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- research-articleOctober 2021
Accurate frequency estimation of multiple complex and real sinusoids based on iterative interpolation
AbstractFrequency estimation of multiple complex and real sinusoids in noise has attracted wide attention in many fields. In this paper, two frequency domain parametric methods are proposed to estimate the frequencies of multiple complex and ...
- research-articleMay 2020
An Effective Harmonic Parameters Estimation Algorithm Based on Transformed FFT Sequence
ICITEE '19: Proceedings of the 2nd International Conference on Information Technologies and Electrical EngineeringArticle No.: 63, Pages 1–5https://doi.org/10.1145/3386415.3387010In the practical harmonic analysis, the classical windowed interpolation methods usually have low estimation accuracy and high implementation complexity. Based on the analysis of attenuation characteristics of the fast Fourier transform (FFT) sequence, ...
- research-articleFebruary 2015
Improving the time domain response of fractional order digital differentiators by windowing
Signal Processing (SIGN), Volume 107, Issue CPages 282–289https://doi.org/10.1016/j.sigpro.2014.03.034In this paper, the limitation of using ( j ω ) as the ideal frequency response of fractional order digital differentiators for non-bandlimited signals is discussed. High frequency error enhanced by ( j ω ) , along with the cause of time domain response ...
- ArticleAugust 2010
True AC Root-mean-square Measurement Based on the Calculation of Cycle Double-end Sampling Values
ICIE '10: Proceedings of the 2010 WASE International Conference on Information Engineering - Volume 04Pages 177–180https://doi.org/10.1109/ICIE.2010.333When non-synchronous sampling measurement method was applied to the measurement of AC RMS, the increase in the measurement error was resulted from the existence of the RMS calculation error. A new non-synchronous sampling true RMS measurement method and ...