Introduction to Time-Frequency Signal Analysis

Time-frequency signal analysis (TFSA) has developed as a significant field in the area of signal processing. It involves the representation and processing of signals with time-varying spectral characteristics. This chapter presents fundamental principles of TFSA and reviews the main contributions to the field, including the most recent advances, such as polynomial Wigner—Ville distributions (PWVD), the high time-frequency resolution B-distribution, and the instantaneous frequency tracking and estimation.

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