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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 and side-lobe behaviors of the first to the third order CSCWs are studied. A CSCW-based improved fast Fourier transform algorithm (FFT) for estimating power system signal parameters, such as frequency, phase, and amplitude,...
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