文件名称:design_an_optical_alarm_system
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使用热释电器件作为红外被动接收系统，当感受到探测区域内有人活动时，接收系统带动后继电路发出报警信号。
要求系统在给定器件和环境的条件下，作用距离尽可能远
-The use of electrical items as pyroelectric passive infrared receiving system, when the region was felt to detect when the receiving system driven alarm signal issued subsequent circuit. Requirements of the system in a given device and the environment conditions, the role of distance as far as possible
要求系统在给定器件和环境的条件下，作用距离尽可能远
-The use of electrical items as pyroelectric passive infrared receiving system, when the region was felt to detect when the receiving system driven alarm signal issued subsequent circuit. Requirements of the system in a given device and the environment conditions, the role of distance as far as possible
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光电子技术课程设计报告1.doc