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소형 안테나 ( Small Antennas )
김기채
- Vol. 3, Iss: 2, pp 79-83
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The article was published on 1992-12-01 and is currently open access. It has received 298 citations till now.read more
Citations
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Journal ArticleDOI
Antenna design for UHF RFID tags: a review and a practical application
TL;DR: An overview of antenna design for passive radio frequency identification (RFID) tags is presented, which outlines a generic design process including range measurement techniques and focuses on one practical application: RFID tag for box tracking in warehouses.
Journal ArticleDOI
Metamaterial-based efficient electrically small antennas
TL;DR: In this paper, a metamaterial paradigm for achieving an efficient, electrically small antenna is introduced Spherical shells of homogenous, isotropic negative permittivity (ENG) material are designed to create a resonant system for several antennas: an infinitesimal electric dipole, a very short center-fed cylindrical electric dipoles, and a coaxially-fed electric monopole over an infinite ground plane.
Journal ArticleDOI
The Koch monopole: a small fractal antenna
TL;DR: In this article, the behavior of the small fractal Koch monopole is numerically and experimentally analyzed, and it is shown that as the number of iterations on the small Koch monopoles are increased, the Q of the antenna approaches the fundamental limit for small antennas.
Journal ArticleDOI
Active integrated antennas
TL;DR: Active integrated antenna (AIA) technologies have been extensively studied in the past decade or so as discussed by the authors, with a brief introduction on the definition and some historical remarks on the research effort on the past decades or so.
Journal ArticleDOI
Application of double negative materials to increase the power radiated by electrically small antennas
TL;DR: In this paper, the effect of surrounding an electrically small dipole antenna with a shell of double negative (DNG) material has been investigated both analytically and numerically, and it is shown that a properly designed dipole-DNG shell combination increases the real power radiated by more than an order of magnitude over the corresponding free space case.
References
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Journal ArticleDOI
Physical Limitations of Omni-Directional Antennas
TL;DR: In this paper, the physical limitations of omni-directional antennas are considered and the potentiality of a broad band width of an antenna with the maximum dimension of 2a has been shown.
Journal ArticleDOI
Antenna design for UHF RFID tags: a review and a practical application
TL;DR: An overview of antenna design for passive radio frequency identification (RFID) tags is presented, which outlines a generic design process including range measurement techniques and focuses on one practical application: RFID tag for box tracking in warehouses.
Journal ArticleDOI
Fundamental Limitations of Small Antennas
TL;DR: In this paper, a simple formula for the more fundamental properties of small antennas and their behavior in a simple circuit is given for 1-Mc operation in typical circuits, which indicates a loss of about 35 db for the I.R.E. standard capacitive antenna, 43 db for a large loop occupying a volume of 1 meter square by 0.5 meter axial length, and 64 db for an antenna loop of 1/5 these dimensions.
Journal ArticleDOI
Fundamental limitations in antennas
TL;DR: In this article, four fundamental limitations in antennas have been identified in the areas of: electrically small antennas, super-directive antenna, superresolution antennas, and high-pin antennas.
Journal ArticleDOI
Metamaterial-based efficient electrically small antennas
TL;DR: In this paper, a metamaterial paradigm for achieving an efficient, electrically small antenna is introduced Spherical shells of homogenous, isotropic negative permittivity (ENG) material are designed to create a resonant system for several antennas: an infinitesimal electric dipole, a very short center-fed cylindrical electric dipoles, and a coaxially-fed electric monopole over an infinite ground plane.