查询词典 sensor

In order to provide fast authentication between two nodes in wireless sensor networks, an ID-based key predistribution scheme for wireless sensor networks is proposed.

为了在无线传感器网络中提供节点之间的快速认证，提出了一种基于ID的无线传感器网络密钥分配协议。

According to the structural characteristics of Wireless Sensor Network,a novel range-free and distributed positioning algorithm is proposed based on anchor's sectored antenna and sensor's omnidirectional antenna.

基于锚节点装配的扇区天线和普通节点装配的全向天线，提出了一种非测距分布式节点定位算法。

The device includes a beam; at least one beam support mounted on the beam; a sensor assembly slidably connected to said beam and adapted for measuring the distance to the surface; and a transducer assembly adapted for measuring the position of said sensor assembly along said beam.

该装置包括：梁；至少一个梁支撑件，其安装在所述梁上；传感器组件，其与所述梁可滑动地连接并且适合于测量与所述表面的距离；以及变换器组件，其适合于测量所述传感器组件沿着所述梁的位置。

This system consists of gas sensors, infrared sensor, televox body sensor, door magnetic switch components.

该系统由煤气传感器，人体红外传感器，声控传感器，门磁开关等部分组成。

Analyzing the heat transfer of thermometric sensor for liquid steel,a relevant finite element model is developed for the sensor.

在分析钢水测温传感器传热过程的基础上，建立了测温传感器的有限元模型。

The static and dynamic characteristics of the sensor have been tested and results show that the designed sensor can efficiently detect torques.

实验论证了传感器的基本特性，结果表明传感器具有检测扭矩的能力。

Particularly, the neutral anion fluorescence chemical sensor uses cholic acid molecules as the molecule frame, and introduces a neutral thiourea or ureido to the positions of a 3 bit carbon atom and a 24 bit carbon atom to be used as a bonding unit; a fluorescence chemical functional group is introduced to the positions of the 3 bit carbon atom and the 24 bit carbon atom or to other positions and used as a signal unit, and then a neutral anion fluorescence chemical sensor is synthesized.

具体而言是以胆酸分子为分子骨架，在其3位碳原子和24位碳原子上引入中性硫脲或脲基，作为键合单元；在3位碳原子和24位碳原子上或其他位置引入具有荧光化学官能团，作为信号单元，合成中性阴离子荧光化学传感器。

The optimal parameters for catalytic reaction of LiP or MnP on theelectrode in electrochemical enzyme sensor are obtained,which are pH of4.2,H_2O_2 concentration reaching 0.1875 mM,0.25 mM hydroquinone and 6mM veratryl alcohol.In the optimal reaction system,LiP and MnP aredetermined exactly by the sensor.

实验确定了电化学酶传感器裸玻碳电极对LiP、MnP体系的催化反应的响应最为灵敏且电流变化较大的最适pH值(pH4.2)、H_2O_2(0.1875 mM)、对苯二酚(0.25 mM)、藜芦醇(6 mM)含量等参数，在该反应条件下传感器能准确测定LiP、MnP。

In this paper, we put the mathematical model for warless transmitting consumption forward by analyzing nod\'s inner structure, communicational way and coverage on account of impulsions on nod\'s consumption.we discuss and compare some typical Middle Access Control algorithms and protocols in sensor networks, analyze the present problems about power-saving algorithms, protocols and problem been not still dealt, which is all based on considering and analyzing key techniques in energy-saving, such as power-saving in single sensor, data fusion and power-saving algorithms in crossing layers.

在对传感器网络关键节能技术，诸如单节点节能技术、数据融合技术以及垮层节能算法总结的基础上，着重讨论和比较了传感器网络中几类经典的媒体访问控制算法、协议；分析了目前无线传感器网络节能算法、协议和策略亟待解决的问题。

As macromolecule capacitance type of sensor, humidity sensor possesses the traits of completely interconvert, high reliability and long time stability, speedy response.

湿度传感器为高分子电容式传感器，特点是具有不需校准的完全互换性，高可靠性和长期稳定性，快速响应时间。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。