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- Passive infrared detection probe is on the infrared emission and body to work. 被动红外探头是靠探测人体发射的红外线而进行工作的。
- Passive infrared penetration is poor, the human body easily block the infrared radiation not be receiving probe. 被动红外穿透力差,人体的红外辐射容易被遮挡,不易被探头接收。
- Alter 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。
- 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。
- 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。
- Therefore, the combination of the following products on the technical characteristics of passive infrared probe on the latest technology. 所以,下面就结合该产品的技术特性来阐述被动红外探头的最新技术。
- Following the above shortcomings passive infrared detector, combining PARADOX Maple Leaf infrared detection technology for detailed analysis. 下面针对上述的被动红外探测器的缺点,结合PARADOX枫叶的红外探测技术,进行详细分析。
- The passive infrared detectors used for automatic switching could not be adjusted finely enough for the level of control desired, and may be incompatible with the light sources. 用于接通自动地面接收机终端的被动红外线探测器不能被调整足够好对于预期的控制的水平来说，并且可能与光源不能协调。
- In the area of electronic security detectors, passive infrared detector is widely used because of their low cost, technical performance and stability of by users and professionals welcome. 在电子防盗探测器领域,被动红外探测器的应用非常广泛,因其价格低廉、技术性能稳定而受到广大用户和专业人士的欢迎。
- In this case, temperature, atmospheric pressure and humidity sensors record microenvironmental conditions, while passive infrared sensors detect the presence of warm birds and eggs. 在海燕研究中，温度、大气压力与湿度感测器可记录微环境的状况，而被动式红外线感测器则可侦测温暖的鸟类与卵。
- Passive infrared detection of new technical note 被动红外探测新技术说明
- Passive infrared probe of the working principle and 被动红外探头的工作原理及特性
- Passive Infrared Confirming Sensor 被动式红外核实传感器
- Passive Infrared Intrusion Detector 无源红外干扰探测仪
- Passive Infrared Night Equipment 无源红外线夜视设备
- Pyroelectric passive infrared sensor 热释电传感器
- passive infrared night vision sight 被动红外夜视仪
- He played a passive role in the marriage. 他在婚姻中扮演了一个被动的角色。
- He had a passive expression on his face. 他脸上有一种漠然的表情。
- In spite of my efforts the boy remained passive. 尽管我努力，那男孩还是不起劲。
