一、概述传感器技术已经被人们应用到各个领域,在安防领域的应用也是越来越广泛。近年来,随着安防行业的迅速发展以及机场对安防等级要求的不断提高,周界防范技术在机场的应用和需求也明显增长。周界报警信息系统所涉及的电子技术面较广,从传统的摸拟技术到先进的数字技术,从普 First, an overview Sensor technology has been applied to all areas of people in the field of security is also more and more widely used. In recent years, with the rapid development of the security industry and the continuous improvement of the security level required by the airport, the application and demand of perimeter defense technologies at the airport have also increased significantly. Perimeter alarm information system involves a wide range of electronic technology, from the traditional simulation technology to advanced digital technology, from the Cape