UWB antennas
Comparison between Two CPW-FED UWB Antennas based on different feeding techniques
... In this section, various parametric analyses of the antenna which are inevitable for any UWB antennas are carried out and presented. The analysis and optimization were performed for the best impedance ...
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Dual and Tri-Band-Notched Ultrawideband (UWB) Antennas Using Compact Composite Resonators
... band-notched UWB antenna ...GHz) UWB antenna is ...band-notched UWB antennas are fabricated and ...for UWB system. The proposed antennas are expected to be good candidates in ...
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Polarization Diversity UWB Antennas with and Without Notched Bands
... of UWB antennas are presented. These antennas have the shape of two overlapped ...presented antennas are polarization diversity antennas with and without dual band reject ...the ...
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Study of Ellpitical Slot UWB Antennas with a 5.0--6.0 GHz Band-Notch Capability
... (UWB) antennas with different band rejection techniques are presented in this ...designed antennas consist of a defected ground plane with an elliptical slot and two different radiator ...
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UWB Antennas with Multiple Notched-Band Function
... one. UWB communication systems operating in ...of UWB systems with these communication systems can be avoided by using the band reject filers within UWB ...utilize UWB antenna having band ...
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Calibration of Time-Domain Transfer Function for UWB Antennas Based on Antennas Factors in Frequency Domain
... Abstract—A new method for calculating the time-domain (TD) transfer function of ultra-wide band (UWB) antennas, which is used for measuring the electromagnetic pulse (EMP) at VHF, is proposed. The phase of ...
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A Survey on Recent Approaches in the Design of Band Notching UWB Antennas
... An extensive survey has been done over the recent UWB antennas with the band notching characteristics. All the methods; which were used by the authors, to notch the undesired frequencies are arranged in 4 ...
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Design and Analysis of Two Novel CPW-Fed Dual Band-Notched UWB Antennas with Modified Ground Structures
... the UWB communication systems has drawn researches attention ...monopole antennas have become a good solution for the ultra wide band (UWB) systems working within the frequency band of ...monopole ...
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UWB antennas for wireless communications
... of UWB antennas with reconfigurable band-rejection operation in the literature are listed in Table 2-3, which detailing in the antenna size, switching bands, switching type and number of ...the ...
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Compact UWB Antennas with Inverted E- and F-Shaped Slots for Bandnotch Characteristics
... In this paper, a new slot structure patch antenna is presented for band-notch UWB operating characteristics. The bandwidth of the proposed antenna is increased by using DGS in the ground plane. In addition, the ...
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A time domain spherical near-field measurement facility for UWB antennas employing a hardware gating technique
... A hardgating system for spherical near-field antenna mea- surements has been described operating in the time domain. An application specific pulse generator and a sampling re- ceiver enable the identification and the ...
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Bandwidth Enhancement of UWB Dual-Polarized Antennas
... The first concern regarding UWB antennas is the bandwidth. The IEEE standards [2] define the bandwidth of an antenna as the frequency range for which a characteristic (impedance, gain, efficiency, directivity ...
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Analysis of Band-Notched UWB Printed Monopole Antennas Using a Novel Segmented Structure
... are observed at 3 GHz, which is similar to the E-plane patterns of conventional dipole antennas. As frequency increases, the number of the lobes increases because the antennas are no longer small compared ...
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Very Compact 5.5 GHz Band-Notched UWB-MIMO Antennas with High Isolation
... entire UWB, some other narrow-band systems already exist [8, 9], such as wireless local area network (WLAN) operating in ...and UWB system, the UWB antennas with band-notch characteristics ...
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Compact Band-Notched UWB Dielectric Resonator Antennas
... Various UWB antennas [1–5] and band-notched UWB antennas [6–9] were developed for UWB systems, and most of them are based on the printed monopole antenna ...resonator antennas ...
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Proposal and Development of Two Directional UWB Monopole Antennas
... directional UWB monopole antennas are ...omnidirectional UWB rectangular planar monopole antennas can be applied for directional ...two UWB antennas the radiators have a ...
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Bandwidth Enhancement of Compact Monopole Antennas for Application in UWB Communication System
... the UWB technology has huge potential in the development of various present wireless communication systems, the ...regulation, UWB technology received great attention in various fields for the ...
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A Stopband Control Technique for Conversion of CPW-Fed Wideband Antennas to UWB
... equipment. UWB antennas are used for short range high bandwidth communications like indoor wireless networks, sensor networks, automatic target recognition, RF industrial, SAR system integration and ...
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On the System Modeling of Antennas
... of antennas, the effective lengths (or effective heights) have been firstly considered in the literature [1, ...the UWB technology, the transfer function ...Therefore, UWB antennas are consid- ...
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The Impact of Substrate Materials to the Design of UWB Modern Antennas
... Some UWB signals were emitted by Hertz in 1887 [17], but the year 2002 awakened both academic and indus- trial research attention that is continually paid on UWB antennas ...monopole antennas ...
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