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Bd1 减小使用热释电探测器的活动热目标检测装置虚警率的有效方式靖少波(电子部53所)本文通过对热释电探测器的脉冲辐射输入响应的分析,从理论模型及实验上得出了热释电探测器脉冲响应输出形式。根据这一输出形式说明了通常活动热目标检测装置(如红外防盗报警器等)中信息处理方式的弱点,提出了一种较佳的处理方式。并从理论及实验上说明了这一处理方式的优越性。最后给出了实际应用电路的电原理图。通过使用热释电探测器进行活动热目标检测可以省去一套较为复杂的光学调制系统。它
Bd1 An Effective Way to Reduce False Alarm Rate of Hot Target Detection Device Using Pyroelectric Detector’s Activity By analyzing the pulse radiation input response of a pyroelectric detector, Experimental results obtained pyroelectric detector pulse response output form. According to this output form, it shows the weakness of the information processing method in the usual active thermal target detection device (such as infrared burglar alarm), and proposes a better processing method. It shows the superiority of this method from theory and experiment. Finally, the circuit diagram of the actual application is given. The use of pyroelectric detectors for active thermal target detection eliminates the need for a more sophisticated optical modulation system. it