说明：  被动红外传感器开关，自动感应人的存在开关电器（如路灯等设备）程序处理传感器采集的信号并滤波后执行相应动作
(Passive infrared sensor switch, auto-sensing electrical switch of human existence (such as street lamps and other equipment) procedures deal with the sensor signal acquisition and filtering after the implementation of the corresponding action)