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An Efficient Resource-constrained Scheduling Algorithm (효율적 자원제한 스케줄링 알고리즘)

  • 송호정;정회균;황인재;송기용
    • Proceedings of the Korea Institute of Convergence Signal Processing
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    • 2001.06a
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    • pp.73-76
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    • 2001
  • High-level synthesis generates a structural design that implements the given behavior and satisfies design constraints for area, performance, power consumption, packaging, testing and other criteria. Thus, high-level synthesis generates that register-transfer(RT) level structure from algorithm level description. High-level synthesis consist of compiling, partitioning, scheduling. In this paper, we proposed the efficient scheduling algorithm that find the number of the functional unit and scheduling into the minimum control step with silicon area resource constrained.

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The Holocene Depositonal Environment and Sea-Level Change at Ilsan Area (일산충적평야의 홀로세 퇴적환경변화와 해면변동)

  • 황상일
    • Journal of the Korean Geographical Society
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    • v.33 no.2
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    • pp.143-163
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    • 1998
  • In order to clarify the depositional environment and sea-level change at Ilsan area including Gawaji and Saemal valley plains, which is located at the right side in downstream of the Han River, boring data, radiocabon dating and diatom analysis were comprehensively investigated. As a result, the palaeogeographies fo this area altered by the transgressions and regressions after 7,000 y. BP could be restored. The high tide sea-level(mean high water level of spring tide) was arrived ca. 7,000y. BP at the valley plain and risen to ca. 5.5m at ca. 5000y. BP. Since then, the sea-level was kept up the same level to ca. 3,200 BP. The descended sea-level to ca. 2,300 BP was risen up to ca. 5.8m in ca. 1,800 y. BP. It is presumed that such a sea-level change as well as the different sediments in quantity supplied from the river basin of the valley plain could be effected to change diversely the depositional environment of the study area and eventually to the prehistoric human life.

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A Study on the Level Limit Switch for Measuring Near-distance Variation with 1-3 Type Ceramic/Polymer Composite Ultrasonic Transducer (1-3형 복합압전체 초음파 트랜스듀서를 사용한 근접거리변동 측정용 레벨 Limit스위치에 관한 연구)

  • Kim, H.G.;Park, K.I.;Shin, K.H.;SaGong, G.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2003.08a
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    • pp.103-106
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    • 2003
  • In this study, an ultrasonic transducer is fabricated with 1-3 type composite resonators. Pulse-echo responses of an ultrasonic transducer are investigated in underwater dependent on the variable designated water-level. LED Output signals of a level limit with changing a water level is obtained by the 1-3 type self-made composite transducer and electric measuring unit. LED is turned on at above the up-limit level with increasing a water level, and LED is turned on at less than the down-limit level with decreasing a water level. There was good agreement between the virtual water level and output LED signal by using the self-made water-detecting system.

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A Study on the Level Limit Switch for Underwater with 1-3 Type Ceramic/Polymer Composite Ultrasonic Transducer (1-3형 복합압전체 초음파 트랜스듀서를 사용한 수중용 레벨 Limit스위치에 관한 연구)

  • Kim, H.G.;Park, K.I.;Shin, K.H;SaGong, G.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2003.11a
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    • pp.292-295
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    • 2003
  • In this study, an ultrasonic transducer is fabricated with 1-3 type composite resonators. Pulse-echo responses of an ultrasonic transducer are investigated in underwater dependent on the variable designated water-level. LED Output signals of a level limit with changing a water level is obtained by the 1-3 type self-made composite transducer and electric measuring unit. LED is turned on at above the up-limit level with increasing a water level, and LED is turned on at less than the down-limit level with decreasing a water level. There was good agreement between the virtual level and output LED signal by using the self-made water-detecting system.

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A Study on Burden of Middle Aged Spouses of Rheumatoid Arthritic Patients (류마티스 관절염 환자 배우자의 부담감)

