被动式红外传感器是用来检测对象的存在或占用。
PIR Sensors are used to detect the presence or occupancy of an object.
强度像、距离像与被动红外融合时的检测性能最高，从而验证了长波红外主被动复合成像的优越性。
The performance of jointing intensity image, range image and passive infrared image was the best, so the superiority of long-wavelength infrared active and passive images could be proved.
为了避免此类事故，根据红外检测原理研制了被动式红外探测报警系统，以此对矿车里的人体目标进行检测，并作出声、光报警。
In order to avoid such accident, a warning system using passive infrared target detection was developed. It can search body targets in the mine cars and give sound and light warning as well.
被动式运动传感器，也称为PIR(被动式红外线)传感器，通常用于能够检测人体热量的安全灯。
Alternatively passive motion sensors, also known as PIR (passive infrared) sensors are typically used on security lights which detect the heat of a human body.
被动式运动传感器，也称为PIR(被动式红外线)传感器，通常用于能够检测人体热量的安全灯。
Alternatively passive motion sensors, also known as PIR (passive infrared) sensors are typically used on security lights which detect the heat of a human body.
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