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capacitance measuring
相关语句
  电容测量
    New Small Capacitance Measuring Circuit for Capacitance Sensor
    电容传感器新型微弱电容测量电路
短句来源
    Design of new capacitance measuring circuit for capacitance sensor
    电容传感器新型电容测量电路设计
短句来源
    The Capacitance Measuring Circuit for Electrical Capacitance Tomography System
    电容层析成像系统微小电容测量电路的设计
短句来源
    The thesis studies application background and some discussion on capacitance measuring circuit for capacitance sensor,both domestic and overseas at present. Aiming at the characteristic of capacitive accelerometer using mercury that output background capacitance is high ,and variation is comparatively low, the thesis selects the capacitance measurement circuits based on charge amplification principle.
    本文研究了电容传感器测量电路的应用背景和国内外研究现状,针对水银电容加速度传感器的输出背景电容大、变化量相对小的特点,选择了基于电荷放大原理的电容测量电路。
短句来源
    This paper presents a low noise ,low drifting capacitance measuring circuit and computer interfuce circuit used in the 12electrode ECT system. The design of computer interface of the ECT can control the the selection of measuring channel and data capture is also given. 
    本文提出了一种适用于12电极ECT系统的低噪声、低漂移的电容测量电路及计算机接口电路,并介绍了利用该接口电路对测量通道的逻辑控制和图象重建数据的采集方法及实现。
短句来源
更多       
  电容检测
    The Effect and Compensation of Charge Injection Capacitance for Charge/Discharge Capacitance Measuring Circuits Used in Electrical Capacitance Tomography
    充放电电容检测电路中电荷注入影响的补偿
短句来源
    Emphasis is made on the character of the system's structure, including overall system design, the controlling circuit of electrode arrays, the AC-based capacitance measuring circuit, soft ware compensation for coupling capacitance of CMOS switches, system calibration and communication circuit.
    主要论述了该系统的结构特色 ,包括整体方案、极板控制阵列、基于AC的微小电容检测系统、软件补偿CMOS开关的耦合电容、系统标定和通信电路
短句来源
    In usual ECT system,each electrode employs its own capacitance measuring circuit and the projection data derived from the same excitation(electrode) is converted into DC signals in parallel.
    通常的ECI系统中,每个电容极板都有自己的电容检测电路,对应于同一激励源的所有投影数据并行地转换成直流信号.
短句来源
    All the electrodes use a common capacitance measuring circuit,and the projection data derived from the same excitation electrode is converted into DC signals in serial,thus the hardware cost is reduced and the difference among the parallel measuring circuits is eliminated.
    各极板共用一套电容检测电路,对应于同一激励源的所有投影数据串行地转换成直流信号,降低了硬件成本,消除了并行测量方式通道差异所带来的误差.
短句来源
  电容测量
    New Small Capacitance Measuring Circuit for Capacitance Sensor
    电容传感器新型微弱电容测量电路
短句来源
    Design of new capacitance measuring circuit for capacitance sensor
    电容传感器新型电容测量电路设计
短句来源
    The Capacitance Measuring Circuit for Electrical Capacitance Tomography System
    电容层析成像系统微小电容测量电路的设计
短句来源
    The thesis studies application background and some discussion on capacitance measuring circuit for capacitance sensor,both domestic and overseas at present. Aiming at the characteristic of capacitive accelerometer using mercury that output background capacitance is high ,and variation is comparatively low, the thesis selects the capacitance measurement circuits based on charge amplification principle.
    本文研究了电容传感器测量电路的应用背景和国内外研究现状,针对水银电容加速度传感器的输出背景电容大、变化量相对小的特点,选择了基于电荷放大原理的电容测量电路。
短句来源
    This paper presents a low noise ,low drifting capacitance measuring circuit and computer interfuce circuit used in the 12electrode ECT system. The design of computer interface of the ECT can control the the selection of measuring channel and data capture is also given. 
    本文提出了一种适用于12电极ECT系统的低噪声、低漂移的电容测量电路及计算机接口电路,并介绍了利用该接口电路对测量通道的逻辑控制和图象重建数据的采集方法及实现。
短句来源
更多       
  “capacitance measuring”译为未确定词的双语例句
    2 The data acquisition system adopted the charge / discharge capacitance measuring circuit. This paper described the charge/discharge circuit and data acquisition.
    2.本数据采集系统采用了具有抗杂散电容特性的直流充/放电检测电路,并阐述了电容充/放电形式的检测电路及数据采集系统。
短句来源
    The interface circuit based on microprocessor is developed, the serial output signal of the electronic digital caliper with capacitance measuring system is processed, and the measuring precision is improved, the rang of application is extended also.
    本文介绍了以微处理器为核心的接口电路,并对容栅式数显卡尺的串行输出信号进行了处理,该智能接口的应用提高了测量精度,扩大了应用范围。
短句来源
    The capacitance measuring device for velocity of granular media which is adopting correlation and based on microcomputer control is introduced.
    介绍采用相关法试制的带微处理机控制的电容式颗粒速度测量装置.
短句来源
    And successfully combined an intrinsically stray-immune capacitance measuring circuit so as to obtain high accuracy(0.1°)and sensitivity (0.02V/(1°))between -30 and 30°. Can apply to a lot of fields,such located four tyres of the automobile,guided missle launcher and derrick etc. .
    在 - 30~ 30°测量范围内 ,可实现精度 0 1° ,灵敏度为 0 0 2V 1° ,可广泛应用于汽车四轮定位、导弹发射架及井架等许多领域。
短句来源
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  capacitance measuring
The sensor has a capacitance measuring principle and works in an open loop or closed loop operation mode.
      
