本文介绍了一种集在线式巡逻管理、门禁和报警功能于一体的安全防范系统。
This article introduces a safety guard system with functions of online patrol management, access control and alarm monitoring.
文中讨论利用FPGA设计的用于安全防范的报警系统，讲述系统的原理与结构，给出VHDL的模块设计。
An alarm system for security guarding designed with FPGA is discussed in this thesis, and the theory and structure as wall as the design for VHDL module are also given bellow.
而由于随着人们生活水平的提高和安全防范意识的增强，有关仓库、办公室、家庭等处的安全防范和自动报警系统的开发研制日益被种明单位和生产厂家所重视。
More and more people take seriously in the research of the automatic alarm system and safety equipment when the ever increasing life conditions and the protected consciousness.
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