Chapter 12

Frequency Analysis Part II

Nonstationary Signals and Spectrograms

The goal of this chapter is to extend Fourier analysis as covered in the previous chapter to nonstationary signals. The short-time Fourier transform will be introduced. Nonstationary examples will include applications to time-varying auditory signals and the EEG during sleep.

Keywords

short-time Fourier transform; nonstationary signals; ergodicity; Gabor transform; spectrogram

12.1 Goal of this Chapter

The goal of this chapter is to extend Fourier analysis as covered in the previous chapter to nonstationary signals. The short-time Fourier transform will be introduced. Nonstationary examples will include applications to time-varying auditory signals and the EEG during sleep. ...

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