用于主频测量的模数转换器时基偏置校准

2020 3rd International Colloquium on Intelligent Grid Metrology (SMAGRIMET) Pub Date : 2020-10-20 DOI:10.23919/SMAGRIMET48809.2020.9263998

J. Kitzig, G. Bumiller

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引用次数: 0

摘要

模数转换器(ADC)的时基误差是快速、精确测量主频时需要考虑的一个重要系统误差。本文提出了一种实时确定模数转换器时基偏置以校正主频测量的校准方法，并在测试中进行了验证。评估了该方法在不同校准信号频率下的不确定度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Timebase Offset Calibration of Analog-To-Digital Converters for Mains Frequency Measurement

The timebase inaccuracy of an Analog-to-Digital Converter (ADC) is an important systemic error to consider when it comes to fast and precise mains frequency measurement. In this paper, a new calibration method to determine the timebase offset of an ADC in real time to correct the mains frequency measurement is proposed and evaluated in tests. The methods uncertainty with regard to different calibration signal frequencies is assessed.

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2020 3rd International Colloquium on Intelligent Grid Metrology (SMAGRIMET)

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