Harmonic Estimation Using Symmetrical Interpolation FFT Based on Triangular Self-Convolution Window

@article{Wen2015HarmonicEU,
  title={Harmonic Estimation Using Symmetrical Interpolation FFT Based on Triangular Self-Convolution Window},
  author={He Wen and Junhao Zhang and Zhuo Meng and Siyu Guo and Fuhai Li and Yuxiang Yang},
  journal={IEEE Transactions on Industrial Informatics},
  year={2015},
  volume={11},
  pages={16-26}
}
Harmonic estimation is an important topic in power system signal processing. Windowed interpolation fast Fourier transformation (WIFFT) is an efficient algorithm for power system harmonic estimation, which can eliminate the errors caused by spectral leakage and picket fence effect. However, the fitting polynomial in the interpolation procedure contains both even and odd terms, and this increases the computational burden. This paper proposes a simple symmetrical interpolation FFT algorithm… CONTINUE READING
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