Table of Contents:
  • What is a signal?
  • A simple signal
  • The sine function
  • A less simple signal
  • Fourier analysis
  • Digital signals
  • Discrete Fourier transform
  • Digital filtering
  • Signals and noise
  • Noise and filters
  • a practical example
  • Convolution in the measurement domain
  • Final thoughts
  • Appendix. Signal analysis with Excel.