介绍了差动变压器式传感器的结构和输出特性，详细分析了其零残电压产生的原因，以及对测量系统非线性和灵敏度的影响。
The producing reason of residual voltage at zero point and its affection to the nonlinear quality and sensitivity of measurement system were analyzed extensively.
大量的应用分析说明，采用自动测量原理的差动电阻式仪器测量正常，为大坝的安全分析提供了可靠的依据。
Based on many of examples of actual application, this type instruments have proved having a normal measurement and providing a reliable reference for dam safety analysis.
提出了一种可同时测量位移和角度的变面积式差动电容传感器的设计方案。
An area-alterable differential capacitive sensor is discussed, which can measure both displacement and angle.
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