• Journal of the Korean Professional Engineers Association
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• v.25 no.3
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• pp.76-84
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• 1992

• Information and Communications Magazine
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• v.18 no.6
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• pp.119-125
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• 2001

1990년 초반부터 송신 다이버시티에 대한 연구가 있어 왔다. 1990년 후반부터는 송수신 다이버시티에 대한 실용적인 결과가 부호 이론과 접목이 되면서 나오기 시작한다. 그 중에서 매우 유용한 결과인 Space-Time 부호에 대하여 다룬다. 본 논문에서는 직교 Space-Time block code. Layered Space-Time processing, 그리고 Space-Time trellis Coding의 세 가지로 분류하여 내용을 정리한다.

• Journal of the Korean Professional Engineers Association
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• v.36 no.6
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• pp.72-77
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• 2003

The Royal Observatory Is the Prime Meridian of the world and of Greenwich Mean Time. All time and space is measured relative to Longitude Zero1000" 00' 00" )which is defined by the crosshairs of the great Transit Circle telescope in the Meridian Building of the Observatory Greenwich Mean Time. GMT is the basis for the international Time Zone System

• The monthly packaging world
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• s.114
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• pp.141-147
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• 2002

• Agribusiness and Information Management
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• v.7 no.2
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• pp.1-11
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• 2015

This study has performed a comparative analysis between groups based on Time To First Fixation, Fixation Duration, Fixation Count and Total Visit Duration, which are eye-tracking analysis indicators on what visual attention is shown compared to the e-magazine produced as regular images related to e-magazines in which experiment subjects have applied cinemagraph images as eye tracking research on the e-magazine produced with cinemagraph images and e-magazines produced with regular images. The experiment sample used e-magazines composed of nine pages while AOI (area of interest) has been set up on each page by classifying image and text regions. A combined 30 people took part in the experiment, which was performed by randomly assigning 15 to the experiment group and 15 to the control group. According to the results of the analysis, the experiment group recorded a shorter time than the control group on the e-magazine produced with cinemagraph images through Time To First Fixation. Though no significant difference was found between the experiment and control groups in Fixation Duration, a substantial difference did appear between Fixation Duration and Total Visit Duration.

• International Journal of Human Ecology
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• v.8 no.2
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• pp.127-139
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• 2007

The purpose of this study is (1) to investigate how women's visual images in cosmetic magazine advertisements have changed over time and (2) to examine whether women's images in advertisements have changed in regards to the symbolic ambiguity of dress and appearance styles according to the time period. Social identity theory was used as the theoretical framework to understand the change of gender identity and physical appearance. The two magazines of Vogue and Working Woman were selected for the years of 1981, 1991, and 2001. The findings of the study showed that women's make-up colors portrayed in cosmetics magazine advertisements changed from artificial to natural over 20 years and messages in cosmetics magazine advertisement changed from a focus on attractiveness to a focus on skin-care and health. However, appearance styles of women in the advertisements analyzed were predominantly more feminine than masculine for the entire time period studied.

• 시스템엔지니어링워크숍
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• s.2
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• pp.29-44
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• 2003

• The monthly packaging world
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• s.115
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• pp.146-151
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• 2002

• Journal of the Korean Professional Engineers Association
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• v.21 no.3
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• pp.24-30
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• 1988

• the USERS
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• s.47
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• pp.60-61
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• 2006