分析、设计了程控增益负反馈交流型电容测量电路。
A feedback ac capacitance measurement circuit of gain controllable is developed.
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。
From the point of view of capacitance measurement and image reconstruction, a set of suitable design parameters is found.
本文中还探讨了结电导—电压特性以及结电导对结电容测量的影响。
We also studied the junction conductance-voltage characteristics as well as the influence of junction conductance on the junction capacitance measurements.
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。
Charge measurement Applications: Capacitance measurements, static charge measurements using a Faraday cup.
分析了目前微小电容测量电路的基本原理、电路特点以及存在的问题。
Analysed the basic theory of micro-capacitance gauging circuit, the characteristics of circuit, and the problems now exist.
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。
These integrated devices enable the measurement of capacitance intelligently to detect human proximity across range, direction of approach, gesture recognition, etc.
这种电路分辨率高、复现性好、呈良好的线性关系,适用于各种电容测量接口电路。
It has high resolution, good repeatability and linearity. It can be suitable for a variety of capacitance measuring interface circuit.
KT1175-10型仪器的基本功能还包括精密电容测量和开路定位器(OCL)。
Precision capacitance measurements and an Opens Circuit Locator (OCL) are standard features of the CKT1175-10.
通过实验数据,归纳总结出电容测量模块和射频测量模块用于测量相分率的经验公式。
The formulae of the capacitance module and RF module are attained after analyzing the experimental result.
介绍使用普通数字万用表的直流电压档在线测量电容和扩展电容测量范围所使用的技术。
In this paper, the methods of measuring capacity on line and expanding capacity range in DMMs DCV are introduced.
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。
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.
讨论了纳米线MOSFET量子电容测量及影响因素,同时讨论了计算方法,得出量子电容为1。
It illustrates the quantum capacitor of nanowire MOSFET, and shows the Culumon staircase at 176K.
用替代法完成小电容的测量,可以避免不确定因素对电容测量的影响,完成在线小电容的高精度测量。
The measurement of small capacitances by substituting method can avoid the effect of uncertain factors and achieve high precision measurement of on-line small capacitances.
电容测量值与多相流含相率之间的数学模型表明,可以应用电容层析成像技术对多相流截面进行图像重建;
The mathematical model of the capacitance and the component factor of multi-component flow shows we can build up the image of the multi-component flow section.
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。
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.
基于RBF神经网络的图像重建方法的实质就是用RBF神经网络建立电容测量值到图像灰度值的映射关系模型。
The image reconstruction algorithm based on RBF neural networks uses RBF networks to build the mapping relationship between the capacitance value and the image gray-scale value.
通过自制的专用电容器,采用电容测量仪测电容的方法,在物理实验中开设液体电介质的相对介电常数的测量实验。
This article introduces a method to measure the relative dielectric constant of liquid dielectrics in physical experiments, with a special capacitor made by ourself.
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。
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.
他们的方法是将一块会随着压力变薄的橡胶薄膜和电容整合起来,以此测量变化。
Their approach was to use a rubber film that changes thickness due to pressure, and employs capacitors, integrated into the material, to measure the difference.
其中一个方法是测量不同DNA碱基的电性质,如电容和导电性。
One way to do it would be to measure the electrical properties of the different DNA bases such as capacitance and conductivity.
在保温时间内所有的电路电容在测量开始前稳定下来。
The soak time allows any circuit capacitance to settle before the measurement begins.
本文研究了利用自动平衡电桥方法,通过测量高端和低端两路矢量电压来精确测量电感L、电容C和电阻R(即LCR)。
This paper studies the method of auto balancing bridge to precisely measure inductance L, capacitance C, resistance R(namely LCR)by measuring the high and low terminal vector voltages.
为了扩展库仑测量范围,使用外部电容器作为反馈元件。
To extend the coulombs ranges, an external capacitor is used as the feedback element.
使用分流型安培计(图2 -49)时,输入电容对电流测量的影响与电压测量时类似。
The effects of input capacitance on current measurements using a shunt type ammeter (Figure 2-49) are similar to those for voltage measurements.
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。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
在测量一个器件,如电容器上的电荷时,重要之点是要首先关闭静电计的零点检查功能,然后再将电容器连到高阻抗输入端。
When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.
噪声能够严重地影响灵敏的电流测量工作。本节讨论源电阻和源电容如何影响噪声的性能。
Noise can seriously affect sensitive current measurements. This section discusses how source resistance and source capacitance affect noise performance.
如果屏蔽和测量仪器之间存在一个交流电势差,则可能有电容性电流通过测量电路,增大干扰。
If there is an ac potential difference between the shield and the measuring instrument, there may be capacitive currents flowing through the measuring circuit that will add interference.
如果屏蔽和测量仪器之间存在一个交流电势差,则可能有电容性电流通过测量电路,增大干扰。
If there is an ac potential difference between the shield and the measuring instrument, there may be capacitive currents flowing through the measuring circuit that will add interference.
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