Abstract
In this letter, we first propose a time-reassigned synchrosqueezing wavelet transform (TSWT) to analyze impulsive-like signals, whose instantaneous frequency curves are nearly perpendicular to the time axis. By squeezing the wavelet transform coefficients in the time direction, the TSWT has very high energy concentration and enables signal reconstruction. Furthermore, we provide a rigorous theoretical analysis of TSWT for frequency-domain signals under the mathematical framework. Finally, numerical experiments are employed to verify the effectiveness of TSWT.
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