惠斯通电桥在四个桥臂阻抗相同时而其中的一条桥臂发生哪怕是极小的变化都非常敏感。
The Wheatstone bridge is most sensitive to small fractional impedance changes in one of its arms when all the arms are the same impedance.
通过理论和实验证明，阐述了提高交流电桥灵敏度的桥臂最佳配置方法。
This paper gives the best method in configuring the bridge arm to improve the sensibility of the AC bridge by way of theoretical deduction and experiment.
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。
A designing experiment and the relative solution have been given combined with the characteristics of the resistance measurement experiment with Wheatstone bridge.
惠斯通电桥有一个信号发生器，四个阻抗桥臂和一个检测器。
Wheatstone bridge has a "generator", four impedance "arms", and a "detector".
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. 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。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined.
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。
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.
单臂电桥测温电路结构简单，但存在误差而难以实现高精度温度检测。
Although single-armed bridge circuit is easy to construct, but is not suitable for high precision temperature detection because of its inner error.
本文介绍了双臂电桥的换臂测量方法，从而减小了系统误差，提高了测量准确度。
This paper introduces the arm-changing measurement for the double-arm bridge. The method can reduce the systematic error and increase the precision of the measurement.
交流电桥的平衡不仅取决于桥臂参数的性质，还取决于调节参数的选择，要同时满足幅值和幅角的两个平衡条件，至少需要调节两个参数来实现。
To meet the needs of the two balance conditions of both argument and amplitude simultaneously, at least, two parameters should be adjusted.
交流电桥的平衡不仅取决于桥臂参数的性质，还取决于调节参数的选择，要同时满足幅值和幅角的两个平衡条件，至少需要调节两个参数来实现。
To meet the needs of the two balance conditions of both argument and amplitude simultaneously, at least, two parameters should be adjusted.
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