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      • 적응 콤 필터링을 이용한 이동 통신 환경에서의 강인한 음성 인식

        박정식,정규준,오영환,Park Jeong-Sik,Jung Gue-Jun,Oh Yung-Hwan 대한음성학회 2003 말소리 Vol.46 No.-

        In this paper, we employ the adaptive comb filtering for effective noise reduction in mobile communication environment. Adaptive comb filtering is a well-known method for noise reduction, but requires correct pitch period and must be applied just in voiced speech frames. To satisfy these requirements we use two kinds of information extracted from speech packets, one of which is the pitch period information measured precisely by a speech coder and the other is the frame rate information related to a decision on speech or silence frame. Experiments on speech recognition system confirm the efficiency of this method. Feature parameters employing this method give superior performance in noise environment to those extracted directly from output speech.

      • KCI등재후보

        근골격계 통증환자의 통증유형과 체형진단을 통한 신체지표 관련성 연구

        박정식,박창현,송윤경,Park, Jung-Sik,Park, Chang-Hyun,Song, Yun-Kyung 척추신경추나의학회 2015 척추신경추나의학회지 Vol.10 No.1

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        Objectives : The purpose of this study is body parameters characteristics through posture analysis system of musculoskeletal problem patient Methods : Posture analysis system were performed for 164 patients to measure body parameters such as Q-angle, body inclination, neck inclination, PCMT(posterior cervical muscle tension), Knee flexion and posture balance. Statistical analysis using statistical analysis techniques and Pearson correlation coefficients was performed to assess the body parameters obtained by posture analysis system. Results : More than half of people out of 164 reported low back pain, 34.8% of the total was found to have neck pain. There was not a significant difference between genders from the characteristics of gender based body parameters expect for the statistical difference in Q angle, PCMT. There was a significant correlation between low back pain and multiple response status. There was a significant correlations between knee pain and Q angle. Also There was a significant correlations between pelvic pain and posture balance of ankle. Conclusions : Posture analysis system can be used to perform the analysis in place of X-ray measuring body posture and clinical parameters. The results of this study are expected to be the basis for further research on the clinical application of posture analysis system.

      • KCI등재

        낙석등 추출물이 토끼 HIG-82 활액막 세포주에서 Sodium Nitroprusside (SNP)로 유도된 염증반응에 미치는 영향

        박정식 ( Jung Sik Park ),임형호 ( Hyung Ho Lim ) 한방재활의학과학회 2014 한방재활의학과학회지 Vol.24 No.2

        ObjectivesTrachelospermi caulis, known as Nak-Suk-Deung in Korea, is the dried leafy stem of Trachelospermum asiaticum var. intermedium Nakai, and climbing stems and branches of Trachelospermum sdisyivum var, intermedium nakai or Apocyanaceae. Trachelospermi caulis has antipyretic and analgesic activity. It has traditionally been used as a folk remedy in Korea for the treatment of various infla mMatory diseases, including rheumatoid arthritis. The purpose of this study was to evaluate the Effects of Trachelosper-mum caulis extract on SNP-induced infla mMatory responses in rabbit HIG-82 synovial membrane cells. MethodsAnti-infla mMatory effects of the extract of Trachelospermum caulis were inves-tigated using rabbit HIG-82 synovial membrane cells. For this study, 3-(4,5-dimethylthiazol- 2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, western blot analysis, PGE2 i mMuno-assay, and NO detection were conducted. ResultsThe aqueous extract of Trachelospermum caulis exerted cytotoxicity and sup-pressed PGE2 synthesis and NO production in rabbit HIG-82 synovial membrane cells. The aqueous extract of Trachelospermum caulis also inhibited the SNP-induced expressions of COX-2, iNOS, and TNF-α in rabbit HIG-82 synovial membrane cells.ConclusionsThese results showed that the extract of Trachelospermum caulis exerts the anti-infla mMatory effect by suppressing COX-2, iNOS, and TNF-α expressions in the synovial membrane cells. (J Korean Med Rehab 2014;24(2):31-40)

      • KCI등재
      • KCI등재
      • KCI등재

        대학생 체질량지수와 혈액검사결과 상 비만 분류군간 특성 및 비만 연관 요인 분석에 대한 연구

        박정식 ( Jung Sik Park ),이중재 ( Jung Jae Lee ),오현숙 ( Hyun Sook Oh ),임형호 ( Hyung Ho Lim ) 한방재활의학과학회 2014 한방재활의학과학회지 Vol.24 No.4

