Chapter 12: Time-Frequency Analysis and Wavelets

Introduces methods for analyzing signals in both time and frequency domains simultaneously.

Chapter Sections

Limitations of Fourier Transform

• Time-Frequency Trade-Off
• Non-Stationary Signals

Short-Time Fourier Transform (STFT)

• Windowing Concepts
• Spectrogram Interpretation

Wavelet Transform

• Continuous and Discrete Wavelets
• Multi-Resolution Analysis

Applications

• Signal Compression
• Feature Extraction