• Title/Summary/Keyword: 적합도 분석

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Assessment of water quality index suitability of domestic watersheds (국내유역의 수질지수 적합성 평가)

  • Lee, Sangung;Jo, Bugeon;Kim, Young Do
    • Journal of Korea Water Resources Association
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    • v.55 no.5
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    • pp.371-381
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    • 2022
  • Since tributaries have greater water quality variability than main streams, a comprehensive evaluation method that considers the effects of various parameters rather than one water quality parameter has been introduced for effective water quality management of tributaries, but the characteristic of the watershed is not considered. In this study, the urbanization rate, livestock excreta generation, and industrial wastewater discharge in the Hantan River middle-watershed classify urban and non-urban watersheds, and evaluate the suitability of water quality indexes by watershed characteristics by analyzing water quality characteristics and calculating CCME WQI, RTWQI, and NSFWQI. Factor analysis was used to understand the effect of water quality parameters used to calculate the water quality index on the water quality index results. As a result of the factor analysis, the relationship between CCME WQI, TC, and FC was derived, and the relationship between RTWQI and DO, SS in urban watersheds and NSFWQI and FC in non-urban watersheds was revealed. As a result of evaluating suitability through comparison with BOD and T-P grades, it was interpreted that the suitability of the water quality index was low in urban watersheds and that comprehensive water quality evaluation using RTWQI was possible in non-urban watersheds.

A Study on the Structural Model and Relation of will to Happy Life (행복한 삶을 위한 의지의 구조모델과 관계성 연구)

  • Jeong, Cheol-Yeong
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.3
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    • pp.213-220
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    • 2019
  • Desire for a happy life becomes the will that man instinctively desires. In that the conditions of happiness are subjective and varied, the will of subjective desires has been studied with the attention of objective tendencies. The positive and meaningful will of life in the desire for happiness leads us to be the functionaries who act. These wills can be the driving force of a happy life, which allows one to have a hopeful reflective will in one's inner life, connecting oneself with others, and working in relationships with others. In addition, those who become lazy or lose their orientation in life can instill a will to be the main character of life, and furthermore, to give the ultimate meaning and goals of life. To understand and analyze these wills for happy lives more specifically, structural model compatibility and confirmatory factors were conducted. relatively reliable α=.855 value, the coefficient of correlation between recognition and will **p<.01, *p<.05 statistically significant measuring tool of not less than 05 was used. The study results of the structural model suitability of the factors of will and the confirmatory factor analysis showed that the model set by the researcher could reflect the characteristics of the data collected, and that the χ2(Chi-square) value was .126, which was consistent with the model by satisfying the acceptance criteria, and that the comparison of the reference values of the study model showed a relatively high level of suitability. To identify the relationship between cognitive and defined and behavioral factors of subjective will and existent will variables, the results of a verification factor analysis show that the χ2(Chi-square) value is 2.36 and the model and data are consistent with the acceptance criteria, and that the test data is consistent with the model and data set by the researcher are consistent with the model5.0 Through structural model analysis of human will, it was confirmed that the variables of subjective and existential, sensible and reflective will directly and indirectly influence and form a complex relationship. Our will is recognized as the subjective will, and the structure of the subjective will consists of the sensible and reflective will, and the relationship between the cognitive and just action elements and the subjective will of the human life and the will to exist is shown to be very meaningful, so we should conduct the education of the happy will of the emotional and just areas of life as well as the reestablishment of the cognitive educational direction that can lead to action.

Comparative Analysis of Technology Acceptance Model : Focusing on UTAUT1 and UTAUT2 (기술수용 모델의 비교분석 : UTAUT1과 UTAUT2를 중심으로)

  • Chung, Byoung-gyu
    • Journal of Venture Innovation
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    • v.1 no.2
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    • pp.109-121
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    • 2018
  • New technology had been introduced continually and in many cases, we approached technology persepectives when the new technology were introduced. It was very important that researching users acceptance of the new technology in the areas of marketing and strategy. Regarding to user accepatance of new technology, many research models had been exited. This study compared with 2 models which were proposed by Venkatesh et al. named UTAUT1, UTAUT2 based on the criteria which composed of application context, variables of model, the impacts of variables. The dominant matric which was applied in all functions and industries was not exited. For the purpose of improving predictability, single or compound matrics were useful according to industries and usage

