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TV용 탄성표면파 필터의 개발 II-회절 영향 보상방법
김진하,남정현,박송배,Kim, Jin-Ha,Nam, Jeong-Hyeon,Park, Song-Bae 대한전자공학회 1984 전자공학회지 Vol.21 No.5
SAW필터에서 변환기의 구경 (aperture)의 크기를 작게 하면 화질의 영향이 크게 나타나게 되어 트랩(trap)부근에서 주파수 특성이 크게 손상된다. 회절의 영향을 해석할 수 있는 컴퓨터 시뮬레이션 프로그램이 작성되었으며 회절의 영향이 큰 SAW필터에 적용될 수 있는 회절보상방법이 제안되었다. 이를 TV중간주파 필터에 적용하여 실험적으로 유용성을 확인하였다. In SAW filters with a small aperture, diffraction effect is not negligible and degrades the frequency response near the trap. A computer simulation program for diffraction analysis is developed, and an effective diffraction compensation method is proposed to compensate the diffraction effect. A TV-lF SAW filter was designed with the diffraction taken account by the proposed method, which satisfies given frequency specifications.
태권도 품새 선수들의 자기관리와 스포츠자신감 및 스포츠대처의 관계
곽정현(Jeong Hyeon Kwak),송남정(Nam Jung Song) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.48
The purpose of this study is Taekwondo athletes` self-confidence in sports management and sports in the future to cope with the impact analysis Poomsae athletes training and psychological support can do in the game to provide basic data and the need for research aimed at the study conducted on the basis of the results were summarized as follows. First, Taekwondo players` self-management and confidence in Sports, Sports correlation of avoidance coping in self-management to start taking care of oneself, training, management and social support in confidence except for the rest of the factors and the negative correlation was seen expressing one`s emotions management negative correlation in interpersonal management, avoidance and logical analysis, static correlations were seen, most of the remaining factors, positive correlation for each factor were found. Second, self-administration sport of Taekwondo player confident in the ability to impact both proven and proven interpersonal and social management, psychiatric management had a positive effect. Finally, self-management of the sport of Taekwondo athletes in coping with impact of avoiding the negative impact of the interpersonal management, training management was having a positive effect, accident control, logical analysis, mental management, and to start taking care of yourself, training management, mental management in shaping, premiered mental management and training in management, administration and mental relaxation to manage the interpersonal influence was static, expressing emotions in interpersonal management was influenced in the negative.
대학생 태권도 선수의 스트레스 대처방식과 인지된 경기력의 관계에 대한 다집단분석 : 겨루기와 품새를 중심으로
송남정 ( Song Nam-jeong ),곽정현 ( Kwak Jeong-hyeon ) 국기원 2022 국기원태권도연구 Vol.13 No.2
목적 이 연구는 스트레스 대처방식과 인지된 경기력의 관계를 검증하고, 다집단분석을 통해 세부종목 즉, 겨루기와 품새 종목에 따른 영향력의 차이를 분석하여 차후 태권도 종목별 선수들의 스트레스 대처를 위한 기초자료 제공에 연구의 필요성 및 목적이 있다. 방법 연구 참여자는 대학교 태권도 선수인 겨루기 251명, 품새 239명이었다. 수집된 자료는 기술통계, 상관관계, 구조방정식분석 그리고 다집단분석을 실시하였다. 결과 첫째, 스트레스대처방식의 문제중심적 대처, 정서중심적 대처는 인지된 경기력에 양(+)적 영향을, 소망추구적 사고는 부(-)적 영향관계가 있었다. 둘째, 스트레스대처방식과 인지된 경기력과의 관계에서 태권도 품새선수와 겨루기선수의 다집단분석을 실시한 결과, 소망추구적 사고에서 집단 간의 차이가 분석되었다. 결론 겨루기와 품새 종목의 스트레스 대처가 인지된 경기력에 미치는 영향에 큰 차이를 보이고 있지는 않지만 전 세계적으로 평준화되어 가고 있는 기술력에서 우수한 경기 결과를 얻기 위해서는 각 종목이 요구하는 스트레스 대처의 이해를 통한 합리적인 방안으로 지도할 필요가 있을 것이다. Purpose The necessity and purpose of this study was to verify the relationship between stress coping methods and perceived performance, analyze the difference in influence according to Kyeorugi and Poomsae events through a multi-group structural modeling analysis, and provide basic data for athletes’ stress coping on the future. Method Participants in the study were 251 in Kyeorugi and 239 in Poomsae. They were all University taekwondo athletes. Collected data were analyzed by using descriptive statistics, correlation, structural equation model analysis, and multi-group structural modeling analysis. Results First, the problem-oriented coping and the emotion-oriented coping of stress coping methods had a possitive(+) effect on perceived performance, and wish-seeking thinking had a negative(-) effect. Second, as a result of conducting a multi-group analysis of Taekwondo Poomsae athletes and Kyeorugi in the relationship between stress coping methods and perceived performance, differences between groups were analyzed in wish-seeking thinking. Conclusion Although there is no significant difference in the effect of coping with stress in Kyeorugi competition and Poomsae competition on perceived performance. But in order to obtain the excellent results in technology that is being leveled around the world, it will be necessary to guide them as a reasonable way through understanding the stress response required by each event.