• 대한전자공학회논문지SD
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• 제42권2호
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• pp.73-82
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• 2005

스캔 테스트를 위한 테스트 데이터의 양과 파워 소모는 SoC 테스트에서의 최근의 직면한 가장 큰 문제들이다. 따라서 본 논문에서는 저전력 테스트를 고려한 새로운 테스트 데이터 압축 방법을 제안한다. 제안하는 압축 방법은 테스트 데이터 압축을 위해 압축율, 전력 소모 감소율과 하드웨어 오버헤드를 고려하여 최대 효율을 가지도록 하는데 기초하고 있다. 압축율과 전력 감소율을 높이기 위해서 본 논문에서는 IR (Input Reduction) 기법과 MSCIR (Modified Statistical Code using Input Reduction) 압축 코드을 사용하며, 뿐만아니라 이를 위한 사전 작업인 새로운 스캔 플립플롭 순서 재조합 기법 및 테스트 패턴 순서 재조합 방법을 제안한다. 기존의 연구와는 달리 CSR 구조를 사용하지 않고 원래의 테스트 데이터 $T_D$를 사용하여 압축하는 방법을 사용한다. 이렇게 함으로써 제안하는 압축 방법은 기존의 연구에 비해 훨씬 높은 압축율을 가지며 낮은 하드웨어 오버헤드의 디컴프레션 구조와 적은 전력 소모를 가진다. ISCAS '89 벤치 회로에 대찬 기존의 연구와의 비교로서 그 결과를 알 수 있다.

• 한국추진공학회:학술대회논문집
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• 한국추진공학회 2002년도 제18회 학술발표대회 논문초록집
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• pp.84-87
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• 2002

In this study, intrinsic fracture toughness of Al 7175-T74 is evaluated from the apparent toughness of notched specimen. Modified average stress model is used to establish the relationship to predict the intrinsic fracture toughness from the apparent fracture toughness of a notched-cracked specimen. The modified average stress model is established the relation between notch radius and effective distance calculated by FEM analysis. The results show that fracture toughness decreases with decreasing of notch root radius. The true fracture toughness can be predicted from test results of apparent fracture toughness measured by using notched specimen.

• 대한가정학회지
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• 제36권3호
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• pp.117-130
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• 1998

The purpose of this study was to investigate the relationship between mothers' parenting behavior and preschoolers' attachment security to their mother and preschoolers' social competence. The sample were 44 mothers and their 49-56 months old preschoolers. The instruments for this study were the modified IPBI(Iowa Parent Behavior Inventory: Mother Form), the Attachment Q-set by Waters and the modified ISCS(Iowa Social Competence Scales: Preschool Form). The data were analyzed by frequency, t-test, Pearson's r, and Multiple Regression Analysis. Major findings were that the responsive maternal parenting behavior was positively related to the preschoolers' attachment security. The guidance of maternal parenting behavior was positively related preschoolers' social activator of social competence. And there were significant correlations between the preschoolers' attachment security and social competence. The attachment security was positively related to the socially activating and cooperative competence.

• Journal of Periodontal and Implant Science
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• 제42권6호
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• pp.237-242
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• 2012

Purpose: The aim of this study was to clinically and radiographically evaluate and compare treatment of intrabony defects with the use of decalcified freeze-dried bone allograft in combination with a calcium sulphate barrier to collagen membrane. Methods: Twelve patients having chronic periodontal disease aged 20 to 50 years and with a probing depth >6 mm were selected. Classification of patient defects into experimental and control groups was made randomly. In the test group, a calcium sulphate barrier membrane, and in control group, a collagen membrane, was used in conjunction with decalcified freeze-dried bone graft in both sides. Ancillary parameters as well as soft tissue parameters along with radiographs were taken at baseline and after 6 months of surgery. Parameters assessed were plaque index, modified gingival index, probing depth, relative attachment level, and location of the gingival margin. A Student's t-test was done for intragroup and a paired t-test for intergroup analysis. Results: Intragroup analysis revealed statistically significant improvement in all the ancillary parameters and soft tissue parameters with no statistically significant difference in intergroup analysis. Conclusions: The study concluded that a calcium sulphate barrier was comparable to collagen membrane in achieving clinical benefits and hence it can be used as an economical alternative to collagen membrane.

• 컴퓨터교육학회논문지
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• 제6권3호
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• pp.109-117
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• 2003

교육컨텐츠의 양적 팽창은 필연적으로 질적 개선에 대한 관심을 불러일으킨다. 양적으로 풍부한 컨텐츠가 존재하는 상황에서는 학습자들은 같은 인터넷 정보라도 질 높은 사이트를 찾고자 한 것이고, 개발자나 정보제공자는 이러한 수요에 부응하는 WBI를 제공하여야만 생존이 가능할 것이기 때문이다. 그럼에도 불구하고 많은 사이트들은 아직도 사용자의 입장에서 보다는 개발자 자신의 취향이나 시장논리에 의해서 컨텐츠를 제공하는 경우가 많다. 본 연구는 컨텐츠 개발시 질적 완성도가 높은 WBI를 개발하기 위한 방법의 하나로 Usability Test를 제안하고 그 유용성을 시험하기 위해 수행되었다. 이 과정에서 Usability Test를 위한 한 사례로서 <지층과 화석>이라는 컨텐트가 제작되었으며 그 제작 사례를 통해 WBI 완성도 향상을 위한 Usability Test 의 실천방안들이 논의 되었다.

