DFT-based estimation of damped oscillation parameters in low-frequency mechanical spectroscopy

K Duda, LB Magalas, M Majewski… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
In this paper, we analyze and compare the properties of different well-known and also new
nonparametric discrete Fourier transform (DFT)-based methods for resonant frequency and …

DFT interpolation algorithm for Kaiser–Bessel and Dolph–Chebyshev windows

K Duda - IEEE Transactions on Instrumentation and …, 2011 - ieeexplore.ieee.org
This paper describes the discrete Fourier transform (DFT) interpolation algorithm for arbitrary
windows and its application and performance for optimal noncosine Kaiser-Bessel and …

Harmonic phasor analysis based on improved FFT algorithm

B Zeng, Z Teng, Y Cai, S Guo… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
An approach for power system harmonic phasor analysis under asynchronous sampling is
proposed in this paper. It is based on smoothing sampled data by windowing the signal with …

Simple interpolated FFT algorithm based on minimize sidelobe windows for power-harmonic analysis

H Wen, Z Teng, Y Wang, B Zeng… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
This paper focuses on the low-computation harmonic-analysis procedure with sufficient
suppression of spectral leakage and picket-fence effect. The interpolated FFT algorithm …

FFT-based amplitude estimation of power distribution systems signal distorted by harmonics and noise

H Wen, J Zhang, W Yao, L Tang - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper estimates amplitude of a power distribution systems signal corrupted with white
noise and harmonics by using the windowed symmetrical interpolation fast Fourier …

Improved smoothing frequency shifting and filtering algorithm for harmonic analysis with systematic error compensation

J Zhang, H Wen, L Tang - IEEE Transactions on Industrial …, 2019 - ieeexplore.ieee.org
Different from the fast Fourier transform-based method, the frequency shifting and filtering
(FSF) algorithm employs only a few simple operations in the time domain for harmonic …

Measurement of power system harmonic based on adaptive Kaiser self‐convolution window

W Yao, Z Teng, Q Tang, Y Gao - IET Generation, Transmission …, 2016 - Wiley Online Library
As the rapid development in power electronic devices, the harmonic pollution becomes one
of principle power quality problems in power system. The fast Fourier transform (FFT) is …

Fast S-transform for time-varying voltage flicker analysis

W Yao, Q Tang, Z Teng, Y Gao… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Voltage flicker analysis is one of the elementary tools of power quality assessment in power
systems. A new algorithm, fast S-transform (FST) is proposed and is used to analyze the time …

Parameter estimation of power system signals based on cosine self-convolution window with desirable side-lobe behaviors

B Zeng, Z Teng - IEEE Transactions on power delivery, 2010 - ieeexplore.ieee.org
Parameter estimation is an important topic in power system signal-processing tasks. A new
class of windows, the cosine self-convolution window (CSCW), is proposed. The main-lobe …

Phase difference methods based on asymmetric windows

J Luo, M Xie - Mechanical Systems and Signal Processing, 2015 - Elsevier
A new phase difference correction method, based on asymmetric windows, is proposed to
correct the errors of frequency, phase, and amplitude in discrete spectra. Classic windows …