  • Choi, Kyung-Sook;Eun, Young;Ham, Mee-Young
    • Journal of muscle and joint health
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    • v.7 no.2
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    • pp.241-257
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    • 2000
  • Rheumatoid arthritis as one of the chronic illness requiring management in long period of time puts great burden to patients, their family and society. For patients with chronic illnesses, providing a social support is important and the most important source comes from spouses. Therefore we assessed burden of husbands of female rheumatoid arthritic patients and also found out the factors affecting burden. The sample of study was 107 female rheumatoid arthritic patients and their spouses. The tool of assessing spouses' burden was the revised version of subjective and objective parameters developed by Montgomery et al.(1985). The results are as follows: 1. General characteristics of patients and spouses: The mean age of the patients was 48 years. Educational level of patients was high school 41.1%. The mean age of the spouses was 51years. Educational level of spouses was mostly high school(40.2%) and college(29.9%) graduate. The mean marital period was 23.4years. Average income per month was 1,609,000 won. The average duration since diagnosis was 9.4years. As a therapy, 67.3% chose standard drug therapy. Average rating of discomfort by patient was 3.05(range 1-5) and that of severity was 3.48 and that of dependency was 2.58. The husband's rating of their spouses disease severity was 3.68. 2. Husbands' burden: The average burden in subjective items was 21.61(range 6-36) and objective items was 35.24(range 10-60). The average of total burden was 56.59(range 16-96). 3. Husband's total burden correlated with patient's age, educational level of patients, therapy method, patient's level of discomfort, patient's severity, patient's level of dependence, husband's recognition of level of severity in statistical level. Husband's objective burden correlated with patient's age, educational level of patient, patient's level of discomfort, husband's recognition of level of severity. Husband's subjective burden correlated with patient's age, educational level of patients, therapy method, patient's severity, patient's level of dependence, husband's recognition of level of severity. 4. Linear correlation analysis on burden: The husbands' total burden is explained in 37 7% by husband's recognition of level of severity and husband's age. The husbands' objective burden is explained in 31.2% by patient's level of dependence, husband's age, husband's recognition of level of severity. The husbands' subjective burden is explained in 26.7% by husband's recognition of level of severity and patient's age. In conclusion, husbands' level of burden is affected by many factors and therefore nursing strategy for relieving burden of middle aged husbands should be individualized taking these factors into consideration.

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Increase of Spoken Number of Syllables Using MIT(Melody Intonation Therapy) : Case Studies on older adult with stroke and aphasia (MIT(Melodic Intonation Therapy) 중심의 음악활동을 이용한 실어증을 가진 뇌졸중 노인의 음절 수 증가에 대한 사례 연구)

  • Hong, Do Kyoung
    • Journal of Music and Human Behavior
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    • v.2 no.2
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    • pp.57-67
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    • 2005
  • Most of stroke patients have not only physical difficulty but speech and neurological disorder because of hemiplegia and such unexpected changes cause psychologic disadaptability and absent-mindedness. Particularly, lowering of physical ability can lead to serious emotional problem from failure or frustration in daily life. Generally, treatment of patient with stroke put emphasis on physical rehabilitation but actually this patient had considerable speech disorder such as aphasia or articulation disorder. Moreover, failing of recognition function, mental disorder as hypochondria, and even visual and auditory disorder are represented. So it is effective to integrate verbal remediation and other treatments in medical care environment. In particular, patients with language disorder very often wither psychologically therefore it is efficient to use of music therapy that gives opulent emotion to aphasia patients. And primarily to investigate the effects of 10 sessions treatments; change in spoken total number of syllables, to confirm their own value by success of given task and reassure about themselves ability. All of 10 sessions stages were scored by MIT manual and its improvement were measured, that is, accomplishment was analyzed within each level in order to prove detail change of spoken total number of syllables. The result of this program organized from 2 syllables to 4 syllables is summarized as follows. Subject A completed in preliminary stage Level I, in 2 syllables case advanced to Level III in fifth session and to Level IV in seventh session, in 3 syllables case advanced to Level III in seventh session and to Level IV in ninth session, and in 4 syllables case showed 8% low success rate in first session but after repeated practice increased considerably in sixth session and in advanced to Level III in eighth session to Level IV in tenth session. Subject B also completed in preliminary stage Level I, in 2 syllables case advanced to Level III in forth session and to Level IV in sixth session, in 3 syllables case advanced to Level III in fifth session and to Level IV in seventh session, and in 4 syllables case showed 10% low success rate in first session and increased considerably in fifth session and in advanced to Level III in seventh session but could not reach to Level IV until tenth session. As a result, it was shown that music therapy using MIT was not statistically meaningful but improved spoken total number of syllables and success rate of task had improved as a whole. Therefore, music intervention using MIT it has positive affect on verbal ability of patients with Broca's Aphasia and their language rehabilitation.

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Design Method for Improving Sensitivity of Film-type Level Sensors (필름형 레벨센서의 민감도 향상을 위한 설계 방법)

  • Byeongkon Kim;Sookwan Jang
    • Journal of Sensor Science and Technology
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    • v.33 no.5
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    • pp.373-377
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    • 2024
  • To increase the sensitivity of film-type level sensors for water-level measurements, a Wheatstone bridge comprising a half-bridge circuit with a new film-type level sensor design containing four resistors and two electrodes was employed. The proposed film-type level sensor included a temperature compensation feature and demonstrated improved sensitivity owing to a two-fold increase in the voltage output. Furthermore, a repetition error of less than 1.0% was observed for water levels. As the change in resistance varied linearly with the water level, a linear function was derived to represent their relation. Using this derived formula, water level measurements that were twice as precise as those yielded by commercial products were achieved.

