Evolution of the port
This table shows the evolution of the port over time from 19th century to early 21st century.
Stage 1: Until up to the mid 19th century, the main function of the port was general cargo handling, storage, and trade. Since there was no interactive service with other ports or terminals during this period, the scale of the port was considered as ‘port city’. In that t
Ⅲ. 통신응용 기술
● Sound Code(음파 내 데이터코드 인코딩 기술)
-기술소개 : 오디오 콘텐츠에 부가적인 데이터를 삽입해 스피커로 재생함으로써, 스마트 폰으로 해당 음파의 내용을 인식해 데이터를 검출 할 수 있는 음파 통신기술이다.
-특징 : 사람이 인식할 수 없는 신호를 보냄으로써, 스마트 폰
Executive Summary
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