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.

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因此，确保结构系统在强风期间的安全性与舒适性是一个重要的设计目标。

So, the assurance of safety and serviceability of tall building under strong winds is an important design objective.

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该论文首先给出加密卡安全应用开发与设计体系结构。

This paper at first gives encryption card architectures of development and design of security applications.

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