In order to improve stability and linear range of glucose sensor, combined electrodes with outer membranes were fabricated.
重点分析了壳聚糖溶胀性对所制电极稳定性的影响，提出了引入外膜制复合电极以改善葡萄糖传感器的稳定性，并增大传感器的线性测量范围的措施。
The linear dynamic range can be reach 90 dB when the frequency is 200 MHz. IV. Isotropic electric field sensor using integrated optical waveguide On the basis of traditional isotropic antenna, a new structure of isotropic electric field sensor with segmented electrodes using optical waveguide is proposed and is founded.
四、集成光波导全向电场传感系统研究本文借鉴传统全向天线的基本原理，提出基于集成光波导分段电极电场传感器的全向电场探头的结构，以及传感系统的结构，建立了相应的数学模型。
It is impossible for other measuring methods but this unification method that the shape of complicated curved surface work-piece with large size can be measured with an accurate sensor that has only a small measuring range.
这种归一化测量方法可以通过一个高精度、小量程传感器实现大尺寸复杂曲面工件的形状测量，这是传统测量方法所无法实现的。
The study shows that the sensor has a measuring range of ±80 m, the resolving power of 0.01 m and the time stability of 0.01 m/H with a 3mm effective diameter.
研究结果表明：有效直径为3mm的传感器测量范围为±80 m，分辨力达到0.01 m，时间稳定性达到
This text has done a summary to PSD first, then introduce the structure, operation principle and characteristic of PSD, PSD position sensor experimental provision and measuring the circuit, study size, to enlarge size, mid point position of coefficient choose measurement range, sensitivity, non-linear influence of error in PSD circuit of luminous point emphatically.
本文先对PSD做了一个概述，然后介绍了PSD的结构、工作原理及特性，PSD位置传感器实验装置及检测电路，着重研究了光点的大小、电路的放大系数的大小、中点位置的选取对PSD的测量范围、灵敏度、非线性误差的影响。
This paper studied mainly mechanism about pneumatic sensor of small measurement range linear dimension measurement in pneumatic measure system concluding static stage and dynamic state characteristics study.
主要进行用于小量程线性尺寸测量的气动测量系统中气动传感器的机理研究，气动传感器静态特性研究和动态响应特性研究。
In practice, attention should be paid to the sensitivity of the sensor and the compromise between the range.
在实际应用中，要注意传感器的灵敏度和量程之间的折中。
The reflex infrared sensor employd in pavement black boot line detection, and examine by means of ruing the place to the motor vehicle, and the calibrate driving course is achieved the shiftting the direction voluntarily of sedan; The obstacle is examineed adoping the ultra-audible sound sensor, and by means of the ultrasound range finding, causes the sedan coil the obstacle successfuly; Velocity that the sedan plyes and journey measurement are utilized Huo Er's sensor, and by means of the automatic sedan of software programming realization is living that the changing voluntarily of velocity is ply in the distinct sections of a highway; The metal plank is examineed adoping the capacitance style proximity switch; The sedan accurately is laid up, and parking light intensity is examineed adoping photosensitive resistance; The sedan plyes time, the metal plate figure on journey and pavement displays in the way of LED's nixie light.
路面黑色引导线检测使用反射式红外传感器，通过对汽车运行位置检测，校正行车路线，实现小车的自动调向；障碍物检测采用超声波传感器，通过超声测距，使小车顺利绕过障碍物；小车行驶的速度和路程的测量利用霍尔传感器，并通过软件编程实现自动小车在不同路段行驶速度的自动变化；金属板检测采用电容式接近开关；小车准确入库停车的光强度检测采用光敏电阻；小车行驶时间，路程和路面金属板块数用LED数码管显示。
Though the analysis of statical and dynamic characters on eddy-current sensor, it puts forward the influence factors of detective range and sensitivity and linear. On the other hand, it also makes dynamic character factor equel to two inertia system. It not only improves dynamic character but also has little influences to sensitivity by correcting with non-power circuit.
通过对涡流传感器的静态特性和动态特性的分析，指出影响传感器测量范围、灵敏度、线性度等指标的因素；推导出涡流传感器动态性能可以用两个串联的一阶惯性系统来表示，并设计出无源超前的校正电路，保证在不影响灵敏度的前提下可以大大的改善其系统的动态特性。
Firstly, the paper analyzed the principle of silicon photoeffect, CMOS compatible photodetectors and limits from the CMOS image sensor. Secondly, random noise sources and fixed pattern noise sources from CMOS image sensor are analyzed in detail, and then fixed pattern noise was calculated in theory. Dynamic range is a critical figure of merit for image sensors. Often a sensor with higher dynamic range is regarded as higher quality than one with lower dynamic range.
首先分析半导体光电效应的基本原理，典型的CMOS工艺兼容光电探测器，以及CMOS图像传感器本身所具有的局限性，还详细分析了CMOS图像传感器中的随机噪声源和固定模式噪声源，并对固定模式噪声进行理论推导，从而为对数有源像素的固定模式噪声消除奠定基础。
It adopts anadvanced microbridge mass airflow sensor as flowmeter which can accuratelycontrol the sampling of air.3. The set up of micro particle measurement system. The Mie theory is socomplicated that there are different approximate methods to measure differentparticles. Thus the instruments only base on light scattering theory always havecertain measurement range and application conditions.
