제어로봇시스템학회:학술대회논문집

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Adaptive IIR filter designed for the separation of scintillation and rain attenuation phenomena

  • Sangaroon, O. (King Mongkut´s Institute of Technology Ladkrabang) ;
  • Chutchavong, V. (King Mongkut´s Institute of Technology Ladkrabang) ;
  • Anekpongpun, K. (King Mongkut´s Institute of Technology Ladkrabang) ;
  • Benjangkaprasert, C. (King Mongkut´s Institute of Technology Ladkrabang) ;
  • Sooraksa, P. (King Mongkut´s Institute of Technology Ladkrabang) ;
  • Moriya, Y. (Tokai Univ.)
  • Published : 2001.10.01
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Abstract

The separation of scintillation phenomena concurrent with rain attenuation phenomena can be accomplished by filtering. Based on the analysis of satellite signal fading during rain, scintillation and rain attenuation phenomena are examined and extracting from raw data by using adaptive IIR high-pass filter and adaptive IIR low-pass filter. Adaptive IIR filter are designed by using the algorithm of Least Mean p-Power (LMP) Error Criterion which have been modified by Quantizing Gradient technique. This algorithm reduces amount of multiplication computational equal to the length of input data. It is prove here that the convergence speed, variance, bias independence on p values. For this application, p=1 is chosen. The procedure of application ...

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