ABSTRACT

At one extreme, CWD solutions include metal detecting systems and personal searches by authorized ofŽcials. At the other extreme, the shoe-bomber and underwear-bomber incidents raise the requirement to search for other concealed objects and substances. Terrorists have found and will continue to Žnd new ways to get around security search and detection procedures. This war of wits drives the transportation security industry to search for new body scanning systems using passive millimeter waves (MMW), active

CONTENTS

17.1 Introduction ........................................................................................................................ 497 17.2 State-of-the-Art CWD Systems ........................................................................................ 498

17.2.1 Summary of Body Scanning Technology ........................................................... 498 17.2.2 High-Resolution Body Scanners .......................................................................... 499 17.2.3 Low-Resolution Standoff Screening Systems .................................................... 499 17.2.4 Summary of Body Scanning Capabilities ..........................................................500

17.3 The Camero UWB Radar Concealed Weapons Detection System ............................. 501 17.3.1 Background ............................................................................................................. 501 17.3.2 Designing the UWB Concealed Weapons Imaging Radar ............................. 502