        ObjectivesThe purpose of this study was to investigate the characteristics in obesity classification group of college students having health checkup by analyzing their BMI and blood test and determine the association between factors contributing to obesity and obe-sity according to BMI.MethodsA group of 2992 test subjects took their medical examination and their body composition, height, weight, blood pressure were measured and blood test was done. With these results we diagnosed obesity, and analysed relationship between obesity and cholesterol, triglyceride, LDL (low density lipoprotein)-cholesterol, HDL (high density lip-oprotein)-cholesterol, liver function, renal function and blood pressure.Results1. Overweight individuals showed high total cholesterol, LDL-cholesterol, trigly-ceride, GOT (glutamic oxalacetic transaminase), GPT (glutamic pyruvate transaminase), Urea-nitrogen, Creatinine and low HDL-cholesterol. 2. BMI showed a significant associa-tion with other factors. BMI has a negative correlation with sex and HDL-cholesterol. BMI had positive correlations with other factors. 3. There was no relation between BMI and sex. Those six factors, liver function, cholesterol, blood pressure, kidney function, neutral fat, and blood sugar were related to BMI.ConclusionsThere was a significant relation between college students`` BMI and their liv-er function, cholesterol, blood pressure, kidney function, neutral fat, and blood sugar. The diseases related to liver function, cholesterol, blood pressure, kidney function, neutral fat, and blood sugar were clearly associated with obesity. (J Korean Med Rehab 2014; 24(4):61-70)

      • KCI등재

        장애학생의 전환교육 증거 기반 교수 전략의 학교 현장 적용에 대한 특수교사의 인식 연구

        박정식 ( Park Jung-sik ) 대구대학교 특수교육재활과학연구소 2017 특수교육재활과학연구 Vol.56 No.1

        이 연구의 목적은 증거 기반 교수의 활용을 촉진하기 위해서 전환교육 관련 증거 기반 교수의 활용 주체인 특수교사가 가지고 있는 전환교육 관련 증거 기반 교수에 대한 자기 존중감, 긍정적 요인, 방해 요인, 태도 요인에 대한 특수교사의 인식과 관계를 알아보고 전환교육 관련증거 기반의 교수 전략을 현장에 활성화시키는데 필요한 정보를 제공하는데 있다. 연구의 목적을 달성하기 위해 대구, 경북, 부산 지역 특수학교 중등학교와 전공과에 근무하는 특수교사를 대상으로 설문조사를 실시하였다. 연구도구는 Chan, Bezyak and Lui(2013)이 증거 기반 교수 전략의 재활 현장에 적용하는데 있어 준비 정도를 파악하기 위해 사용한 자아 효능감, 긍정적 요인, 방해 요인, 태도 요인의 설문지를 연구자가 연구 목적에 맞게 수정 및 보안하여 사용하였다. 연구결과는 교사들은 자기 효능감에서는 비교적 보통 이상으로, 긍정적 요인에서는 아주 높게, 방해 및 태도에서는 보통 정도로 전환교육 관련 증거 기반 교수 전략에 대해 인식하고 있다. 그리고 전환교육 증거 기반 교수 전략의 긍정적 요인에 미치는 영향에서, 전환교육 증거 기반 교수 전략에 대한 긍정적 요인에 영향을 미치는 요인은 태도 요인과 자기 효능감으로 나타났다. The purpose of this study was to investigate the relationship among teacher`s self- efficacy, positive factors, interference factors, and attitude factors of the evidence- based instruction related to transition education of students with disabilities. also this study is to provide the information needed to activate evidence-based instruction strategies related to transition education. In order to achieve the purpose of the study, we conducted questionnaires on special teachers working in secondary schools and special schools in Daegu, Gyeongbuk and Pusan area. The research tool was designed to investigate the self-efficacy, positive factor, interference factor, and attitude factor questionnaire used by Chan, Bezyak and Lui (2013) Revision. The results of the study show that teachers are aware of evidence-based instruction strategies related to transition education, which is relatively higher than normal in self-efficacy, very high in positive factors, and moderate in interference and attitude factors. In terms of the effect on the positive factors, factors influencing the positive factors on the transition education evidence-based instruction strategies were attitude factors and self-efficacy.

