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The practicing instrumentation engineer's guide to the DFT

Steve has published a series of articles on EDN Magazine about engineering uses of the DFT and FFT. The seires Discusses practical implementation of the Discrete Fourier Transform in instrumentation applications. The series of articles focuses on the often forgotten "Calibration" factors and dispels some myths about DFT's and Windowing data in general.

Links to the articles at EDN Magazine,

Part 1: Understand DFT and FFT implementations

Part 2: Spectral leakage and windowing
Part 3: Other window types, averaging DFT's and display techniques

Steve Hageman
www.AnalogHome.com