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Method of Moments Based on Prior Knowledge for Solving Wide Angle EM Scattering Problems

  • 1School of Electronics and Information Engineering, Hefei Normal University, Hefei 230601

  • 2School of Electronics and Information Engineering, Anhui University, Hefei 230039

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  • Revised Date: October 27, 2014
  • Published Date: October 31, 2014
    Abstract
  • Aiming at fast analysis of wide angle electromagnetic scattering problems, compressed sensing theory is introduced and applied, and a new kind of sparse representation of induced currents is constructed based on prior knowledge that originates from excitation vectors in method of moments. Using the new kind of sparse representation in conjugation with compressed sensing, one can recover unknown currents accurately with fewer measurements than some conventional sparse representations in mathematical sense. Hence, times of calculation by traditional method of moments used to obtain the required measurements can be reduced, which will improve the computational efficiency.
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    • References (17)
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