A feedback ac capacitance measurement circuit of gain controllable is developed.
分析、设计了程控增益负反馈交流型电容测量电路。
Charge measurement Applications: Capacitance measurements, static charge measurements using a Faraday cup.
各种电荷测量的应用：电容测量、使用法拉第杯的静电电荷测量等。
The principle of MOS capacitance measurement based on the method of high frequency detection is presented.
MOS结构高频C-V（电容-电压）特性测量是检测MOS器件制作工艺的重要手段。
From the point of view of capacitance measurement and image reconstruction, a set of suitable design parameters is found.
从电容测量和图象重建的角度出发，找到了一组合适的设计参数。
With a high data acquisition speed and high resolution of capacitance measurement, a new capacitance data acquisition system is developed.
建立了一种新型的具有高速采集和高分辨率测量的电容数据采集系统。
By analyzing traditional methods of resistance and capacitance measurement, soft sensing is applied to decouple resistance-capacitance network in this paper.
论文分析了阻容耦合情况下传统的电阻电容测量方法，提出将软测量方法用于阻容网络的参数解耦。
Based on the traditional bridge circuit, an active bridge circuit, which performs high sensitivity and good linearity, is designed for capacitance measurement.
在传统电桥电路的基础上，设计了一种有源电桥的电容式检测电路。该电路具有灵敏度高、线性范围宽的特点。
This paper presents a forward-bias capacitance measurement system based on HP 4274AL-C-R meter for extracting the parameters of interface states of metal-semiconductor contacts.
本文描述使用以阻抗测量仪为中心的正偏电容测量系统提取金属-半导体接触界面态参数的方法。
The DC charge based and ac based capacitance measurement technologies are analysised from the point of noise performance, which is the key factor to determine the resolution of measurement.
从电路噪声的角度分析了直流充放电法和交流激励法电容测量技术的性能，得出交流法在增加电路复杂度极小的条件下，可获得较高的电容分辨率。
Introduce a relatively small typical capacitance measurement circuit and its basic principle, the use of digital signal processing technology to achieve small capacitance measurement method.
介绍了比较典型的微小电容测量电路及其基本原理，提出了采用数字信号处理技术实现微小电容的测量方法。
These integrated devices enable the measurement of capacitance intelligently to detect human proximity across range, direction of approach, gesture recognition, etc.
这些集成器件使得电容测量可以智能地检测到人接近的范围、方向、手势识别等。
The soak time allows any circuit capacitance to settle before the measurement begins.
在保温时间内所有的电路电容在测量开始前稳定下来。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
对电容式加速度计，为测量其电容的变化，通常需要带直流偏置的交流电压信号来驱动。
The principle of capacitance current measurement based on the injecting signal is discussed.
论述了采用注入变频信号测量电容电流的原理。
Then, a new idea of grounding capacitance estimation based on the reactive power flow measurement transposition method is presented.
在此基础上，提出了一种新的基于量测置换的线路电容参数估计方法。
For moisture meters based on Karl Fisher capacitance titrimetry, the accuracy of measurement is dependent on capturing correct end point.
用卡尔·费休容量滴定法测定水分，滴定终点的捕捉正确与否决定着分析的精确度。
The system can overcome the influence by water mineralization degree and stray capacitance effectively, so the accuracy of the measurement of crude oil moisture is very high.
本系统能有效地克服水矿度以及杂散电容的影响，具有较高的原油含水率测量准确度。
To integrate the sensor with its measurement circuit, the CMOS capacitance signal processing circuit is designed based on the theory of capacitor switch circuit.
为便于实现传感器与测量电路的集成，基于开关电容电路的原理设计出了频率输出的CMOS电容信号处理电路。
Capacitive system for liquid level measurement can measure the liquid level according to the principle which capacitance value is changed with the dielectric constant.
电容式液位测量系统是基于改变介电常数时，电容器的电容量变化的原理来测量液位的。
The measurement principle of selective frequency balance method with input circuits of inductance and capacitance for PD detection is analyzed in detail in this paper.
文中以电感电容为输入电路，全面分析了用选频平衡法测量局部放电的原理。
The experiment on entrained air amount measurement has been carried out by using the capacitance air void meter which was manufactured by authors.
本文开发设计了电容式空气含量测量仪，对模型水泵吸入池内空气的吸入量进行了测量。
The principle and calibration of the capacitance probe measurement system were investigated.
介绍了电容探针的测量原理和在稠相气固流动系统中的标定方法；
By taking advantage of the complementarity of the capacitance and the conductance measurement, the design extends the water cut measurement range from 0 to 100 percent.
该方法利用了电容、电导测量的互补性，把含水率的测量范围扩大到0 ~ 100%。
The article designed a circuit of body capacitance impedance measurement according to circuit of phase measurement and circuit of impedance measurement.
本文根据相位测量电路和阻抗测量电路设计一种人体容抗测量电路。
In this dissertation, the thickness measurement system of capacitance micrometer is also researched.
本文对电容测微仪测厚系统也做了一定研究。
Electrical capacitance tomography (ect) technique is a novel technique used in parameter measurement of multiphase flow and has a wide application prospect in industry.
电容层析成像技术是多相流参数检测领域中的一门新技术，在工业中有着广阔的应用前景。
The double resonance method for the measurement of small capacitance is presented. The effects of the distribution capacitance can be greatly reduced.
提出一种两次谐振的小电容测试方法，它能有效地抑制分布电容的影响。
A synchronous tracking measurement method for different capacitance capacitors.
差容可变电容器同步跟踪测量方法探讨。
A synchronous tracking measurement method for different capacitance capacitors.
差容可变电容器同步跟踪测量方法探讨。
应用推荐