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锁相放大器的校准方法 被引量:2

Calibration Method for Lock-in Amplifier
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摘要 介绍了锁相放大器的一种校准方法。讨论了锁相放大器的相敏特性、满刻度灵敏度和本机噪声、动态储备、动态范围以及时间常数参数的校准实现方法,结合校准系统对典型参数的测量不确定度进行了评定。 In this paper, the calibration method for lock-in amplifier is described. Some realization ways of calibration are discussed, including the phase sensitive detectors characteristics, full-scale sensitivity internal noise, dynamic reserve, dynamic range and time constants. Combining with to the calibration system, the uncertainty of measurement of the typical parameter is evaluated.
作者 赵自文
出处 《计测技术》 2007年第1期27-29,共3页 Metrology & Measurement Technology
关键词 锁相放大器 校准方法 测量不确定度 lock-in amplifier calibration method uncertainty of measurement
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参考文献2

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  • 2国家质量技术监督局计量司.测量不确定度评定与表示指南[M].北京:中国计量出版社,2005.

共引文献74

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  • 2陈书涵,严珩志.反向双激励螺旋管式磨粒传感器的传感特性研究[J].仪表技术与传感器,2005(9):6-7. 被引量:12
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