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VLSI and Circuits, Embedded and Hardware Systems
Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research
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Low-Power Analog Processing, Daniel J. White
Low-Power Analog Processing, Daniel J. White
Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research
This dissertation presents the analog harmonic transform (AHT) and a first implementation in an integrated circuit. The transform is designed for a regular and simple hardware structure. It provides coefficients relating to an input signal's spectrum. These coefficients also have a simple relationship to the signal's Fouri\'er series coefficients.
The AHT is defined in its ideal form and evaluated for two example signal classification applications. Both military vehicle and bearing fault classification tasks are presented which validate the ability of a neural network to use the AHT coefficients to correctly classify the input signals. Because any real use of the …