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The short-time Fourier transform (STFT) is widely employed in nonstationary signal analysis, whose property depends on window functions. Instantaneous frequency in STFT, the time-derivative of phase, is recently applied to many applications including spec
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Maximally Energy-Concentrated Differential Window For Phase-Aware Signal Processing Using Instantaneous Frequency
The short-time Fourier transform (STFT) is widely employed in nonstationary signal analysis, whose property depends on window functions. Instantaneous frequency in STFT, the time-derivative of phase, is recently applied to many applications including spec