在气流控制系统中提出并采用了先进的微桥气流质量传感器，能精确控制气体的采样量。3、微纳颗粒综合分析及测试平台的构建：Mie散射理论的复杂性导致实际应用中，对不同尺度的颗粒采用不同近似方法进行测量，从而单一基于光散射的各种仪器都有一定的测量范围和适用条件。
The experiments indicate that the piezoelectric interferometric fiber-optic current sensor can successfully achieve 0.2 class current ratio errors, 0.5 class current phase errors over current range from 40A to 3200A, and steadily operate at temperature range from-20℃ to 70℃.
本文的实验结果测定：压电效应干涉式光纤电流传感器在40～3200A的电流测量范围内，比差能达到0.2级精度，角差能达到0.5级精度，并能在-20～70℃的环境温度下稳定地工作。
According to the characters of the rotating arc sensor welding, based on flat MIG arc welding, the proper finite element model was built. Based on ANSYS APDL developing platform, the program was designed to solve the GAUSS function and moving rotating heat loading and obtain the three-dimensional dynamical temperature field for build-up welding. The amount of calculation was controlled within the acceptable range.
针对旋转电弧传感器焊接的特点，对平板MIG焊接，建立了适当的有限元计算模型，利用ANSYS软件的APDL语言编写了程序，解决了呈高斯函数分布且旋转移动的焊接热源的施加的问题，实现了焊接温度场的三维动态模拟，并将计算量控制在可接受的范围内。
The flow sensor of this range is based on the principle of Karman's vortex trail.
在这个范围的流量传感器是基于卡门的旋涡线索的原则。
According to the principle of practical, reliable, safety, facility and economic, we designed and researched the project of pulse signal collection apparatus base on 8051: Conditioning the pulse signal from the sensor, ensuring the quality and range of the obtained pulse signal.
我们本着实用、可靠、安全、便利及经济等原则，设计开发了基于单片机8051的脉象信息采集处理电路：对从传感器获取的脉象信号进行调理，确保所获取的脉象信号质量及幅度。
Based on ratiometric and capacitive measurement principle, a design of digital angular sensor with 180° measurement range which has a metallic and ungrounded rotor plate was presented here.
在比例式电容测角原理的基础上，设计了一种转动极板为金属材质且为电气悬空设计的数字型角位移传感器，满足180°的测量范围。
Compared with the traditional temperature sensor, this structure has a wider measuring range.
与传统的温度传感器相比，这种结构的测温范围较宽。
The invention discloses a denitrifying and phosphoric discharge optimum controlling means in A2/O craft secondary settling tank in waste water biological treating system domain, which is characterized by the following: using DO on-line sensor, nitrate on-line sensor and sludge level gage; monitoring on line; indicating generating degree of denitrifying and phosphoric discharge in the secondary settling tank; adjusting discharge of inner circulating pump when the measured value higher than setting range; increasing inner circulating ratio; controlling the density of water inlet nitrate in the secondary settling tank; adjusting discharge of the sludge circulating pump when the measured value of the sludge level gage deviate setting range; enlarging sludge return ratio; decreasing height of the sludge layer; providing reliable operating condition for water outlet emission standard of A2O craft; realizing high efficiency and low consumption.
A 2 /O工艺二沉池内反硝化和磷释放的优化控制方法属于污水生物处理系统领域。目前二沉池内单污泥生物脱氮除磷工艺出水水质恶化，处理效果不稳定和达标率较低。通过利用DO在线传感器，硝酸盐在线传感器和污泥液位计在线监测并用于指示二沉池内的反硝化和磷释放的发生程度，即当溶解氧在线传感器的测定值高于预设范围时，调节曝气阀门以减小供气量，反之相反操作。当硝酸盐在线传感器的测定值高于设定范围时，调节内循环泵的流量以增加内循环比来控制二沉池内进水硝酸盐的浓度。当污泥液位计的测定值偏离设定范围时，调节污泥回流泵的流量以增大污泥回流比来降低污泥层高度。为A 2 O工艺的出水排放标准提供可靠的运行条件，实现高效率低消耗。
It measures the range and frequency of the vortex flow meter output signals by the analog to digital converter of the DSP on real time, and the gain of the variable gain amplifier is controlled by the digital to analog converter, then the relative stable range of the sensor output signals can be obtained.
利用DSP上集成的模拟数字转换电路实时检测涡街流量计传感器输出信号的幅度和频率，采用数字模拟转换电路对变增益运放进行控制，控制传感器输出信号幅度的相对稳定。
It uses a long-range radar sensor, mounted in the lower front grille, to monitor the road ahead for other vehicles.
它采用远距离雷达感应器，在较低的前格栅安装，监测前面的道路其他车辆。