Question

麻烦哪位朋友帮忙把下面这短话翻译成英文，在下谢过了

该报警器能探测人体发出的红外线，由红外线传感器、信号放大电路、电压比较器、延时电路和音响报警电路等组成。当人进入报警器的监视区域内，即可发出报警声，适用于家庭、办公室、仓库、实验室等比较重要场合防盗报警。概述了红外辐射的知识、热释电红外传感器的结构和工作原理。利用热释电红外传感器设计了一种被动式红外报警电路,分析了该电路的功能和工作原理。热释电红外传感器具有很多的优点,在防盗、警戒等装置中应用较广。
关键词：红外线 热释电效应 菲涅尔透镜

Answer 1

This alarm detects a human body the infrared, and by infrared sensors, signal amplifier circuit, voltage comparator delay circuit and acoustics, alarm circuit etc. When people enter the alarm surveillance area, can alarm sound, suitable to family, office, warehouse, laboratory, are important occasions security alarm. Summarizes the infrared radiation of knowledge, pyroelectric infrared sensor structure and work principle. Pyroelectricity infrared sensor design, a passive infrared alarm circuit, analyzed the function and working principle of the circuit. Pyroelectric infrared sensor has a lot of advantages, in security, alert in the device such as are widely used.

Keywords: infrared pyroelectric Fresnel lens effect