A comparative analysis on Blind Adaptation Algorithms performances for User Detection in CDMA Systems (CDMA System에서 사용자 검파를 위한 Blind 적용 알고리즘에 관한 성능 비교 분석)

  • 조미령;윤석하
    • Journal of the Korea Computer Industry Society
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    • v.2 no.4
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    • pp.537-546
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    • 2001
  • Griffth's and LCCMA which are Single-user detection adaptive algorithm are proposed for mitigate MAI(multiple access interference) and the near-far problem in direct-sequence spread-spectrum CDMA system and MOE Algorithm is proposed for MMSE(Minimum Mean-Square Error). This paper pertains to three types of Blind adaptive algorithms which can upgrade system functionality without the requirements from training sequence. It goes further to compare and analyze the functionalities of the algorithms as per number of interfering users or data update rate of the users. The simulation results was that LCCMA algorithm was superior to other algorithms in both areas. Blind application enabled a more flexible network design by eliminating the necessity of training sequence.

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Calibration System Suitability Evaluation and Test Limits Determination Method through Factor Analysis of Uncertainty (불확도 요인 분석을 통한 교정 시스템 적합성 평가 및 시험기준 결정 방안)

  • Kim, Hong-Tark;Kim, Boo-Il
    • The Journal of the Korea institute of electronic communication sciences
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    • v.14 no.6
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    • pp.1139-1144
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    • 2019
  • A calibration system for diagnosing and confirming the performance of precision measuring instruments minimizes the risk of misjudgment of calibration resulted by complying with international standard requirements in order to ensure the reliability of calibration results. This paper uses a proposed calibration system suitability assessment and a guard-band technique through an analysis of uncertainty factors when it is impossible to acquire and operate high-performance equipment at a calibration laboratory, and proposes an optimized test limit output model substituting performance standards. The proposed method provides an optimized test standard to meet the quantitative evaluation criteria of the calibration system and the probability of false acceptance risk required by international standards.

A Study on the Architectural Appropriateness to the Ceremony and Other Activities in Conjunction with the Change of Chronological Significance in A Cathedral - With the Reference to the Liverpool Cathedral & the Metropolitan Cathedral in UK - (시대적 의미변화에 따른 성당의 예배의식과 의식 후 활동의 건축적 적합성에 관한 연구 - 영국 리버풀 교회와 메트로폴리탄 교회를 중심으로 -)

  • Moon, Jung-Mook
    • Korean Institute of Interior Design Journal
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    • v.16 no.2 s.61
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    • pp.242-252
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    • 2007
  • 성당은 인간의 세계와 신의 세계를 연결해주는 영역적 전환의 성격을 갖는 건축물이다. 그리고 이곳에서 벌어지는 찬송과 주문 등의 일련의 예배의식과정은 신의 영역으로의 전환을 위함이라고 할 수 있다. 전통적으로 성당에서의 예배는 성직자들의 의식 진행과정이 신도들에게 잘 드러나지 않도록 배치되어왔다. 성직자와 일반신도는 철저히 구별되고 그 거리를 최대로 하는 건축계획이 이루어져왔는데 이것은 예배의 의식과정이 보다 신비스럽고 경외의 대상이 됨으로서 신권을 보다 확고히 하기 위한 의도로 풀이될 수 있다. 그러나 모더니즘의 탄생과 더불어 시작된 자유화는 사회의 각 분야를 변화시키고 성당에서도 예전의 신권 중심의 예배의식에서 벗어나, 보다 인간적인 의식으로의 전환이 정착되기에 이르렀다. 신도는 보다 적극적으로 예배의식에 참여할 수 있게 되고 예배의식 이후에는 신도들의 인간적 교류를 증진하는 다양한 활동이 제공되었다. 이러한 상황 하에서 전통적 형태의 영국성당은 매우 성스럽고 예배를 위한 좋은 환경을 제공하고 있는데 비하여 모더니즘 이후의 성당은 현대 성당이 요구하는 예배 후의 다양한 활동을 수용한다는 생각이 지배적이었다. 본 연구는 이러한 일반적 견해에 대한 보다 과학적 분석 및 해석을 위하여 스페이스 신택스 기법을 사용하여 정량적 접근을 시도하였고 다양한 문헌고찰을 통하여 이에 대한 보다 면밀한 정성적 분석을 시도하였는데 그 결과 이에 대한 일반적 견해와는 반대로 전통적 형태의 성당이 예배후의 다양한 활동에 적합한데 비하여 현대적 형태의 성당은 예배의식에 보다 적합하다는 것으로 판명되었다.

