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노홍조,강정수,이권하,No, Hong-Jo,Gang, Jeong-Su,Lee, Gwon-Ha 대한전자공학회 1971 전자공학회지 Vol.8 No.5
양산화를 전제로한 계수형계측기로서 4자리표시, 정도 ±0.1% 진치 ±1 digit 이내, 입력 impedance 1000MΩ 이상(1.500V 범위), 측정범위 1mV∼1,000V 4단절환, 자동영점교정으로 저항 및 직류전류 측정기능도 갖춘 Digital Voltmeter를 목표로 이에 적합한 A/D 변환기를 추구하였다. 이 결과 A/D 변환기에서 일어나는 적분 slope의 직선성에 미치는 요인을 해석하여 매우 간단한 회로구성으로도 효과적인 성능을 보장 할 수 있음을 확인하였다. An analog to digital converter Ivhich is applicable to mass production of digital multimeter is developed. The solid state digital instrument has accuracy $\pm$0.1% of feading $\pm$1 digit over 1 mV to 1000 volts with high input impedance and automatic function. All possibility to affect the distortion of A/D converter is tudied. As a result, useful linearity with high temperature stability of integrating waveforms is achieved by the very simplified circuit configuration to assure the proposed accuracy under various ambient condition.
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송순천,김진표,이권노 龍仁大學校 1997 용인대학교 논문집 Vol.14 No.-
The purpose of this study was to test marshal art players' unstable psychological conditions before their competitions. For this purpose, 42 Judo players, 32 Taekwondo players, 21 boxers and 21 wrestlers(total 126 players) who belonged to "Y" university training camp were sampled to be subject to the SCAT test in order to verify the differences of their psychological conditions by grade and event. The results of this study can be summarized as follows ; 1) As a result of testing the hypothesis 1, it was found that there were significant differences of psychological apprehensive conditions before competition among graders. Those freshmen players showed the highest level of apprehension(2.7500), followed by senior, sophomore and junior groups. 2) As a result of testing the hypothesis 2, it was found that there were no signifieant differences of psychological apprehensive conditions before competition among events. The boxers showed the highest level of apprehension (2.6938), followed by wrestlers, Judo players and Taekwondo players. 3) As a result of testing the hypothesis 3, it was found that there were significant differences of psychological apprehensive conditions before competition among events in case of freshmen and junior groups, while there were no significant differences of such conditions before competition among events in case of sophomore and seior groups.
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