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Träfflista för sökning "LAR1:lu ;pers:(Gustafsson Mats);pers:(Kristensson Gerhard)"

Search: LAR1:lu > Gustafsson Mats > Kristensson Gerhard

  • Result 21-30 of 56
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  • Larsson, Christer, et al. (author)
  • Calibration methods for wideband forward RCS measurements
  • 2010
  • In: Proceedings of the Fourth European Conference on Antennas and Propagation. - 9781424464319 - 9788476534724 ; , s. 1-5
  • Conference paper (peer-reviewed)abstract
    • Calibration is an important part in all radar cross section measurements. Two different approaches to the calibration of forward and extinction cross section measurements are therefore evaluated and discussed in this paper. The first method is the commonly used calibration method employing a calibration target with a known cross section while the second calibration method does not require a calibration target. It is concluded that the method utilizing a calibration target is the most accurate method of the two.
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  • Larsson, Christer, et al. (author)
  • Measuring the extinction cross section
  • 2009
  • In: [Host publication title missing]. - 9781424447534 ; , s. 3510-3513
  • Conference paper (peer-reviewed)abstract
    • This paper describes a method to determine the extinction cross section for a very large bandwidth in the microwave region. The method is based on measurements of the radar cross section in the forward direction to calculate the extinction cross section. The method is applicable to samples of arbitrary shape and composition. Coherent background subtraction and time domain gating is used for the frequency range [2.5, 38] GHz to increase the sensitivity. The efficiency of the background subtraction and the accuracy of the measurements are estimated.
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  • Larsson, Christer, et al. (author)
  • Wideband microwave measurements of the extinction cross section---Experimental techniques
  • 2009
  • Reports (other academic/artistic)abstract
    • This paper describes the development of a method to determine the extinction cross section for a very large bandwidth in the microwave region. The method is based on measurements of the radar cross section in the forward direction to calculate the extinction cross section for the frequency range [2.5,38] GHz. The method is applicable to samples of arbitrary shape and composition and can also be used for polarimetric measurements. Coherent background subtraction is used to remove the contribution from antenna to antenna coupling. Time domain gating is employed to increase the sensitivity. Different calibration methods are discussed. The efficiency of the background subtraction and the accuracy of the measurements are estimated.
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  • Result 21-30 of 56

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