Appendixes



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Assessment of Millimeter-Wave and Terahertz Technology for Detection and Identification of Concealed Explosives and Weapons Appendixes

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Assessment of Millimeter-Wave and Terahertz Technology for Detection and Identification of Concealed Explosives and Weapons This page intentionally left blank.

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Assessment of Millimeter-Wave and Terahertz Technology for Detection and Identification of Concealed Explosives and Weapons Appendix A Acronyms ATSA Aviation and Transportation Security Act BWO backward wave oscillator DARPA Defense Advanced Research Projects Agency DSB double sideband EDS explosive detection system EM electromagnetic GHz gigahertz

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Assessment of Millimeter-Wave and Terahertz Technology for Detection and Identification of Concealed Explosives and Weapons HEB hot electron bolometer HMX cyclotetramethylene-tetranitramine IEEE Institute of Electrical and Electronics Engineers IHVS Intelligent Highway Vehicle System IMPATT Impact Ionization Avalanche Transit Time LHR London Heathrow Airport LMDS Local Multipoint Distribution System LNA low-noise amplifier LO local oscillator MMIC monolithic microwave integrated circuit MTBF mean time before failure NaCl sodium chloride NRC National Research Council OSU Ohio State University PE4 plastic explosive PETN pentaerythritol tetranitrate PNNL Pacific Northwest National Laboratory PSI Physical Sciences, Inc. QC Quantum Cascade RDX cyclotrimethylene-trinitramine RF radio frequency RTD Resonant Tunneling Diode SDT signal detection theory SLED Super Luminescent Diode STD standard TIFT Terahertz Imaging Focal Plane Array Technology TNT trinitrotoluene TSA Transportation Security Administration TSL Transportation Security Laboratory TTDS terahertz time domain spectroscopy TUNNETT Tunnel Injection Transit Time UCSB University of California at Santa Barbara VED vacuum electronic device