... 进舍误差 errors in rounded figures 抽样误差 errors in sampling 调查误差 errors in surveys ...
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The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.
全波傅氏算法是基于周期信号推导出来的，当采样信号中含有衰减直流分量时，将会产生误差。
Software synchronous sampling is widely employed in periodic signal measurement, but measurement errors occur very commonly.
周期信号测量中广泛采用软件同步采样测量方法，其测量误差普遍存在。
The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
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