本文提出了一种新算法,通过所述的准则可自动完成对采样数据的截取,从而减小甚至消除仪表中周期误差对通过积分求均值参数测量准确度的影响。论证表明,当采样和信号周期异步时该算法能自动补偿周期误差以提高测量结果的准确度;而同步时该算法则自动变成同步算法。计算仿真的结果验证了其有效性。 In this paper, a new algorithm is proposed, through which the interception of sampled data can be completed automatically, so as to reduce or even eliminate the influence of cycle error on the measurement accuracy of integral parameters. The demonstration shows that the algorithm can automatically compensate for periodic errors to improve the accuracy of the measurement results when the sampling and signal periods are asynchronous, while the algorithm automatically becomes a synchronization algorithm when synchronized. The simulation results verify its effectiveness.