      • KCI등재

        전환교육 직무수행능력 기준에 대한 교사의 실천능력 및 학교의 지원역량에 관한 연구

        박정식 ( Park Jung-sik ) 대구대학교 특수교육재활과학연구소 2017 특수교육재활과학연구 Vol.56 No.3

        이 연구는 미국특수교육협회(CEC, 2013)에서 제시된 전환교육 전문가에게 요구되는 수행능력 기준을 기초하여 표준화 과정을 거쳐 마련된 전환교육 전문가에게 요구되는 직무수행능력 기준(박영주, 2017)에 대해 교사들이 어느 정도 학교에서 실천능력을 가지고 있는지 조사하고, 학교가 교사들의 전환교육 직무수행능력에 대한 실천능력을 발휘하는데 어느 정도 지원역량을 갖추고 있는지 밝히는데 연구의 목적을 두었다. 연구의 목적을 이루기 위해 대구, 경북 지역의 특수학교에 근무하는 교사를 대상으로 무선할당 방법으로 설문조사를 실시하였다. 연구결과는 다음과 같다. 첫째, 전환교육 직무수행능력 기준에 대한 교사의 실천능력 수준에 대해서, 교사들은 전환교육 전문가들에게 요구되는 직무수행능력 7개 영역 61문항 기준에 대한 실천 정도는 평가, 교육과정 콘텐츠 지식, 프로그램 서비스 결과, 전문성과 윤리영역에서 보통 보다 약간 높은 실천을 하고, 연구와 조사, 리더십과 정책 영역에서는 보통 보다 약간 낮은 실천을 하고 있다. 교사의 실천능력의 차이에서는 성별에서 남자교사가, 담당학급에서 전공과와 중등담당교사가, 경력과 연령에서는 경력과 연령이 높은 교사가, 소지자격에서는 특수직업교사가 실천능력이 높았다. 둘째, 전환교육 직무수행능력 기준을 실천하는데 학교의 지원역량 수준에서, 교사들은 학교의 지원역량 수준을 높게 인식한다. 14개의 학교의 지원역량 가운데 전환교육 직무수행능력 실천의 가치 인식, 지역사회 중심 전환교육 프로그램의 중요성 인식, 그리고 학교장의 전환 프로그램 중요성 인식이 가장 높게 인식하고 있다. 셋째, 학교의 지원역량이 전환교육 직무수행능력의 실천에 얼마나 영향을 미치는지에 관한 부분에서, 학교의 지원역량과 교사의 실천능력 간은 다소 높은 상관관계를 가진다. 영역별로는 프로그램 서비스 결과 및 교육과정 콘텐츠 지식과는 높은 상관을 가진다. The purpose of this study is to investigate the degree of practical ability of teachers in terms of job performance standards required to transition specialists and to clarify the extent to which the school has the capacity to support the practical abilities of teachers. In order to achieve the purpose of the study, we conducted a questionnaire survey for teachers working in special schools in Daegu and Gyeongbuk provinces. The results of the study are as follows. First, regarding the level of teacher 's ability to perform the transition education job performance standard, the teachers showed that the degree of practice on the job performance required for the transition education specialist was slightly higher than usual in the area of evaluation, curriculum contents knowledge, program service results, professionalism and ethics, and in the areas of research and research, leadership, and policy, they are practicing slightly lower than usual. In the difference of practical ability of teachers, male teachers in gender, post-class teachers and secondary teachers in charge class, teachers with higher career and age in career and age, and special vocational teachers in possession, the ability to practice was high. Second, at the implementing capacity level of the school, teachers recognize highly the level of implementing capacity of the school. Among the 14 implementing capacities, recognition of the value of the transition education job performance ability, awareness of the importance of the community-centered transition education program, and recognition of the importance of the transition program of the school principal are recognized the highest. Third, there is a somewhat higher correlation between the implementing capacity of the school and the practical ability of the teachers in terms of how the school 's implementing capacity influences the performance of the transition education. There is a high correlation between program service results and curriculum content knowledge.

      • KCI등재
      • 중국비즈니스 실무자 양성을 위한 전문대학 교육방향

        박정식 ( Jung-sik Park ) 한국고등직업교육학회 2004 한국고등직업교육학회논문집 Vol.5 No.3

        The major goal of China business department in college is to train businessmen who has ability for Chinese language and business. The major course is composed of Chinese, China Business, and ManagementㆍTrading. The purpose of this study is to investigate the weight of courses of China related departments and to survey the opinion of the experts in Chinese, China economy, and China business area to find the proper way of direction of college education, The result shows that the weight of Chinese, China Business, and ManagementㆍTrading are 52.2%, 26.5%, 21.3% respectively, Students have to get HSK 3~5 grade forth as a premise. According to this results, if there are 20 hours in a week every semester, it will be suitable to give 10~11 hours to Chinese, 5 ~6 hours to China Business, and 4~5 hours to ManagementㆍTrading.

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