• Title/Summary/Keyword: Sense of value

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A Nonlinear Theory for the Brusselator Near the Critical Point Caused by Diffusion

  • Han, Keun-Ok;Lee, Dong-J.;Lee, Jong-Myung;Shin, Kook-Joe;Ko, Seuk-Beum
    • Bulletin of the Korean Chemical Society
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    • v.7 no.3
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    • pp.224-228
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    • 1986
  • A nonlinear theory is presented for the fluctuations of intermediates in the Brusselator near the critical point caused by diffusion. The method used is the two time scaling method different from the conventional method in the sense that a slight nonlinear effect is included in the initial time region where the linear approximation is conventionally valid. The result obtained by the nonlinear theory shows that fluctuations close to the critical point approach the value of a stable steady state or deviate infinitely from an unstable steady state, as time goes to infinity, while the linear theory gives approximately time-independent fluctuations. A brief discussion is given for the correlation at a time between fluctuating intermediates when the system approaches a stable steady state.

The Esthetic Characteristics in Chanel's Haute Couture Design (샤넬 오뜨 꾸뛰르 디자인의 미적 특성)

  • Kim, Sun-Young
    • The Research Journal of the Costume Culture
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    • v.14 no.5
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    • pp.755-765
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    • 2006
  • This study is on the esthetic characteristics in the haute couture work of Chanel. It first reviews the lives and the fashion philosophy of Chanel, a senior designer and Lagerfeld as representatives of the maison, from the haute couture collection since 2000. The results of the study are the following. First, reinterpreting the tradition, Chanel reproduced historical dress items or silhouette with modern sense, or she created a new modern Chanel image through her original restructuring and dismantling. Second, Chanel expressed balanced beauty of compounded eclecticism by accord between simplicity and ornamentation, which meant her design showed impartial beauty with simple silhouette, decoration with colors, accessories, and ornaments. Third, Chanel did not divide the value between men and women, and instead expressed androgyny through dismantling each gender's characteristics by borrowing or mixing. As a result, she emphasized the female image or created a new style through expressing symbolic image embracing masculinity.

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Investigation and Empirical Validation of Industry Uncertainty Risk Factors Impacting on Bankruptcy Risk of the Firm (기업부도위험에 영향을 미치는 산업 불확실성 위험요인의 탐색과 실증 분석)

  • Han, Hyun-Soo;Park, Keun-Young
    • Korean Management Science Review
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    • v.33 no.3
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    • pp.105-117
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    • 2016
  • In this paper, we present empirical testing result to examine the validity of inbound supply and outbound demand risk factors in the sense of early predicting the firm's bankruptcy risk level. The risk factors are drawn from industry uncertainty attributes categorized as uncertainties of input market (inbound supply), and product market (outbound demand). On the basis of input-output table, industry level inbound and outbound sectors are identified to formalize supply chain structures, relevant inbound and outbound uncertainty attributes and corresponding risk factors. Subsequently, publicly available macro-economic indicators are used to appropriately quantify these risk factors. Total 68 industry level bankruptcy risk forecasting results are presented with the average R-square scores of between 53.4% and 37.1% with varying time lag. The findings offers useful insights to incorporate supply chain risk to the body of firm's bankruptcy risk level prediction literature.

A study on die method of organic light emission diod's current accelerated life test (유기발광 다이오드의 전류 가속 수명 평가법에 대한 연구)

  • Jung, Kyung-Hee;Cho, Jai-Rip
    • Proceedings of the Korean Society for Quality Management Conference
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    • 2009.10a
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    • pp.234-240
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    • 2009
  • The growing mobile products market is expected energy efficiency. So product design is more important focusing on reducing power consumption than improving technology of color sense. A Organic light emission diode is in limelight of the best display to satisfy market expectation. A Organic light emission diode is achieved low power consumption, pixel response which was fast for its time, high contrast of brightness and wide color reproduction raio. Therefore there is a fierce competition for the organic light emission diode development between a country and another country over business. The technical value's life is short because of a fierce development competition, and there is little probability that technical success become business success. In this study, the purpose is reduce the time for life test by accelerated current and it can do production possible design by accelerated life model in design phase.

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A Technique for Alignment to True North Based on Camera in Meteorological Installation (풍황 계측 타워 설치시 카메라를 사용한 진북 맞추기 기법)

  • Yoo Neung Soo;Nam Yoo Su;Lee Jeong Wan
    • Journal of Institute of Control, Robotics and Systems
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    • v.11 no.2
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    • pp.122-126
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    • 2005
  • A technique for alignment to true north is presented based on synchronized measurements of vision image by a camera and output voltage of wind direction sensor. The true wind direction is evaluated by means of image processing techniques with least square sense, and then evaluated true value is compared with measured output voltage of the sensor. The uncertainty analysis about the component error for the proposed method in practical situation is performed. The proposed technique is applied to real meteorological tower (wind measuring tower) at the Daekwanryung test site. In addition, some uncertainty analysis of this method is presented.

