• DocumentCode
    974451
  • Title

    Depth of field improvements in long wavelength imaging systems

  • Author

    Bennett, Janine C. ; Yamani, A.

  • Author_Institution
    University of Sheffield, Department of Electronic & Electrical Engineering, Sheffield, UK
  • Volume
    17
  • Issue
    22
  • fYear
    1981
  • Firstpage
    860
  • Lastpage
    862
  • Abstract
    An alternative approach to the problem of depth of field limitations in long wavelength imaging systems is proposed. A simulation is presented to demonstrate the capabilities of the method and its feasibility is demonstrated at a free-space ultrasonic frequency of 40 kHz.
  • Keywords
    acoustic imaging; 40 kHz; field limitation depth; free-space ultrasonic frequency; long wavelength imaging systems; simulation;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19810598
  • Filename
    4246079