On the Adequacy of the Far-Field Conditions for Pulsed Radiated EM Fields

Ion E. Lager, A.B. Smolders

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
11 Downloads (Pure)

Abstract

The far-field region’s bound is investigated in case of the pulsed electromagnetic field radiation. The value predicted by means of “standard,” time-harmonic considerations is compared with that following from the ratio between the maximum value of the time-domain, near- and far-field magnetic field strength
constituents. The adequacy of these criteria is analyzed in the case of a loop-to-loop transfer scenario. The obtained results are of relevance for close-range, wireless digital transfers and provide a safety margin for ensuring the adequacy of the “standard” far-field region’s limit in ultrawideband links.
Original languageEnglish
Pages (from-to)1561-1564
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume14
DOIs
Publication statusPublished - 2015

Keywords

  • Near fields
  • time-domain analysis
  • ultrawideband (UWB) antennas

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