Rank-level Fusion Method That Improves Recognition Rate by Using Correlation Coefficient (상관계수를 이용하여 인식률을 향상시킨 rank-level fusion 방법)

  • Ahn, Jung-ho;Jeong, Jae Yeol;Jeong, Ik Rae
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.29 no.5
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    • pp.1007-1017
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    • 2019
  • Currently, most biometrics system authenticates users by using single biometric information. This method has many problems such as noise problem, sensitivity to data, spoofing, a limitation of recognition rate. One method to solve this problems is to use multi biometric information. The multi biometric authentication system performs information fusion for each biometric information to generate new information, and then uses the new information to authenticate the user. Among information fusion methods, a score-level fusion method is widely used. However, there is a problem that a normalization operation is required, and even if data is same, the recognition rate varies depending on the normalization method. A rank-level fusion method that does not require normalization is proposed. However, a existing rank-level fusion methods have lower recognition rate than score-level fusion methods. To solve this problem, we propose a rank-level fusion method with higher recognition rate than a score-level fusion method using correlation coefficient. The experiment compares recognition rate of a existing rank-level fusion methods with the recognition rate of proposed method using iris information(CASIA V3) and face information(FERET V1). We also compare with score-level fusion methods. As a result, the recognition rate improve from about 0.3% to 3.3%.

A Study on the Pattern of Shopping, the Level of Customers' Cognition and the Level of Satisfaction for Foods Sold in "24-Hour Market Store" in Taegu City (편의점 이용객의 식품이용실태 및 인식과 만족에 관한 연구 -대구시내 편의점을 중 심으로-)

  • 서경아;송주은;한재숙
    • Journal of the East Asian Society of Dietary Life
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    • v.3 no.2
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    • pp.73-81
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    • 1993
  • The purpose of this study is to examine the level of customers' cognition, the patterns of shopping and the level of satisfaction for foods sold in "24-hour market stor", and thus to provide a guideling for establishment of 24-hour market store", and thus to provide a guideline for establishment of 24-hour market store, development of Korean-style food, and enhancement of desirable habit of eating. The study conducted a survey for the young customers (13-19 years old) and the old customers (20-38 years old), the residents in Tague City, for the period Sept. 1-Sept.30. The survey administered to a total of 700 respondents, and finally received 646 ansers. Data analysis incorporates Chi-square test, univariate analysis, Scheffe's test, and correlation analysis, running SPSS Pc+(Statistical Package for Social Science). The results were drawn as follows: In terms of the level of cognition, results show a high level in the aspects of availability, convenience, time-saving in cooking, a variety of goods, easy custody: a medium level in the aspects of taste and sanitation: a low level in the aspects of cheapness and import of foreign food, In terms of customers' shopping patterns, the results show that the respondents answered the most convenience in 24-hour open and nearby location. Shopping was mostly done during the evening time between 18:00 and 22:00, and frequently during the mid-night time. Most of the residents needed a high level in the price. in terms of the level of customers' satisfaction, the results show a high level in the aspects of convenience, packing, and variety ; a medium level in the aspects of taste and sanitation ; a low level in the aspects of nutrition, price, import of foreign goods.

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The Factors affecting the Level of Fixed Assets Management in General Hospitals (종합병원 자산관리 정도 및 요인 분석)

  • Seo, Young-Geun;Yu, Seung-Hum;Lee, Hae-Jong;Park, Eun-Cheol
    • Korea Journal of Hospital Management
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    • v.1 no.1
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    • pp.21-36
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    • 1996
  • The purpose of this study is to evaluate the level of fixed assets management of the factors affecting its management level. The surveyed data were gathered from 105 general hospitals among 263 general hospitals nationwide. The level of fixed assets management was measured by 11 dimensions of assets management. The results were as follows : 1. According to general characteristics of hospitals, the management level of public hospitals and corporatized hospitals was better than that of private hospitals. The management level was better as increasing beds. 2. In the structural characteristics of assets management, the management level of the hospitals which had the responsible person for assets management was better than that of the hospitals which had not. 3. In the operating characteristics of assets management, the hospitals that conducted education for the job had better level of assets management that did not it. The hospital that the discard of assets was decided by engineering department or management department were better in management level than the hospitals that it was decided by user department. The management level of hospitals which were computerized for assets management was better. 4. In the full model, the most factors affecting the level of assets management were the factors that were characterized by operation pattern of assets management, and the operating characteristics of assets management were explained to 23.1% of total 45.7%. Conclusively, the level of assets management was mostly affected by the operating characteristics of assets management which were education for the job, discard decision not by user department, computerization for assets management. Therefore, hospitals perform education of the job, discard decision by engineering or management department, and computerization for better level of fixed assets management

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