It has been shown by Bouwkamp and deBruijn that the directivity of a linear current distribution of fixed length may be made arbitrarily large. By a slight extension of their arguments, the same conclusion is demonstrated for a two-dimensional current distribution and for a distribution of current on an infinite strip.
No takes yet. Share an insight, caveat, or question.
H.J. Riblet (1948) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: