The thermal noise of resistance includes two parts: bridge resistance and feedback resistance.
电阻的热噪声包含桥路电阻的热噪声和反馈电阻的热噪声。
Bridge resistance strain sensor, excellent moisture proof seal, suitable for any harsh working environment.
桥式电阻应变模拟传感器,优良的防潮密封,适应任何恶劣的工作环境。
For example, in Roman times, engineers discovered that if the upstream supports of a bridge were shaped to offer little resistance to the current of a stream or river, they would last longer.
例如,在罗马时代,工程师们发现如果桥的上游的桥墩建成对目前河流水阻力小的形状,桥墩的寿命会更长。
To measure the same low resistance with methods of Volt- Ampere , double bridge and double 'single bridge', we can get the same results.
对同一低电阻分别用伏安法、双电桥、双“单电桥”进行测量,几种方法的测量结果相当吻合。
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.
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)。
In the light of circuit principles, the author has mathematically ascertained that the contact resistance in an integrated circuit has little effect on the accuracy of output signals from the bridge.
本文由电路原理和数学方法推导出集电装置的接电阻对电桥输出信号精度的影响非常小的结论。
In this paper, a resistance - to - frequency converter consisting of a Wheatstone bridge followed by an integrator and a comparator is described.
文中给出了一个由惠斯登电桥、积分器、过零检测器等组成的电阻-频率转换器。
Suitable for meeting an emergency in resistance to weigh the sensor in bridge type.
适用于所有电阻应变桥式称重传感器。
The key is that to resolve the interaction between bridge and track, that the mechanics model of this interaction, as well as rail longitudinal resistance to displacement between rail and beam.
轨道结构与桥梁共同作用的力学计算模型是解决轨道纵向位移阻力与梁轨相对位移相互作用计算问题的关键。
With the advantages of good stability, high precision and good electromagnetic resistance, the Fabry-Perot(F-P) strain sensor get increasing applications in the bridge structure status monitoring.
光纤法-布(F-P)应变传感器具有稳定性好、精度高、抗电磁干扰能力强等特点,在桥梁结构状态监测中得到日益广泛的应用。
In addition, the test can improve directly the theory of wind resistance design to bridge and improve the code of wind resistance design.
此外,风洞试验还能为桥梁抗风设计理论和规范的改进提供最直接有效的依据。
Suitable for all resistance strain gauge load cell in bridge type.
适用于所有电阻应变桥式称重传感器。
Durability resistance at the section corner is relatively weak in the concrete bridge, therefore, the section corner is the key place of the durability maintenance.
混凝土桥梁的梁体截面角区及立柱截面角区的耐久能力相对较弱,是耐久性维护的关键部位。
As a digital programmable chip of signal conditioning chip, PGA309 is mainly used in resistance bridge pressure sensors, it amplifies and outputs the weak signal from the sensor.
PGA309作为数字化可编程信号调理芯片,主要用于电阻桥式压力传感器,将微弱的传感器桥路信号进行放大输出。
The resistance probability model is the foundation for study on time-dependent reliability of bridge.
构件的抗力概率模型是进行桥梁结构时变可靠性研究的基础之一。
The coupling between bridge and track adopts by beam unit, modulus of electricity of and yielding stress according to the broken line of the non-liner rail longitudinal resistance of displacement.
桥梁和轨道的联结采用非线性梁单元模拟,其材料弹性模量和屈服应力通过轨道纵向位移阻力与梁轨相对位移关系的双折线化确定;
A number of methods of electric bridge to measure resistance are introduced. The scope of the application and the means of improving every method are analysed.
本文对测量电阻的多种电桥法进行了介绍,并分析了各种方法的使用范围及改进方法。
The two-arm bridge measuring low resistance circuit of MCU control, multivibrator measuring electric capacity, auxiliary leveling bridge circuit, output display circuit are designed.
设计了单片机控制双臂电桥测量低电阻电路、多谐振荡测量电容电路、辅助调平电桥电路、输出显示等电路。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined. Therefore, the rule for selecting arm resistance is obtained.
通过与单电桥相比,得出双电桥桥臂电阻与电桥灵敏度的关系,从而确定了双电桥桥臂电阻选择的原则。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined.
通过与单电桥相比,得出双电桥桥臂电阻与电桥灵敏度的关系,从而确定了双电桥桥臂电阻选择的原。
This paper expatiates on the causes of negative frictional resistance which may appear on bridge piles, analyses the calculation methods and gives ten methods reducing it.
阐述了桥梁桩基负摩阻力产生的原因,分析了桩基中性点位置确定、负摩阻力计算等问题,并提出了十条有效减少负摩阻力的措施。
The drop number reflects the shear resistance property of liquid bridge between solid particles.
生球落下强度大小体现了固体颗粒间联接桥抗剪作用的强弱。
Objective:The purpose of this study was to investigate the effect of different types of pontic lingual metal framework in posterior metal-ceramic fixed bridge on the fracture resistance of porcelain.
目的:比较后牙烤瓷桥桥体舌侧金属支架结构改良对于瓷抗折强度的影响。
Inevitably, the bridge structure was damaged and its resistance was attenuated duo to the destroy effect of environment.
但是由于外界环境等因素的影响,桥梁结构不可避免地出现损伤积累和抗力衰减。
The method of testing insulation resistance based on asymmetric electric resistance bridge for direct current (DC) distribution system is proposed.
提出了利用不对称电桥的直流系统在线绝缘电阻检测方法。
This text analyses several kinds of wiring principles in the low resistance measure by double arms Electric bridge. Point out the necessity of correct wiring.
本文对双臂电桥测量低电阻中的几种接线原理进行分析,指出正确接线的必要性。
A designing experiment and the relative solution have been given combined with the characteristics of the resistance measurement experiment with Wheatstone bridge.
结合“单臂电桥测电阻”这个实验的特点提出了一个设计性实验,并给出了解决方案。
The dynamic characteristic of bridge is an important parameter not only for carrying capacity evaluation but also for earthquake resistance analysis of bridge.
桥梁结构的动力特性是桥梁承载能力评定的重要参数,同时也是识别桥梁结构工作性能和桥梁抗震分析的重要参数。
The sensitivity of the self-organized bridge using resistance box as arm resistance and the uncertainty of the measuring result are analysed. The selecting principles are given.
本文分析了用电阻箱作桥臂电阻自组电桥的灵敏度及测量结果不确定度,给出桥臂电阻的选择原则。
It is demonstrated that the bridge constant resistance network compensates phase.
此外,还证明了桥式定阻网络具有的相位补偿作用。
应用推荐