摘要
提出了测量频率波动的非正弦周期电压电流真有效值的一种新方法,分析了该算法的理论误差,在此基础上提出了采用两次补偿和算法起始点寻优来提高算法精度的思想。仔细研究了算法的收敛性,得到了一些新的结论.为加快数据处理速度,提出了一种简便的隐式开方算法.仿真计算的结果完全验证了本文的结论.
A new algorithm for the RMS estimation of nonsinusoidal periodic signals is proposed, where two times of compensations and the optimization of starting-point are used to enhance the accuracy of the algorithm, and there is no need to design synchronous sampling or to measure the period of a signal. The validity of the algorithm is proved by a simulation calculation.
出处
《东南大学学报(自然科学版)》
EI
CAS
CSCD
1991年第2期66-71,共6页
Journal of Southeast University:Natural Science Edition
关键词
交流测量
非正弦
周期信号
有效值
sampling, measurements, root mean square values / nonsinusoidal periodic signal