• 한방안이비인후피부과학회지
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• 제23권3호
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• pp.154-164
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• 2010

Objective : The purpose of this clinical research was to investigate the effects of herbal cosmetics containing Phellinus linteus extracts on patients with atopic dermatitis. Methods : A total of 35 patients who visited Daegu Hanny Oriental Medical Center from November 4th, 2008 to December 28th, 2008 were included in this study. In this study, we observed transepidermal water loss, skin moisture content, modified scorad index of atopic dermatitis and pruritic degree. Statistical analysis was performed by using paired t-test and wilcoxon signed ranks test. Statistical significance was achieved if the probability was less than 5%(p<0.05). Results : Statistically, herbal cosmetics containing Phellinus linteus extracts showed siginificant effect on transepidermal water loss, skin moisture content, modified scorad index of atopic dermatitis and pruritic degree(p<0.05). And satisfaction after using herbal cosmetics was near good. Conclusions : Considering the above results, we have concluded that herbal cosmetics containing Phellinus linteus extracts have the remarkable effects on atopic dermatitis.

• 대한물리치료과학회지
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• 제9권1호
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• pp.103-111
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• 2002

The purpose of this study was NIHSS(National Institutes of Health stroke scale) to activities of Daily Living stroke patient. We designed a 17 item neurogic Examination NIHSS use in acute stroke therapy trials. In a study of stroke patient. Assessment were measured by the NIHSS and by the MBI (Modified Barthel Index) to evaluate activities of daily living(ADL). Fifty patients were subject in this study. Collected data analysis were completed by using t-test, ANOVA, correlation analysis and Multiple regression analysis. The following were as follow; Among the test of NIHSS(National Institutes of Health stroke scale) was significantly correlated with changes in MBI(Modified Barthel Index) score in 50 stroke patients. Among the subitems of NIHSS, Pupillary Response, a level of consciousness, best motor arm, best motor leg were the best predictors of functional improvement.

• 한국전문물리치료학회지
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• 제15권1호
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• pp.20-29
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• 2008

The purpose of this study was to assess the effect of a group self exercise program in improving the quality of life regarding depression and the activities of daily living (ADL) of chronic stroke survivors, as well as the motor functions such as the 3 meter round walk, upper extremity function, and static balance. The subjects were 12 post-stroke ambulatory community center participants. All subjects participated in one 90 minute session per week for 7 weeks and received a home exercise program in every session. They had to record and submit an exercise check list. Quality of life was measured with the Beck depression inventory and the 8-Item Short-Form (SF-8). Motor functions were measured with the manual function test (MF'T), the kinesthetic ability trainer (KAT 3000), and the modified Barthel index. The level of depression decreased somewhat, but there were no significant differences after intervention. However, quality of life related health (SF-8) improved significant1y. There were significant improvements in the time for the 3 meter round walk, the functions of the affected upper extremities, and static balance and ADL (p<.05). The findings of this study suggest that a group self exercise program can improve quality of life related health and motor functions in stroke survivors.

• 한국음향학회:학술대회논문집
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• 한국음향학회 1994년도 FIFTH WESTERN PACIFIC REGIONAL ACOUSTICS CONFERENCE SEOUL KOREA
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• pp.1033-1038
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• 1994

This paper describes recognition results using the modified Learning Vector Quantization (MLVQ2) method which we proposed previously. At first, we investigated the property of duration of 29 Korean consonants and found that the variances of th duration were extremely big comparing to other languages. We carried out preliminary recognition experiments for three stop consonants P, T and K. From the recognition results, we defined the optimum conditions for the learning. Then we applied the MLVQ2 method to the recognition of Korean consonants. The training was carried out using the phoneme samples in the 611 word vocabulary uttered by 2 male speakers, where each of the speakers uttered two repetitions. The recognition experiment was carried out for the phoneme samples in two repetitions of the 611 word vocabulary uttered by another male speaker. The recognition scores for the twelve plosives were 68.2% for the test samples. The recofnition scores for the 29 Korean consonants were 64.8% for the test samples.

• 한국직업건강간호학회지
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• 제19권1호
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• pp.14-27
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• 2010

Purpose: The purpose of this study was to identify health promoting behaviors and health problems in contact center consultants, and to provide basic data in order to develop health promoting interventions for these people. The subjects were 680 consultants randomly selected from 6 contact centers out of 31 in D city. The data were collected from March 20, to March 28, 2008. Methods: The tools for this study were HPLP II developed by Walker et al. (1995) that was modified and translated by Park (2005) and modified CMI for contact center consultants based on CMI developed by Bordman (1994). The data were analyzed by descriptive statistics, t test, ANOVA, and Scheffe test with the SPSS WIN 14.0 program. Results and Conclusion: The contact center consultants' health promoting behavior was in a low level and they had certain health problems related to their job such as eye, ear and throat. In consideration of contact center consultants' job characteristics, health education should be provided with the development of systematic health programs.