摘要
分析了利用采样计算方法测量交流信号有效值的主要误差因素。对于计算方法、周期误差、A/D转换器量化误差和A/D转换器积分非线性误差这四种主要的误差来源如何影响电压有效值测量结果进行了定量分析,在实际应用的过程中可以有针对性的采取措施来减小误差因素对测量结果的影响。
The error genesis,measuring effective value of AC signal with sampling computation method,is analyzed in this paper. Four primary geneses,including computation algorithm,measurement errors in non-synchronous,quantization errors of analogue digital converter(ADC) ,integral nonlinearity errors of ADC,are discussed;meanwhile,expressions are given in this paper. The result may be taken as a reference for minimizing influence caused by such errors.
出处
《电子测量与仪器学报》
CSCD
2008年第S2期62-65,共4页
Journal of Electronic Measurement and Instrumentation
关键词
采样计算
有效值
误差分析
sampling computation
effective value
error analysis
