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Publisher DOI: 10.5194/ars-14-25-2016
Title: Design and analysis of ultra-wideband antennas for transient field excitations
Language: English
Authors: Kotzev, Miroslav A. 
Kreitlow, Matthias 
Gronwald, Frank 
Issue Date: 28-Sep-2016
Publisher: Copernicus Publications
Source: Advances in Radio Science (14): 25-29 (2016)
Journal or Series Name: Advances in radio science 
Abstract (english): This work addresses the design of two ultrawideband antennas for the application of transient field measurements that are characterized by frequency spectra that typically range from a few MHz to several GHz. The motivation for their design is the excitation of high power transient pulses, such as double exponential or damped sinusoidal pulses, within highly resonant metallic enclosures. The antenna design is based on two independent numerical full-wave solvers and it is aimed to achieve a low return loss over a wide range of frequencies together with a high pulse fidelity. It turns out that antennas of the conical and discone type do achieve satisfactory broadband characteristics while limitations towards low frequencies persist. Also the concept of fidelity factor turns out as advantageous to determine whether the proposed antennas allow transmitting certain broadband pulse forms.
DOI: 10.15480/882.1819
ISSN: 1684-9973
Institute: Theoretische Elektrotechnik E-18 
Type: (wissenschaftlicher) Artikel
License: CC BY 3.0 (Attribution) CC BY 3.0 (Attribution)
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