RAY CLASS INVARIANTS IN TERMS OF EXTENDED FORM CLASS GROUPS

  • Yoon, Dong Sung
    • East Asian mathematical journal
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    • v.37 no.1
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    • pp.87-95
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    • 2021
  • Let K be an imaginary quadratic field with ��K its ring of integers. For a positive integer N, let K(N) be the ray class field of K modulo N��K, and let ��N be the field of meromorphic modular functions of level N whose Fourier coefficients lie in the Nth cyclotomic field. For each h ∈ ��N, we construct a ray class invariant as its special value in terms of the extended form class group, and show that the invariant satisfies the natural transformation formula via the Artin map in the sense of Siegel and Stark. Finally, we establish an isomorphism between the extended form class group and Gal(K(N)/K) without any restriction on K.

여화(余華) 소설 속 '아버지 상'의 변화와 의미 고찰

  • Sin, Ui-Yeon
    • 중국학논총
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    • no.67
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    • pp.81-100
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    • 2020
  • Yu-hua's disharmony with his personal and inner 'father' in his first-half novel expanded to expose the absence of the role of the social and national 'father' in the latter half. Yu-hua's novels revealed his personal sense of resistance through the absence of his father, and then expanded the negative "father image" in this family to the state and society to shed light on the absence and irresponsibility of the "father" in Chinese society and the state. I think that reading Yu-hua's novels in this way in the future will make it easier to understand the theme of these novels, and also to recognize the time value of these novels.

Relationship between Organizational Culture and Job Characteristic and Job Continuance among Private Security Guards (민간경비원의 조직문화와 직무특성 및 직무지속의지의 관계)

  • Lee, Jong-Hwan
    • The Journal of the Korea Contents Association
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    • v.14 no.1
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    • pp.444-454
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    • 2014
  • The purpose of this study is compares organizational culture and job characteristic and job continuance will of private security searches its investigate relation. This study had selected private security company members from Seoul of 2011 for population. Using purposive sampling method, 280 samples were drawn and were used for the final analysis. Using SPSS WIN 18.0, frequency analysis, factor analysis, reliability analysis, multiple regression analysis were performed. Cronbach's ${\alpha}$ value which shows the reliability of the survey came out to be over .665. The conclusion is following : First, organizational culture of private security service affects in job characteristic. As a work period is long, the job importance and feedback appear high. As development mutual agreement culture is formed, the job importance, autonomy is high. As reasonable culture is formed, the job importance, autonomy, feedback are high. As a hierarchical culture is formed, the job importance, feedback rises, and on the other hand, autonomy decreases. Second, organization culture affects in job continuance will to private security guard. Job expectation is high in man group. As age is high, crisis sense decreases. As attainments in scholarship is high, job satisfaction, shrinkage, alternative expectation increase. As there are much monthly income, job satisfaction, shrinkage, job expectation, alternative expectation, crisis sense become increase. As development mutual agreement culture is formed, job satisfaction, malicious insincerity, job expectation, alternative expectation, crisis sense are high. As reasonable culture is formed, job expectation increases, and on the other hand, malicious insincerity decreases. As a hierarchical culture is formed, job satisfaction, malicious insincerity, job expectation, crisis sense appear high. Third, private security guard job characteristic affects in job continuance will. As attainments in scholarship is high, job satisfaction, job expectation, alternative expectation increase. As a work period is long, job satisfaction, job expectation, alternative expectation, crisis sense appear decreases. As there are much monthly income, job satisfaction, job expectation, alternative expectation, crisis sense increase. Job satisfaction, job expectation increases as recognize the job importance high. Job satisfaction, shrinkage, malicious insincerity, job expectation, alternative expectation increase as recognize autonomy high. If feedback is proceeded well, malicious insincerity decreases.

A Technique for Alignment to True North Using Image Processing (영상 선호 처리를 이용한 풍향센서의 진북맞추기)

  • Lee, Jeong-Wan;Nam, Yoon-Su;Yoo, Neung-Soo
    • Journal of Industrial Technology
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    • v.22 no.A
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    • pp.67-72
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    • 2002
  • A technique for alignment to true north is presented, based on synchronized measurements of vision image by a camera and output voltage of wind direction sensor. The true wind direction is evaluated by means of image processing techniques with least square sense, and then evaluated true value is compared with measured output voltage of the sensor. The proposed technique is applied to real meteorological tower m Daekwanryung test site. In addition, some uncertainty analysis of this method is presented.

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Two-Stage Spectrum Sensing Scheme Using Fuzzy Logic for Cognitive Radio Networks

  • Satrio, Cahyo Tri;Jaeshin, Jang
    • Journal of information and communication convergence engineering
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    • v.14 no.1
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    • pp.1-8
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    • 2016
  • Spectrum sensing in cognitive radio networks allows secondary users to sense the unused spectrum without causing interference to primary users. Cognitive radio requires more accurate sensing results from unused portions of the spectrum. Accurate spectrum sensing techniques can reduce the probability of false alarms and misdetection. In this paper, a two-stage spectrum sensing scheme is proposed for cooperative spectrum sensing in cognitive radio networks. In the first stage, spectrum sensing is executed for each secondary user using energy detection based on double adaptive thresholds to determine the spectrum condition. If the energy value lies between two thresholds, a fuzzy logic scheme is applied to determine the channel conditions more accurately. In the second stage, a fusion center combines the results of each secondary user and uses a fuzzy logic scheme for combining all decisions. The simulation results show that the proposed scheme provides increased sensing accuracy by about 20% in some cases.