Ultrawideband Radar

2

Development of Ultrawideband Communications Systems and Radar Systems

Terence W. Barrett

CONTENTS

2.1 Introduction

2.2 Concept of UWB Communications

2.3 Historical Development of UWB Radio Communications Systems

2.4 Major Components of an UWB Radio Communications System

2.4.1 Methods for Generating Pulse Trains and Transmitter Sources

2.4.2 Methods for Modulating a Pulse Train

2.4.3 Methods for Pulse Detection and Reception

2.4.4 Appropriately Efficient UWB Antennas

2.5 UWB Signal Detection and Amplification

2.5.1 The Tektronix™ System (1975)

2.5.2 Harmuth Systems

2.5.3 Ross and Robbins Systems

2.6 Technical Difficulties Associated with Testing for UWB Emissions Interference

2.7 General Observations on UWB Development

2.7.1 Interference ...