查询词典 sensor

In this thesis, a conductometric chemical sensor based on salicylic acid imprinted polymer has been described, which provides the possibility and basis of using the novel P based sensor for determination of the salicylic acid.

合成了以水杨酸分子为模板的印迹高聚物，并将其成功运用于电导型化学传感器的设计和研究。

An allocation optical fiber sensor comprises signal treatment circuit, sensor optical cable, supernarrow wide laser, two detectors, three offsets, four couplers, four wave-length division multiplex, superradiation LED, polarizer and phase adapter, Sagna conoscope and Mach conoscope shares No1 sensitive optical fiber LB with the third wavelength division multiplex through the first wavelength division multiplex, the second wavelength division multiplex shared with the fourth wavelength division multiplex the second sensitive optical fiber to form the hybrid conoscope.

本发明公开了一种分布式光纤振动传感器，由信号处理电路、传感光缆、超窄线宽激光器、两个探测器、三个消偏器、四个耦合器、四个波分复用器、超辐射发光二极管、起偏器和相位调制器组成；在本发明中构成的萨格奈克干涉仪和马赫-泽德干涉仪，通过第一波分复用器与第三波分复用器共用第一敏感光纤L B ，第二波分复用器与第四波分复用器共用第二敏感光纤L C 形成了混合干涉仪。

The conducting polymer Poly 3,4-Ethylene Dioxy Thiophene thin films was prepared by chemical polymerization. Fourier transform infrared and Scanning Electron Microscope were used to characterize its optical property and morphology. A gas sensor using PEDT thin film was fabricated with the assistance of interdigitated electrodes. The sensitivities of the prepared sensor to toxic NO2 and NH3 and its temperature property were studied.

采用化学聚合法制备了导电聚合物3，4-乙烯二氧噻吩膜，利用扫描电子显微镜和傅里叶变换红外光谱法对薄膜的光学成分及形貌进行了分析，采用叉指电极结构研制出了3，4-乙烯二氧噻吩薄膜气体传感器，研究了3，4-乙烯二氧噻吩薄膜气体传感器对有毒气体NO2和NH3的敏感特性以及其自身的温度特性。

The paper discusses the initial disordered wireless sensor networks,establishes some communication model for the nodes,and gives a time-slot assignment algorithm which realizes the time-slot assignment distributedly for 2-hop sensor nodes.

本文针对网络初始阶段混乱无序的情况，建立了初始数据通信模型，进而提出一种时隙分配算法，分布式地实现两跳内节点的时隙分配。

The invention belongs to the fluid measuring technical field and relates to an oil, gas and water three-phase oil well continuous gauging device, which comprises a high-efficient gas-liquid separator; the high-efficient gas-liquid separator is connected with an oil, gas and water three-phase inflowing port; a gas phase outlet of the oil, gas and water three-phase inflowing port is connected with a gas phase measuring pipeline; a gas path temperature sensor, a gas path pressure sensor and a gas path endocone flowmeter with high-frequency differential pressure transmitter are arranged on the gas phase measuring pipeline; a liquid phase outlet of the high-efficient gas-liquid separator is connected with a liquid phase measuring pipeline; a liquid path Coriolis mass flowmeter and a liquid path endocone flowmeter are arranged on the liquid phase measuring pipeline; and the cross section of the pipeline for mounting the liquid path Coriolis mass flowmeter is more than the cross section of the pipeline for mounting the liquid path endocone flowmeter.

本发明属于流体测量技术领域，涉及一种油、气、水三相油井连续计量装置，包括高效气液分离器，高效气液分离器与油、气、水三相流入口相连，其气相出口与气相测量管路相连，在气相测量管路上装有气路温度传感器、气路压力传感器、带有高频差压变送器的气路内锥流量计；高效气液分离器的液相出口与液相测量管路相连，在液相测量管路上装有液路科氏质量流量计和液路内锥流量计，安装液路科氏质量流量计的管路的截面积大于安装液路内锥流量计的管路的截面积。

So, the study in this dissertation focuses on some key points in theuncertainty treatment of mobile robot localization as follows: Combined with the multiple proprioceptive and exteroceptive sensors ofmobile robot MORCS-1, aimed at the drift error of fiber optic gyro as theproprioceptive sensor, the neural network using genetic algorithm as optimaltool is proposed to accomplish the modeling and calibration for temperaturedrift of fiber optic gyro, which can reduce the drift error to the standard outputat constant temperature; and aimed at the noisy disturbance of ranging datafrom the exteroceptive sensor laser scanner, a dynamic adaptive filter isintroduced through the analysis of neighboring ranging data in time and spatialcorrelation to realize the real-time and dynamic filter, which can validly filter the noisy disturbance to meet the requirement of the accurately real-timeobstacle detection in mobile robot navigation.

总结全文，在移动机器人定位的不确定性处理研究中，提出了一些具有一定创新性的方法：结合自行研制的移动机器人MORCS-1系统的多种内外部定位传感器，针对内部本体感受传感器光纤陀螺仪的漂移误差，提出采用基于遗传算法优化的神经网络来对光纤陀螺仪的温漂建模及校准，能够将其温漂变化控制在恒温条件下标准测试输出附近；针对外部环境感知传感器激光雷达测距数据中包含的噪声干扰，考虑移动机器人导航中激光雷达测距数据的时空关联性，提出采用动态自适应滤波技术进行预处理，从而可以有效滤除噪声干扰满足导航中障碍实时精确检测的要求。

It is proved the sensor is fitted to use in detecting antibody-antigen reactions of these diseases. The results of detecting antibody-antigen reactions of Fasciola gegatica, ND, IBD and EDS by using the sensor basically conform to that with standard samples.

在实验研究中，我们先后应用电化学免疫传感器测试了大片形吸虫，鸡新城疫、鸡传染性法氏囊病、鸡减蛋综合征等的抗原抗体反应，结果与我们先前初步设定的判断标准基本相符。

This method is featured with high estimating performance and little computation burden by n o aperture losing and temporal smoothing. The reˉ quirements on hardware for RSDOA matrix method is predigested consu medly only need one fiducially sensor array with arbitrary structure and a single scattered sensor cell, so it is more effective and practical than other existing similar algoˉ rithms.

与现有算法相比较，RSDOA方法对于系统的硬件需求大为下降，计算负担小；由于无阵列孔径损失问题且空时协方差矢量具有时域平滑效果，因此参数估计性能优越，具有广泛的适用性与实际的应用价值。

And the capacitor touch sensor has compact structure, high mechanical strength, and high flexibility, while the product can contact the surface with any curvature to sense the volumes of normal force and tangent force, and be applied for the production of flexile capacitor touch sensor array.

所制作的电容式触觉传感器结构轻薄，机械强度高，可挠性好，可贴附在任意曲率表面同时感受法向力和切向力的大小，同样适合由众多这种柔性电容式触觉传感器单元组成阵列的制造。

For the problem of data inconsistence in transmission of Wireless sensor networks,we propose a mechanism of Inconsistent Failures Detection Mechanism which is based on wireless sensor networks.

针对无线传感器网络数据传输过程中产生的非一致性问题，提出了一种基于无线传感器网络的非一致性故障检测机制IFDM(Inconsistent Failures Detection Mechanism)。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。