1994 iii To my parents and to Vicki, who have been a continuing source of encouragement and support. iv TABLE OF CONTENTS Signature Page iii Dedication iv Table of Contents v List of Figures viii Acknowledgments ix Vita, Publications, and Fields of Study x Abstract xii 1 Introduction 1 1.
Parking lots with solar-powered charge stations for plug-in electric and plug-in hybrid electric vehicles have the potential to improve air quality human health, and local employment. The shade provided by the solar panels and the convenience associated with charge stations in parking lots where people work, shop, eat, and relax have social value. A… (More)
The thesis of Daniel James Amelang is approved and it is acceptable in quality and form for publication on microfilm and electronically: EPIGRAPH I'd rather write programs to write programs than write programs. —Richard Sites iv
A mong the many branches of computer science, ubiquitous computing enjoys an unusually distinguished history of creating and deploying prototypes. Why is this? A tempting answer is that many ubicomp researchers and practitioners have backgrounds in subjects such as HCI and systems—areas with a strong focus on learning from deploying working prototypes.… (More)
Figure 12: a) High-level block diagram of the segmented quantizer; b) quantization block details; c) signal processing model .. Figure 16: Estimated power spectra of a) the quantization noise sequences, and b) the running sums of the quantization noise sequences of the first-order ∆Σ modulator and the segmented quantizer presented in Section IV before and… (More)