• DocumentCode
    528204
  • Title

    The determination of instantaneous displacement by envelope detection

  • Author

    Lang, Kuo-Chen ; Lin, Cheng-Min ; Chung, Chiu-Chiao ; Teng, Hui-Kang

  • Author_Institution
    Dept. of Comput. & Commun. Eng., Nan-Kai Univ. of Technol., Nantou, Taiwan
  • fYear
    2010
  • fDate
    5-9 July 2010
  • Firstpage
    668
  • Lastpage
    669
  • Abstract
    A simple envelope detection is developed to determine the small phase shift. This technique is demonstrated by sampling the quadrature signals given by a heterodyne interferometer, which is able to measure the displacement with λ/104 sensitivity.
  • Keywords
    displacement measurement; heterodyne detection; signal sampling; envelope detection displacement; heterodyne interferometer; phase shift; quadrature signal sampling; Displacement measurement; Frequency modulation; Interference; Maximum likelihood decoding; Maximum likelihood detection; Optimized production technology; Sensitivity;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    OptoElectronics and Communications Conference (OECC), 2010 15th
  • Conference_Location
    Sapporo
  • Print_ISBN
    978-1-4244-6785-3
  • Type

    conf

  • Filename
    5588373