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        검색결과 1

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        2021.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The security accidents occurring in ships and at seas and ports became very serious, and in particular, the maritime terrorism and abduction by pirates have emerged at the international level as a problem. The international maritime organization (IMO), accordingly, entered into such forces as the SOLAS chapter and measures in order to reinforce the maritime security and the security for ships and port facilities in 2004. In this study, the JDS-S4 improved as an oriented speaker to reinforce the ship security by enabling the clear communication even at long distance was tested by using the conducted emission test(CE101) and a standard test of the US military standard (MIL-STD-461F). Also, the result of this study was shown to satisfy the standard.
        4,000원