主要原理是：人体发射的10μm左右的红外线通过菲涅尔滤光透镜增强后聚集到热释电元件PIR(被动式红外)探测器上，当人活动时，红外辐射的发射位置就会发生变化，该元件就会失去电荷平衡，发生热释电效应向外释放电荷，红外传感器将透...
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被动式红外探测器 Passive Infared Detector ; PIR ; Pa iveInfaredDetector
被动式红外装置 passive infrared equipment
被动式红外自动导向头 passive infrared homing head
被动式红外线感应器 PIR sensor
为了提高被动式红外 PIR
被动式红外传感器是用来检测对象的存在或占用。
PIR Sensors are used to detect the presence or occupancy of an object.
提出了一种被动式红外动态图像生成技术及相关装置。
A passive dynamic infrared generating technique as well as a related device was presented.
本文介绍了主、被动式红外报警器应用现状及其市场分析。
In this paper, the present application status of infrared passive-active alarm is generally described, and their market is analysed.
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