Results 161 to 170 of about 639 (214)
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A tactical broadband omnidirectional antenna
2008 Asia-Pacific Microwave Conference, 2008In this paper, a vertically polarized broadband antenna with an adjustable shape for specific applications in the VHF and UHF bands is proposed. This antenna is a compact monopole with a pseudo-conical shape set on a rectangular ground plane, partially made of wire netting.
Palud, Sébastien +3 more
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2016
Apart from the sleeve monopole, this chapter discusses other broadband antennas as well, and the performance evaluation in terms of various measured and simulated parameters is also illustrated. This chapter will help antenna engineers get a better understanding of the antennas discussed and make a comparison with other broadband antennas.
Zhiya Zhang +7 more
openaire +1 more source
Apart from the sleeve monopole, this chapter discusses other broadband antennas as well, and the performance evaluation in terms of various measured and simulated parameters is also illustrated. This chapter will help antenna engineers get a better understanding of the antennas discussed and make a comparison with other broadband antennas.
Zhiya Zhang +7 more
openaire +1 more source
A broadband microstrip antenna: SGMFP antenna
Microwave and Optical Technology Letters, 2003AbstractA novel structure of broadband microstrip antennas, termed the SGMFP antenna, is proposed. It is consisted of a slot in the ground plane, a microstrip feedline supported on a substrate, a foam layer, and a patch. It can achieve broad bandwidth and high polarisation purity.
S. Gao +3 more
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Broadband/Multiband Printed Antennas
IEICE Transactions on Communications, 2005Broadening the frequency bandwidth of antennas has been one of the major subjects concerning antenna design technologies. Two of the major subjects for microstrip antennas, which appeared in the 1970s, have also been the broadening of the frequency bandwidth and the sharing of multifrequency bands. In this paper, we describe the broadband and multiband
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2014
In this chapter we will study some simple dipole type configurations that can provide a broader bandwidth: the cylindrical dipole and biconical antenna. In addition, the chapter introduces the folded dipole antenna, which can provide better matching characteristics than that of the single dipole.
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In this chapter we will study some simple dipole type configurations that can provide a broader bandwidth: the cylindrical dipole and biconical antenna. In addition, the chapter introduces the folded dipole antenna, which can provide better matching characteristics than that of the single dipole.
openaire +1 more source
2012
This thesis investigates a novel dual frequency range low profile antenna system containing two nested spiral antennas operating over 2 – 18 GHz and 30 – 40 GHz respectively. The exploration and development of a broadband microstrip spiral without cavity backing has been implemented in the range of 2 - 18 GHz.
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This thesis investigates a novel dual frequency range low profile antenna system containing two nested spiral antennas operating over 2 – 18 GHz and 30 – 40 GHz respectively. The exploration and development of a broadband microstrip spiral without cavity backing has been implemented in the range of 2 - 18 GHz.
openaire +1 more source
Radio Engineering and Telecommunication System
The directional patterns (DP) of antennas for the monopulse (MP) coordinate measurement method have complex, sometimes contradictory, requirements. For a survey station, for a number of reasons, some kind of compromise must be provided between the absolute signal level and the width of the linear area of the direction finding characteristic (DFC ...
R. O. But, N. V. Samburov
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The directional patterns (DP) of antennas for the monopulse (MP) coordinate measurement method have complex, sometimes contradictory, requirements. For a survey station, for a number of reasons, some kind of compromise must be provided between the absolute signal level and the width of the linear area of the direction finding characteristic (DFC ...
R. O. But, N. V. Samburov
openaire +1 more source