摘要
利用差动思想、交流桥路,采用移相器和相敏检波电路改变交流激励源频率、采用恒流源供电等方法提高应变式传感器的综合性能,重点阐述在提高线性度、灵敏度和减小温度误差方面的作用。
By using the differential method, AC bridge circuit ,changing phase of the input signal demodulation circuit and changing power frequency, and using constant current source, the property of the strain sensor can be greatly improved, especially in sensitivity, linearity, and reducing temperature error.
出处
《中国仪器仪表》
2003年第4期34-37,共4页
China Instrumentation
