peak distribution (응답의 피크분포에 기초한 마찰감쇠기의 등가선형화)

  • Park, Ji-Hun;Min, Kyung-Won;Moon, Byoung-Wook
    • Proceedings of the Earthquake Engineering Society of Korea Conference
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    • 2005.03a
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    • pp.437-444
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    • 2005
  • An equivalent linearization technique based on Rayleigh peak distribution for friction damper and brace system (FDBS) under stochastic excitation is proposed. For verification, shaking table test of a small scale 3-story building model with the FDBS is conducted for various slip moment levels. Using experimental result, equivalent linearization of the FDBS is conducted based on Rayleigh peak distribution, which is compared with measured peak distribution. For comparative study, model updating technique is applied based on identified modal properties. Finally, complex modal analysis and time history analysis for the obtained equivalent linear systems are conducted and compared with experimental result.

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An Interphalangeal Coordination-based Joint Motion Planning for Humanoid Fingers: Experimental Verification

  • Kim, Byoung-Ho
    • International Journal of Control, Automation, and Systems
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    • v.6 no.2
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    • pp.234-242
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    • 2008
  • The purpose of this paper is to verify the practical effectiveness of an interphalangeal coordination-based joint motion planning method for humanoid finger operations. For the purpose, several experiments have been performed and comparative experimental results are shown. Through the experimental works, it is confirmed that according to the employed joint motion planning method, the joint configurations for a finger's trajectory can be planned stably or not, and consequently the actual joint torque command for controlling the finger can be made moderately or not. Finally, this paper analyzes that the interphalangeal coordination-based joint motion planning method is practically useful for implementing a stable finger manipulation. It is remarkably noted that the torque pattern by the method is well-balanced. Therefore, it is expected that the control performance of humanoid or prosthetic fingers can be enhanced by the method.

A Comparative Analysis of Displacement Measurement of the Earth Surface by Load for Root Anchor Block and Rectangle Anchor Block (기초근가와 기존근가의 하중에 따른 변위 비교분석)

  • Mun, Sung-Won;Kim, Jeom-Sik;Kim, Do-Young;Park, Yong-Beom
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.62 no.6
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    • pp.863-869
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    • 2013
  • In this paper, we compared and analyzed for safety 1.2m rectangular anchor block and arch-type root anchor block. First, numerical analysis was performed three-dimensional nonlinear method by numerical model test using finite element analysis program "Visual FEA". Then, measure displacement of the surface of the earth after construct each anchor block at 14M electric pole and increase loads through field verification tests for safety evaluation.