passive infrared

Passive infrared ( PIR) intrusion detector is applied in the residence for safety more and more at present.

目前在小区安防中越来越多地使用PIR入侵探测器。

Study of Low-Altitude Surveillance Based on Radar and Passive Infrared Information Fusion

雷达与无源红外信息融合的低空警戒研究

Images rectification in the passive infrared landmine detection system

被动红外探雷系统中的图像矫正

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。

After in-depth structure analysis, a passive infrared sensor ( PIR ) model was presented.

通过对系统的物理结构分析提出了一种被动式 红外传感器 模型.

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.

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。

Human Recognition Based on Passive Infrared Detector

基于被动式红外探测器的人体识别技术研究