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통계 및 프리커서 방법을 이용한 제23주기 태양활동예보
장세진,김갑성,JANG SE JIN,KIM KAP-SUNG 한국천문학회 1999 天文學論叢 Vol.14 No.2
We have made intensive calculations on the maximum relative sunspot number and the date of solar maximum of 23rd solar cycle, by using the statistical and precursor methods to predict solar activity cycle. According to our results of solar data processing by statistical method, solar maximum comes at between February and July of 2000 year and at that time, the smoothed sunspot number will reach to $114.3\~122.8$. while precursor method gives rather dispersed value of $118\~17$ maximum sunspot number. It is found that prediction by statistical method using smoothed relative sunspot number is more accurate than by any method to use any data of 10.7cm radio fluxes and geomagnetic aa, Ap indexes, from the full analysis of solar cycle pattern of these data. In fact, current ascending pattern of 23rd solar cycle supports positively our predicted values. Predicted results by precursor method for $Ap_{avg},\;aa_{31-36}$ indexes show similar values to those by statistical method. Therefore, these indexes can be used as new precursors for the prediction of 23rd or next solar cycle.
외식 기업확장시 모 브랜드 지식과 확장브랜드 태도 및 행동의도에 미치는 영향 - 브랜드 가치지각의 매개효과 -
장세진 ( Jang Se-jin ),고재윤 ( Ko Jae-youn ) 한국호텔리조트학회(구 한국호텔리조트카지노산학학회) 2020 호텔리조트연구 Vol.19 No.1
The purpose of this study was to investigate the effect of parent-brand knowledge, extended brand attitude and behavioral intention when expanding the Foodservice Enterprise, and to identify the role of brand perceived value between parent-brand and extended brand. Five companies and extended brands were selected and researched with consumers who had experience in using them. The analysis was carried out using multiple regression analysis and stepwise regression analysis after analyzing the reliability and validity of each factor using SPSS 22.0 it was. As a results, parent-brand knowledge had a positive significant on extended brand attitude, and extended brand attitude had a positive effect on behavioral intention. Furthermore, Brand perceived value was found to have a mediating effect between parent-brand knowledge and extended brand attitude. Such integrated results are expected to help the successful research for strategies for expansion of the Foodservice Enterprise.