Understanding FFTs and Windowing

Overview

Learn about the time and frequency domain, fast Fourier transforms (FFTs), and windowing as well as how you can use them to improve your understanding of a signal.

This white paper is part of our Instrument Fundamentals Series.


Topics Covered

  • Understanding the time domain, frequency domain, and fast Fourier transform (FFT)
  • All signals are the sum of sines
  • Deconstructing signals using the FFT
  • Overview of windowing
  • Windowing functions
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