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  4. Design of a disc-cone antenna for passive radar in the DVB-T frequency range
 
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2011
Conference Paper
Title

Design of a disc-cone antenna for passive radar in the DVB-T frequency range

Abstract
Multi-static transmitter networks are found in the digital broadcast service nets for radio (DAB) and television (DVB-T) with bandwidths ranging from 1.5 to 7 MHz and transmit powers between 1 and 10 kW. Taking advantage of these transmitter networks for radar purposes combines the covertness of a hardly locatable receiver with the advantageous anti-stealth detection capabilities of the VHF/UHF frequency range and the simultaneous multi-static illumination under different aspect angles. Increased multi-static coverage at low elevations and diffraction propagation add to the detection of low flying objects. Passive, multi-static, low frequency radars are thus expected to have decisive potentials to detect stealth and low flying targets. The proposed paper presents the design of a wideband discone antenna element for use in a technology demonstrator system currently developed at Fraunhofer FHR. The specification of the antenna array aimed at the DVB-T frequency range and the simulation results as well as some preliminary experimental results are shown.
Author(s)
Knott, P.
Nowicki, T.
Kuschel, H.
Mainwork
GeMIC 2011, German Microwave Conference  
Conference
German Microwave Conference (GeMiC) 2011  
Language
English
Fraunhofer-Institut für Hochfrequenzphysik und Radartechnik FHR  
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