A Study of Estimation for Web Software Size (웹 소프트웨어 규모 예측에 관한 연구)

  • KIM JeeHyun;YOO HaeYoung
    • The KIPS Transactions:PartD
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    • v.12D no.3 s.99
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    • pp.409-416
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    • 2005
  • Even though development paradigm of software has been changing very fast at the beginning of 21st Centuries, there are just few studies of quality and estimation metrics appropriate for Web environment. So in this study after analyzing the correlation between the size of the final code and property of objects, three industrial real world projects written in ASP have been used for deriving programs with high possibilities of faults. And then the size of programs was analyzed to correlate with the number of classes or the number of methods through linear regression. Among the web software with the complex architecture or server, client and un, type or form file written in Javascript for client has the high correlation and the number of methods is well correlated with the size of final code.

Synthesis op Daily Streamflow by Multilag Model (다차수모델에 의한 일류량의 추계학적 모의발생)

  • 엄태규;이순택
    • Water for future
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    • v.14 no.1
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    • pp.51-58
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    • 1981
  • This study attempts to examine and estabilish a simulation model from the stochastic analysis of daily streamflow. Daily streamflow records obstained at the main gauging stations along the Han, Nakdong and Geum River were used in the analysis. The following results were abtained. From the analysis of time series of streamflow by the correlogram and spectraal density, The serial component of one-year periodicity, serial correlation and irregular or random component were found. The coefficient of determination R2 of multilag model remaine a plateau at log-two, so that second order mu.ltilag model was Known to fit in the simulation of daily streamflow, Consequently, multilag and recised Markov model of the sewnd order give the best results in simulatin of daily streamflow. But the former generally gives better results than the latter. And theoretical markev model is unfit in the simulation of daily series without modification.

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Cache simulation for measuring cache performance suitable for sound rendering (사운드 렌더링에 적합한 캐시 성능 측정을 위한 캐시 시뮬레이션)

  • Joo, Yejong;Hong, Dukki;Chung, Woonam;Park, Woo-Chan
    • Journal of the Korea Computer Graphics Society
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    • v.23 no.3
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    • pp.123-133
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    • 2017
  • Cache performance is an important factor in hardware system. We proceed with a cache simulation to analyze the cache performance suitable for sound rendering. In addition, we introduce hardware models based on ray tracing used in geometric method and studies to improve cache performance. Cache simulation is performed on various conditions for cache size, way and block. Various simulations can be found to influence the cache hit rate. We compare cache simulation results with actual hardware performance to analyze cache performance suitable for sound rendering.

Design of Trajectory Data Indexing and Query Processing for Real-Time LBS in MapReduce Environments (MapReduce 환경에서의 실시간 LBS를 위한 이동궤적 데이터 색인 및 검색 시스템 설계)

  • Chung, Jaehwa
    • Journal of Digital Contents Society
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    • v.14 no.3
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    • pp.313-321
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    • 2013
  • In recent, proliferation of mobile smart devices have led to big-data era, the importance of location-based services is increasing due to the exponential growth of trajectory related data. In order to process trajectory data, parallel processing platforms such as cloud computing and MapReduce are necessary. Currently, the researches based on MapReduce are on progress, but due to the MapReduce's properties in using batch processing and simple key-value structure, applying MapReduce framework for real time LBS is difficult. Therefore, in this research we propose a suitable system design on efficient indexing and search techniques for real time service based on detailed analysis on the properties of MapReduce.