被动红外探测器：PIR（Passive infrared detectors）采用被动红外方式，已达到安保报警功能的探测器。被动式红外探测器主要由光学系统、热释电传感器（或称为红外传感器）及报警控制器等部分组成。探测器本身不发射任何能量而只被动接收、探测来自环境的红外辐射。一旦有人体红外线辐射进来，经光学系统聚焦就使热释电器件产生突变电信号，而发出警报。
传统被动红外探测器容易受到环境温度，环境光线强度影响，误报率高。
The origin passive infrared detectors is easily jammed by factors such as environmental temperature and environmental light intensity.
下面针对上述的被动红外探测器的缺点，结合PARADOX枫叶的红外探测技术，进行详细分析。
Following the above shortcomings passive infrared detector, combining PARADOX Maple Leaf infrared detection technology for detailed analysis.
在电子防盗探测器领域，被动红外探测器的应用非常广泛，因其价格低廉、技术性能稳定而受到广大用户和专业人士的欢迎。
In the area of electronic security detectors, passive infrared detector is widely used because of their low cost, technical performance and stability of by users and professionals welcome.
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