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Generation of wide-band data from the method of moments by interpolating the impedance matrix [EM problems]

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1 Author(s)
E. H. Newman ; Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA

The method of moments (MM) requires computation of the impedance matrix at each frequency. Since the computation can be a very time-consuming process, its performance over a wide frequency range can require a prohibitive amount of CPU time. A method is described whereby the impedance matrix is computed at relatively large frequency intervals and then interpolated to approximate its values at intermediate frequencies. Basically, the method trades reduced computer CPU time for increased storage

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:36 ,  Issue: 12 )