TABLE OF CONTENTS Page LIST OF FIGURES v LIST OF TABLES vi EXECUTIVE SUMMARY vii ABSTRACT 1 1. INTRODUCTION 1 1.1. The Incident Microwave Radiation Field 2 1.2. Formulation of the Hot Spot Problem 3 2. MICROWAVE COUPLING INTO AN ENCLOSURE 6 2.1. Direct Coupling 7 2.2. Aperture Coupling 7 2.3. Diffuse Coupling 9 3. INTERNAL REFLECTIONS 9 3.1. Reflective Losses from Metals 10 3.2. Absorption and Reflection by Dielectric Materials 13 3.3. Dielectric Properties of Typical Materials 15 4. POSSIBLE RESONANCE CHARACTERISTICS OF HABITABLE SPACE 20 4.1. Cavity Resonator 20 4.2. Open Resonator 21 4.3. Modeling of Resonance Fields 22 5. MEASUREMENTS 24 5.1. Strength of 2.6 GHz Satellite Signal Inside Houses 25 5.2. Fields in Anechoic Chambers 26 5.3. Fields in Mine Tunnel (Dielectric Waveguide) 27
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