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Formulation of spherical near-field scanning for electromagnetic fields in the time domain

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1 Author(s)
Hansen, T.B. ; Rome Lab., ERCS, Hanscom AFB, MA, USA

Spherical near-field scanning techniques are formulated for electromagnetic fields in the time domain so that a single set of time-domain near-field measurements yields the far field in the time domain or over a wide range of frequencies. Probe-corrected as well as nonprobe-corrected formulations are presented. For bandlimited time-domain fields, sampling theorems and computation schemes are derived that give the field outside the scan sphere in terms of sampled near-field data

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Antennas and Propagation, IEEE Transactions on  (Volume:45 ,  Issue: 4 )