• DocumentCode
    2122596
  • Title

    A Fourier Transform Based Technique for Reduction of Standing Waves in Millimeter Wave Spectral Line Measurements

  • Author

    Koistinen, Olli ; Räisänen, Antti

  • Author_Institution
    Helsinki University of Technology, Radio Laboratory, Otakaari 5 A, FIN-02150 Espoo, Finland
  • Volume
    2
  • fYear
    1994
  • fDate
    5-9 Sept. 1994
  • Firstpage
    1404
  • Lastpage
    1408
  • Abstract
    A standing wave due to reflections from the calibration loads is regularly detected in millimeter-wave spectral line measurements using load switching techniques. A Fourier transform based technique for reduction of the standing wave is presented in this paper. This new method has been demonstrated in the case of an ozone radiometer at 110.836 GHz. The results compare favorably with those obtained with mechanical phase shifter reduction techniques.
  • Keywords
    Calibration; Dielectric measurements; Fourier transforms; Millimeter wave measurements; Millimeter wave technology; Phase measurement; Phase shifters; Polynomials; Radiometry; Reflection;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Microwave Conference, 1994. 24th European
  • Conference_Location
    Cannes, France
  • Type

    conf

  • DOI
    10.1109/EUMA.1994.337412
  • Filename
    4138458