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Configuration Management and Performance Verification of Explosives-Detection Systems (1998) / Chapter Skim
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3 Anatomy of Explosives-Detection Equipment
Pages 21-23

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From page 21...
... Trace detection techniques are less likely than bulk detection techniques to misidentify common, nonthreat items as explosive materials, but they suffer from missed detections due to inadequate sample collection. Descriptions of the broad categories of explosivesdetection technologies are given in Appendix A, with more comprehensive discussion of the wide variety of explosives detection technologies to be found in other references (NRC, 1993, 1996; OTA, 1991, 1992~.
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From page 22...
... For these CT systems, the measured parameters include the x-ray attenuation coefficient averaged over the x-ray energy spectrum, which is a function of the physical density and average atomic number of the material, shape, and location of the objects within the baggage under observation. Techniques for trace detection sample analysis employ a variety of chemical methods, including gas chromatography, chemical luminescence, and ion mobility spectroscopy.
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From page 23...
... Infrastructure includes the basic, underlying mechanical and electrical framework of the equipment. The infrastructure comprises those elements of the explosives-detection equipment that provide the mechanical structure, the interconnection of different electrical and mechanical components, the mechanical transport of the baggage under observation, and the overall control and coordination of the different equipment functions, the interface between different devices in a multiple-device system, and the airport or air carrier baggage-handling system.
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Key Terms

  • trace detection
  • detection techniques
  • explosive materials
  • operational subsystem
  • explosives detection

  • nonexplosive materials
  • proper operation
  • configuration management
  • software components
  • bulk explosives

  • performance verification
  • discriminate explosive
  • analysis subsystem
  • bulk detection
  • firmware components

  • nuclear particles
  • chemical methods
  • power supplies
  • mechanical components
  • missed detections

  • misidentify common
  • attenuation coefficient
  • detection involves
  • transform raw
  • nonthreat items

  • support utilities
  • chemical properties
  • detection sample
  • particle detection
  • electronic preamplifiers


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