Airport management, in common with others involved in the operation of elements of the civil air transportation system, are required to take measures that will provide a high level of protection of buildings and equipment (including aircraft), in addition to ensuring the safety and personal security of passengers and staff using the system. This must be done in manner that disturbs the normal ope
approach, can a security system's strengths and weaknesses be evaluated. Alterations in major policy direction are by a continuous situation assessment of the changing security climate. Factors that can radically alter the security threat in a particular country or at a particular airport are political agitation or unrest and widespread publicity of other security incidents. Figure 1.2 indicates
1. RADAR의 정의
① 전파의 발사로 물체에서 반사되는 반사파를 이용하여 목표물의 존재와 그 거리를 탐지하 는 무선감시장치
② 송신기에서 매우 짧은 시간에 발생시킨 마이크로파 또는 밀리미터파를 날카로운 지향성을 가진 안테나로 목표물에 발사하고, 그 반사파를 수신하여 브라운관에 도형을
방위각도,활공각도 및 위치정보를 제공하는 시설 : ILS)
⑥ RADAR시설 (항행중인 항공기에 위치정보를 제공하는 시설: ASR, ARSR, PAR 및 SSR)
⑦ 전술항법무선표지시설(항행중인 항공기에 위치정보를 제공하는 시설 : TACAN)
Ⅱ RADAR 시설
1. RADAR 시설
RADAR는 RAdio Detection And Ranging의 약자로서 2차 세계대전
addict ratio – 14.4%
- 2007 Center for internet addiction
1. Psychological (or pathological) approaching method
- Causes of Internet addiction
Low self-esteem
Undeveloped self-control (mainly related to age)
2. Social support approaching method
- Causes of Internet addiction
Social factors
Whether people have some social support for control of Internet use