The input impedance of a thin dipole with sinusoidal surface current distribution by the Poynting vector method

Autor:	S.K. Darbha, Robert H. MacPhie
Rok vydání:	1995
Předmět:	Physics Antenna measurement Input impedance law.invention Dipole Nuclear magnetic resonance law Quantum electrodynamics Poynting vector Dipole antenna Electrical and Electronic Engineering Antenna (radio) Monopole antenna Current density
Zdroj:	IEEE Transactions on Antennas and Propagation. 43:1336-1339
ISSN:	0018-926X
DOI:	10.1109/8.475111
Popis:	The input impedance of a thin (a/spl Lt//spl lambda/) center-fed dipole with an assumed sinusoidal surface current distribution is obtained by the Poynting vector method. It is shown that by retaining the surface current distribution rather than replacing it by the classical equivalent line current on the dipole axis, the Poynting vector method can be used in a straightforward way and the dipole impedance obtained as a series in powers of ka. The series is appropriately truncated to order (ka)/sup 2/ since it is assumed that the dipole is thin (ka/spl Lt/1). >
Databáze:	OpenAIRE
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