Eur. Phys. J. Appl. Phys.
Volume 39, Number 2, August 2007NUMELEC 2006
|Page(s)||79 - 83|
|Section||Microelectronics and Optoelectronics|
|Published online||30 May 2007|
Approximation of the impulse response of an ultra-wide band antenna
Institute of Microelectronics, Electromagnetism and Photonics, 3 Parvis Louis Neel, 38016 Grenoble Cedex 1, France
2 Military Equipment and Technology Research Agency, Navy Research Center, Str. Stefanita-Voda Nr.4, 900402 Constanta, Romania
Corresponding author: firstname.lastname@example.org
Accepted: 3 April 2007
Published online: 30 May 2007
Ultra-wide band antennas can be characterized by the time-domain impulse response. This paper introduces an approximate form of the impulse response that can be calculated by applying the method of moments to the Freedholm integral equation of convolution. Numerical results are compared to those obtained using the traditional frequency-domain approach. The validity of the approximate impulse response and the application constraints are also discussed. It is shown that the time-domain approach is faster than the frequency-domain approach while the accuracy is preserved.
PACS: 02.60.-x – Numerical approximation and analysis / 03.50.De – Classical electromagnetism, Maxwell equations / 84.40.Ba – Antennas: theory, components and accessories
© EDP Sciences, 2007
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