• Journal of the Society of Disaster Information
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• v.9 no.4
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• pp.423-428
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• 2013

This study aims at countering terror. So, this study explores an implication to Korea through the countermeasure of Japanese organizational direction to countermeasure. As a result, first, some countermeasures on IED need to be sought. Second, a chance of domestic terrorism growing should be checked. Third, safety of major facilities needs to be saught. Finally, Public Service System on Education and Information for Counterterrorism must be built.

• Korean Security Journal
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• no.2
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• pp.61-81
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• 1999

While the progress of preparation for the 2002 World Cup games goes on the environment is changing by industrializations development of science and specialization of technology, because of that recently the crime has also became intellectual so the importance on countermeasure of safety has raised. The countermeasure for safety The stadium is a limited space where amount of population could be concentrated, so that in a moment there could be a great casualties by terrorism, specially there should be efficient countermeasures for bomb terrorism. So to be prepared for the problems that had been appeared on bomb terrorism activities of North Korea around the world, we should know about the inspection environment and special inspection environment, and for the prevention first of all I've studied on suitable way to inspect the stadiums secondly to plan on specialized training of the necessary personnel on inspection and finally efficiency of use on inspection equipment. With there following plans we could make perfect safety countermeasures focused on prevention for the successful World Cup games.

• Transactions of the Korean Society of Automotive Engineers
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• v.10 no.6
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• pp.1-10
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• 2002

As the preliminary stage for the countermeasure of thermal loading in miller cycle engine, coolant flows in the cylinder head of base engine including exhaust valve bridge were visualized and analyzed by using PIV technique. It was found that low coolant velocity regions were around exhaust valve bridge, around which stagnation of the coolant flow was observed due to the complex geometry configuration of water jacket. And velocity variation between each cylinder was remarkable. For the countermeasure of these, it is necessary to enhance coolant flow around exhaust valve bridge and to improve the deviation of coolant flow between each cylinder.

• Proceedings of the IEEK Conference
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• 2000.07b
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• pp.1059-1062
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• 2000

Infrared (IR) seeker identifies the location of a target by detecting the infrared energy radiated from the target, and enables the missile to track the target. To improve the tracking performance, a counter- countermeasure (CCM) is essential to minimize the effect of the countermeasure (CM), which is operated by a target to protect itself. In this paper, we propose a crossed array tracker (CAT) using two-color CCM algorithm. The CAT using the proposed algorithm shows better tracking performance by minimizing the effect of CM.

• Journal of the Korea Institute of Military Science and Technology
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• v.15 no.4
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• pp.410-416
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• 2012

In recent years, unmanned underwater vehicles(UUVs) have emerged as viable technical solution for conducting underwater search, surveillance, and clearance operations in support of mine countermeasure missions(MCMs) because of her autonomy and long time endurance capability. It is necessary for UUV for MCM system design to define system specification from various configuration alternatives. This paper introduces a simulation model for mine countermeasure mission effectiveness analysis and presents some simulation results under various tide conditions for validation of the proposed simulation model.

• Journal of Communications and Networks
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• v.10 no.4
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• pp.437-443
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• 2008

The randomized projective coordinate (RPC) method applied to a pairing computation algorithm is a good solution that provides an efficient countermeasure against side channel attacks. In this study, we investigate measures for increasing the efficiency of the RPC-based countermeasures and construct a method that provides an efficient RPC-based countermeasure against side channel attacks. We then apply our method to the well-known $\eta_T$ pairing algorithm over binary fields and obtain an RPC-based countermeasure for the $\eta_T$ pairing; our method is more efficient than the RPC method applied to the original $\eta_T$ pairing algorithm.

• 한국방재학회:학술대회논문집
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• 2008.02a
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• pp.565-568
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• 2008

This study area, Sanbang mountain located in southern part of Jeju island, is famous for its scenic with increasing foreigners and visitors. However, rockfall frequently occurred because of the meteorological characteristic and geological features with trachyte, a sort of volcanic rock, is distributed through Sanbang mountain area and also additional rockfalls are being existed all the time. Therefore this research is to see reasonable countermeasure against rockfall with the subject of a roundabout way of Sanbang mountain, through field investigation and following analysis.

• Proceedings of the KIEE Conference
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• summer
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• pp.208-210
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• 2004

This paper presents harmonic countermeasure establishment considering the influence of the communication obstacle by harmonic. Generally, We are not considered The communication obstacle in the influence countermeasure. But, In this paper, We used IT that is a communication obstacle exponent and designed a filter that was satisfied IT exponent The filter will minimize the influence of the communication obstacle by harmonic. The method considered IT is applied to design a filter in the area with a communication power supply.

• Journal of the Korean Society of Mechanical Technology
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• v.13 no.1
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• pp.11-16
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• 2011

When the trains are passed the station, a serious force is applied to ground and the caused vibration is propagated to the area of the station by the ground and rocks. The caused vibration brings about the operation interruption of the equipment which is sensitive to the vibration, or will bring about the structural damage of the station. In this study, to investigate the vibrational evaluation of railway station by the train service, the vibration simulation was performed and analyzed the effect of the vibration isolating countermeasure. From the vibration measurement, all trains that passed through the station exceeded the vibration criteria. Therefore, the vibration isolating countermeasure was established and the vibration simulation was performed.

• Journal of Korean Society of Transportation
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• v.26 no.1
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• pp.165-180
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• 2008

The purpose of this research is to propose an effective traffic safety countermeasure to reduce both violations of road traffic acts and accident rates related to the driver's characteristics by measuring them using Q analysis method, a microscopic statistics analysis method. As a result, violators of the road traffic act could be divided into five driving characteristics and causers of traffic accident could be classified into six driving characteristics. By understanding these characteristics, We could establish a proper traffic safety countermeasure for each driving characteristic. The accomplishments of this research are as follows: The first, We could classify the decisive driving characteristics, which cause road traffic acts and traffic accidents, into internal and external causes. The relationship between each driver's characteristic and the occurrence of the road traffic act and traffic accident could be recognized more clearly. We could find the dangerous driver samples who have Accidents proneness. The second, As a result of analyzing the characteristics of these factors, We could sort out and suggest countermeasure for reducing violation of road traffic acts and traffic accidents as a priority countermeasure and complementary countermeasure. Finally, transportation companies most closely related to automobile accidents can judge new personnels on the basis of their driving characteristics before hiring, and also apply this principle to the traffic safety education vigorously.