Results 51 to 60 of about 8,466 (210)
Integrated Filter Antennas for Wireless Transceivers [PDF]
, 2017 This thesis presents the research carried out on the integration of filters and antennas for wireless transceivers. Filters and antennas are parts of wireless transceivers of all wireless communication systems. Filters and antennas, albeit connected, are
Ahmad, W.
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Compact circularly polarized metasurface antenna based on characteristic mode analysis
Electronics LettersThis article introduces a novel, single‐layer, low‐profile, circularly polarized metasurface antenna. Through characteristic mode analysis, the optimization of a 3×3 rectangular metasurface structure was performed.
Qing Wang +4 more
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IET Microwaves, Antennas & Propagation, 2021 Achieving a high‐gain omnidirectional patch antenna with low profile is a challenging task. On the basis of improving antennas by metamaterials, a broadband near‐zero‐index metamaterial (NZIM) is designed to enhance the horizontal gain of the ...
Tianqiang Zhang +3 more
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Antenna arrays focused by broadband signals
Физика волновых процессов и радиотехнические системы, 2015 Broadband and ultra-wideband signals are increasingly used in modern antenna technology, and various radio systems. Traditional performance evaluation antennas operating with narrow band signals are not always adequately reflect the characteristics of ...
Yu.E. Sedelnikov, D.A. Vedenkin
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IEEE Access, 2019 An ultralow profile, dual-wideband and low passive intermodulation (PIM) in-building ceilingmount antenna for long term evolution (LTE) distributed antenna system (DAS) application is presented.
Kok Jiunn Ng +4 more
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Filter bank based fractional delay filter implementation for widely accurate broadband steering vectors [PDF]
, 2013 Applications such as broadband angle of arrival estimation require the implementation of accurate broadband steering vectors, which generally rely on fractional delay filter designs.
Weiss, Stephan +3 more
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Design of a Highly Durable X-Band Array Antenna for Military Radar Systems [PDF]
Journal of Electromagnetic Engineering and ScienceIn this paper, we propose a design technique for a highly durable X-band array antenna operating in the harsh maritime environment of military ships.
En-yeal Yim, Doyoung Jang, Hosung Choo
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Optimization of a 12.5 GHz microstrip antenna array using Taguchi's method [PDF]
, 2011 This Article is provided by the Brunel Open Access Publishing Fund - Copyright 2011 @ Hindawi PublishingThis paper presents Taguchi's optimization method implemented in the design of a single feed (without any matching network) 5×5 microstrip antenna ...
K. Tsiakmakis +9 more
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Implementation of accurate broadband steering vectors for broadband angle of arrival estimation
, 2013 Motivated by accurate broadband steering vector requirements for applications such as broadband angle of arrival estimation, we review fractional delay filter designs.
Alrmah, M. A. +8 more
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Study and miniaturisation of antennas for ultra wideband communication systems
, 2009 PhDWireless communications have been growing with an astonishing rate over the past few years and wireless terminals for future applications are required to provide diverse services.
Guo, Lu
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