The sensitivity of Lamb wave was analyzed and the working theory of a novel density sensor for liquid based on the Lamb wave technology was presented.
分析了兰姆波对液体密度变化的敏感情况，提出了一种基于兰姆波技术的测量液体密度微小变化声传感器。
On basis of analyzing the mathematical models of resonant diaphragm, a integral structure of resonant diaphragm density sensor is designed based on the method of digital closed-loop.
对谐振膜片进行了数学模型分析，并设计了基于数字闭环方法的谐振膜式密度传感器整体结构。
The spectral modulation sensor system can detect and measure various physical parameters such as pressure, temperature, gas density, and various chemical species.
这种光谱调制传感器系统能够测量多种物理参数，如压强、温度、气体密度及多种化学成份。
A kind of optical fiber smoke sensor which is used to measure the optical density of the smoke is introduced.
研制成功一种光纤烟气传感器，用于测量烟气的光学密度。
It integrated temperature and pressure sensor with vortex sensor, and it realized the accurate measurement of mass flow through the compensation of gas density.
它将温度、压力和流量传感器融为一体，通过对气体密度进行补偿，实现了精确的质量流量测量。
Using force sensor to measure density of objects can improve the accuracy and stability of the experiment as the result of bettering the traditional experimental methods and instruments.
利用力敏传感器测量物体的密度，改进了传统的实验方法和仪器，实现了非电量电测，提高了实验的准确度和稳定性。
This paper has studied that the node's density under the constraints of energy, is connected with the longevity of the isomorphic self-organization sensor network.
本文研究了在能源约束条件下的节点密度，对同构的自组织传感网络寿命的定量关系。
In the end, the article presents the practical effect of adopting this sensor to measure the density of mud.
最后说明了采用上述传感器测量泥浆密度的实际效果。
Because of the high density of sensor nodes in WSN, there are quantities of redundant sensor nodes. All sensor nodes working simultaneously will lead to great waste of energy.
由于传感器网络中节点密度大，网络中存在大量的冗余节点，全部节点同时工作会浪费大量能量。
The system of liquid density measurement consists of force sensor, float, data gather, and software.
液体密度实时测量系统由力传感器、浮子、数据采集器、电脑软件组成。
Using the proposed model, the relation between the magnetic flux density in the air of the giant magnetostrictive force sensor and the value of force applied on the magnetostrictive rod is calculated.
应用该模型计算了超磁致伸缩力传感器空气隙中的磁感应强度和磁致伸缩棒上施加力的关系，并与实验值进行了比较。
This sensor is ideal for collecting temperature data for energy density calculations and monitoring air temperature at remote sites.
在测风塔上安装温度传感器的目的是为了计算风能密度，以及监测风场的环境温度。
In order to monitor the cement grout density accurately and dynamically in grouting practice, a detection instrument incorporating a CR105 photomultiplier tube as optic sensor was designed.
为了高精度、非接触动态地检测灌浆工程中水泥浆液的密度，采用CR 105型光电倍增管作为感光器件，设计了一种检测装置。
We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractive index modulation sensor.
我们提出采用光学双稳装置来稳定光源输出功率，并将它用于折射率调制型光纤传感器测量液体浓度的实验中。
In this paper, the hardware structure and software design thinking of the low-density methane sensor of intelligent multiple-output are introduced.
介绍智能多输出式低浓甲烷传感器的硬件结构及软件设计思路。
Gas sensitive sensor is used to examine the category, density and ingredients of the gas.
它是将气体浓度的变化转换为电信号的传感器。
Considering the character of high density of nodes in sensor network, a new routing algorithm combines the structure of grid with density-controlling, is proposed.
考虑传感器网络中节点非常稠密的特点，提出了一种将网格结构和密度控制相结合的路由算法以延长网络生存时间。
Considering the character of high density of nodes in sensor network, a new routing algorithm combines the structure of grid with density-controlling, is proposed.
考虑传感器网络中节点非常稠密的特点，提出了一种将网格结构和密度控制相结合的路由算法以延长网络生存时间。
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