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A Study on Detection of Underwater Ferromagnetic Target for Harbor Surveillance
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 Title & Authors
A Study on Detection of Underwater Ferromagnetic Target for Harbor Surveillance
Kim, Minho; Joo, Unggul; Lim, Changsum; Yoon, Sanggi; Moon, Sangtaeck;
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Many countries have been developing and operating an underwater surveillance system in order to protect their oceanic environment from infiltrating hostile marine forces which intend to lay mines, conduct reconnaissance and destroy friendly ships anchored at the harbor. One of the most efficient methods to detect unidentified submarine approaching harbor is sensing variation of magnetism of target by magnetic sensors. This measurement system has an advantage of high possibility of detection and low probability of false alarm, compared to acoustic sensors, although it has relatively decreased detection range. The contents of this paper mainly cover the analysis of possible effectiveness of magnetic sensors. First of all, environmental characteristics of surveillance area and magnetic information of simulated targets has been analyzed. Subsequently, a signal processing method of separating target from geomagnetic field and methods of estimating target location has been proposed.
Ferromagnetic Target;Harbor Surveillance;Detection;Exponential Moving Average;
 Cited by
이동형 자기장 유도 통신을 위한 자기장 신호 탐지 기법,김광열;신요안;

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