利用多元相关探测技术实现的红外激光报警装置由光学探测系统、信号放大与处理系统及显示报警系统三部分组成。其中，光学探测系统主要包括光学聚焦系统、多种滤光片及PIN光电二极管等；信号放大与处理系统主要包括阈值发生器、阈值比较器、前置放大器、主放大器、相关处理器、模数转换器及8031单片机等；显示报警系统主要包括声告警器、光显示器及相应的存储电路等。文中还详细介绍了探测器的基本原理，装置的基本结构及其主要技术指标，讨论了其中的技术难点及其相应的解决方法。%This paper presents a new kind of laser warning apparatus using multi-unit interrlated detection technique. The apparatus consistsof three parts: optical receiving system, signal amplifying and controlling system, display and warning system. In detail, optical receiving system is mainly composed of optical focusing system, optical filters and PIN photodiodes. Signal amplifying and controlling system is maingly composed of threshold generator, pre-amplifier,main amplirier, threshold comparator, interrlated controller, A/D converter and 8031 chip microprocessor. the display and warning system is mainly composed of acoustic warning, light display and corresponding memory circuit. Principle of detector, structure and main specifica tions of the apparatus are introduced in detail. Key technologies and corresponding solutions are discussed.
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