Present studies all aimed at wireless sensor networks of plane model. But many applications are linear model.
现有研究都是针对平面模型的无线传感器网络，但是很多应用场合具有线性模型的特征。
The control circuit by sensor with SCM is one of the widely-used practical circuits at present.
传感器结合单片机控制电路是目前应用比较广泛的实用电路之一。
Overcomes the present gas sensor manual control test to bring the efficiency lowly, the error big, the operator operating time long and so on the questions.
克服了目前气敏传感器人工操作测试带来的效率低、误差大、操作人员长时间工作等问题。
At present, the special fiber as optic fiber sensor is expensive and the technique is complicated, then a quasi-distribution optic fiber sensor system based on general optic fibers is presented.
针对目前光纤传感所采用的特种光纤的成本高且制作工艺复杂，提出一种以标准单模光纤为光纤传感的光纤传感系统。
Wireless sensor network (WSN) is a research hotspot in present information technology field.
无线传感器网络(wsn)是当前信息技术领域的一个热点研究方向。
And the inductance sensor is one kind of position transmitter widely used in the present dynamic measurement.
其中电感式传感器是目前动态测量中用途较广的一种位移传感器。
Attitude sensitivity and stability are the important technical features of satellite. Measuring satellite attitude with star sensor is a present measuring technique with highest accuracy.
姿态敏感和姿态稳定是卫星的重要技术之一，星体敏感器是目前最高精度的姿态测量技术。
Using reflective near infrared sensor and voice record-reproducing assembly, the present article studies the voice anticollision-prompting device for backing an automobile.
利用反射式近红外传感器及语音录放组件，研究了汽车倒车防撞语音提示器。
At present, hole trajectory azimuth Angle is measured mainly with magnetism sensor, but which is restricted by magnetic field and the metal tube around the surveying equipment.
目前的井眼轨迹方位角测量技术主要靠磁通门传感器，这种技术受地磁场及测量体周围金属管体的制约。
Operational principle of sensor and compensation of temperature and pressure are introduced, and structure of system design and the circuit of hardware are present.
介绍了传感器工作原理和温压补偿方法，给出系统的设计结构和硬件电路组成。
Because of the disadvantages of the hydrogen detection methods at present, the hydrogen micro-sensor detection system was designed based on a new type of piezoelectric-sound-resonance cavity (PSRC).
针对目前氢气检测的各种弊端，设计了一种基于微压电声学谐振腔的氢气浓度检测系统。
The experimental results present that the strain of optic fiber Fabry-Perot sensor is better linear with loading of bending beam.
智能夹层中光纤法珀腔传感器的应变与载荷之间具有良好的线性关系。
Considering a class of networked control systems with long time delays, the fault detection is carried out supposing that the output delays are present between the sensor and the controller.
考虑一类具有长时延的网络控制系统，假定其传感器到控制器之间存在输出时延，对其进行故障检测研究。
A passive acoustic sensor network time-delay probabilistic localization algorithm is present in this paper.
提出了一种被动声传感器网时延概率定位的综合处理算法。
At present the common used alcohol sensor is fuel cell type and semiconductor type, with weakness being either high price or poor selectivity and demanding the heat device.
目前常用的燃料电池型和半导体型乙醇传感器具有价格高或选择性差、需要加热装置的缺点。
Improving on the existing sensor detection model and virtual force method, we present a novel sensor deployment optimization strategy based on target involved virtual force.
本文以目标跟踪为应用背景，改进了已有传感器感知模型和虚拟力方法，提出了一种新的传感器网络布局优化策略。
Based on switch mode sensor of relative wind direction, we present a kind of tracing wind fuzzy control system with constant sample cycle and variable control cycle.
基于开关式相对风向传感器，提出一种固定周期采样、变周期控制的风向随动模糊控制系统。
At present, the correcting method of sensor error depends on sensor prime data so that when working time increases and sensor parameter is changed, the correcting error will increase.
目前的传感器误差校正方法，由于都是以传感器初始标定数据作为依据，从而随着使用时间的增加，传感器参数发生变化，其校正误差会逐步增大。
At present, there are many technical difficulties in the research of Wireless Sensor Network, the node localization, which associates closely with many practical application, obtains more attention.
目前，无线传感器网络仍然存在一些技术上的难点，节点定位技术与很多实际应用有着密切的联系，因而受到关注。
The present paper introduce mainly basic principle, device characteristic and making method of long-period fiber grating and outlines the application status in optical communication and sensor system.
介绍长周期光纤光栅基本工作原理、器件特性和制备方法，同时对这种器件在光通信和传感系统中的应用状况作了简要概述。
The present research constructs a wireless sensor network coverage optimization strategy based on swarm intelligence.
本文基于群体智能建立无线传感器网络的覆盖优化策略。
It aims to present mainly how principle to measure the size of work processed using CCD and the operating principle of piezoelectricity sensor.
论文主要介绍了利用CCD测量被加工工件尺寸的工作原理以及压电传感器逆压电效应的工作原理。
This paper introduces the present situation of development on the sensor-fuzed munition for destroying armoured targets in large areas, and studies the problems existing in the development process.
本文介绍了用于大面积反装甲的末敏弹的研制现状，并且综述了末敏弹研制中的问题。
Furthermore, the sensor panel device can periodically perform calibration functions to account for any drift that may be present in the system.
而且，传 感器面板设备可以周期性地执行校准功能以解决系统中可能存在的任何漂移。
At present, digitization and network technology are developing rapidly. As the source end of testing system, the majority of sensor output is still analog signal.
当前，数字化技术及网络技术飞速发展，作为测试系统的源端，传感器输出大部分仍是模拟信号。
At present, the research of multi-sensor data fusion is focused on the integration algorithm, the technology of human-computer interaction (HCI) is inadequate.
目前多传感器数据融合技术的研究主要集中在融合算法上，对该技术的人机交互研究有所不足。
At present, because of the potential applicative value, the research on wireless sensor network (WSN) has been getting many extensive attentions.
由于无线传感器网络(wsn)潜在的应用价值，目前对它的研究受到了广泛地重视。
Followed, it analyses the course of changing phase and distributing of PWM signal. Based on these facts, we present the sensor solution for BLDC motor, design the hardware system and software system.
接着对直流无刷电机的基本组成环节、基本工作原理、运行特性和传递函数作了详细的介绍，分析了直流无刷电机的换相过程和PWM信号的分配情况。
Followed, it analyses the course of changing phase and distributing of PWM signal. Based on these facts, we present the sensor solution for BLDC motor, design the hardware system and software system.
接着对直流无刷电机的基本组成环节、基本工作原理、运行特性和传递函数作了详细的介绍，分析了直流无刷电机的换相过程和PWM信号的分配情况。
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