DocumentCode
1933424
Title
Stored energy of coupled electric and magnetic currents and the lower bound on Q
Author
Kim, Oleksiy S.
Author_Institution
Dept. of Electr. Eng., Tech. Univ. of Denmark, Lyngby, Denmark
fYear
2015
fDate
13-17 April 2015
Firstpage
1
Lastpage
2
Abstract
New expressions for the stored energy and radiated power of an arbitrary combination of electric and magnetic currents in free space are presented. These expressions enable the calculation of the fundamental lower bound on Q for arbitrary-shaped electrically small antennas of finite size.
Keywords
antenna theory; electromagnetic wave propagation; Q-lower bound; coupled electric-magnetic currents; electrically small antennas; finite size antenna; radiated power; stored energy; Current density; Dipole antennas; Energy storage; Magnetic cores; Magnetic resonance; Shape; Q-factor; electrically small antennas; physical bounds; reactive energy;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation (EuCAP), 2015 9th European Conference on
Conference_Location
Lisbon
Type
conf
Filename
7228752
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