This paper presents the further study of the charge/discharge capacitance measuring circuit.
      


This paper describes the basic principle of a circuit to improvethe resolution and stability of a capacitance measuring system. A practical schemeto reduce stray capacitance and non-linearity which naturely exist in most capaci-tance transducers is given. The circuit consists of a pulse width modulator, cabledriver, non-linearity corrector and filter. In nonhostile environments the capacitan-ce transducer can be assembled with the measuring circuit closely. In this case,it is unnecessary to...

This paper describes the basic principle of a circuit to improvethe resolution and stability of a capacitance measuring system. A practical schemeto reduce stray capacitance and non-linearity which naturely exist in most capaci-tance transducers is given. The circuit consists of a pulse width modulator, cabledriver, non-linearity corrector and filter. In nonhostile environments the capacitan-ce transducer can be assembled with the measuring circuit closely. In this case,it is unnecessary to use the cable driver. When transducer is used in a hostileenvironment, such as with high temperature or corrosive gas, the measuring circuithas to be separated from the transducer. Then, the effect of stray capacitance canbe eliminated with a unit-gain amplifier that produces equipotential transmission ofthe signal. The non-linearity of transducer can be reduced by making the powersupply voltage a function of the output voltage. Testing of the prototype showedthat, when the transducer is connected with the measuring circuit through a doubleshielded 3m cable, the measuring system has a resolution of 0.005pf, an accuracybetter than 0.1%, and the variation of the output caused by cable motion isless than 0.2%. Also, when the system is associated with a high-temperature dynamicpressure transducer, even if the non-linearity of the transducer is 10%, the systemnon-linearity of about 1% can be obtained by adjusting parameters of the non-linearity corrector.

本文介绍一种以单比较器脉宽调制器为基础的电容传感器测量线路的原理、特性及参数选择,给出了长电缆驱动条件下测量线路的具体设计。

The interface circuit based on microprocessor is developed, the serial output signal of the electronic digital caliper with capacitance measuring system is processed, and the measuring precision is improved, the rang of application is extended also.

本文介绍了以微处理器为核心的接口电路,并对容栅式数显卡尺的串行输出信号进行了处理,该智能接口的应用提高了测量精度,扩大了应用范围。

Mass flow measurement of gas solids two phase flow is rquired in many industrial processes.This paper presents a case study dealing with this problem in the pneumatic transport device.The problem is solved by measuring two parameters.i.e. the solids velocity and volume concentration.The capacitance transducer with 6 sensing electrodes and a stray immune AC based capacitance measuring circuit has been developed.The MCS8098 microcomputer based correlator has been designed.The experiment in pneumatic...

Mass flow measurement of gas solids two phase flow is rquired in many industrial processes.This paper presents a case study dealing with this problem in the pneumatic transport device.The problem is solved by measuring two parameters.i.e. the solids velocity and volume concentration.The capacitance transducer with 6 sensing electrodes and a stray immune AC based capacitance measuring circuit has been developed.The MCS8098 microcomputer based correlator has been designed.The experiment in pneumatic transport test device was carried out.It will be shown that the microcomputer based measuring system can be used to measure velocity,concentration and mass flow rate of gas solids two phase flow.

在电力、冶金、化工等工业生产过程中,大量存在气固两相流流动情况。气固两相流的流量测量对于计量、节能和控制具有重要意义。本文设计了阵列式电容传感器、信号测量电路和以MCS—8098单片机为核心的智能互相关测量系统。通过在气固两相流试验装置上的试验研究表明,设计的测量系统可以用于直接测量气固两相流中分离相的速度、浓度和质量流量,该系统有较高的实时性和测量精度。

 
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