Vivaldi antennas
Anisotropic Zero Index Material: a Method of Reducing the Footprint of Vivaldi Antennas in the UHF Range
... a Vivaldi antenna with a coplanar design. Vivaldi antennas have a number of advantages that make them very attractive for many RF applications: they can be easily fabricated with PCB fabrication ...
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An Array of m -Shaped Vivaldi Antennas for UWB Applications
... of Vivaldi antenna make it a good candidate in various modern wireless applications [11, ...a Vivaldi antenna has boundless scope of working frequencies with consistent beam width over the entire bandwidth ...
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Experimentally Validated, Wideband, Compact, OAM Antennas Based on Circular Vivaldi Antenna Array
... Figures 2(a) and 2(b) show the top and bottom views of the element Vivaldi antennas. Their substrate is FR4. Its relative permittivity is 4.4; thickness is 0.8 mm; the thickness of its electrodeposited ...
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Compact 30:1 Bandwidth Ratio Balun for Printed Balanced Antennas
... The primary motivation of this paper is to design a new ultra-wideband balun with compact size for printed balanced antennas. By utilizing the electric filed distribution characteristics of the two different types ...
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A Novel Miniaturized Vivaldi Antenna for Ultra-Wideband Applications
... wave antennas, a Vivaldi antenna has theoretically infinite bandwidth, especially for high ...a Vivaldi antenna that reaches at least half-wavelength of the corresponding frequency can be effective ...
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Designing Vivaldi Antenna with Various Sizes using CST Software
... A notch is formed in the conductive layer and the gap between the sides of the slot widens from minimum at closed end of the slot to a maximum at the open end. The closed end of the notch line may be fed by any one of a ...
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An Analysis Of DS-UWB Vivaldi Antenna With Low Radar Cross Section (RCS) For Stealth Purposes
... designs. Vivaldi antennas are widely used in the fire control system for wide bandwidth and small physical ...stealth Vivaldi antenna design is highly desirable in many airborne applications ...
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A Compact Endfire Radiation Antenna Based on Spoof Surface Plasmon Polaritons in Wide Bandwidth
... Unlike Vivaldi antennas where slot is the primary radiator, the narrow slot in this design cannot provide an endfire radiation beam over a wide frequency band, and the corrugated SSPPs structure is ...
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Wideband Balanced Antipodal Vivaldi Antenna with Enhanced Radiation Parameters
... conventional Vivaldi antenna is one of the tapered slot antennas developed by Gibson in 1979 ...antipodal Vivaldi antenna (AVA) in 1988 [6]. Compared with the conventional Vivaldi antenna and ...
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Graphene – Based Vivaldi Antenna Using CST Software
... Vivaldi antennas provide medium gain depending on the length of the taper and the shape of the ...makes Vivaldi very good UWB radiator in cases when directional antenna is desired ...
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Probing the Feed Line Parameters in Vivaldi Notch Antennas
... in Vivaldi without cavity with open extremities [9] but the above quantity Vivaldi antennas bearing multi arm feed line ranges from 2 to 12 GHz ...antipodal Vivaldi Antenna is much large than ...
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Ultra Wide Bandwidth High Gain Vivaldi Antenna for Wireless Communications
... ultra-wideband antennas, which have compact size and high gain. Tapered slot antennas (TSA) with UWB and high gain are a suitable choice, which have advantages of compact size, wide impedance bandwidth, and ...
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Design and Optimization of Compact Balanced Antipodal Vivaldi Antenna
... Vivaldi antennas have suitable features for high directivity, low cross polarization and broad bandwidth ...antipodal Vivaldi antennas satisfy UWB requirements, their dimensions are normally ...
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Compressive Sensing Reconstruction of Wideband Antenna Radiation Characteristics
... wideband antennas can be a time intensive and an expensive process as many data points are required in both the angular and frequency ...of antennas from a sparse and random set of ...and Vivaldi ...
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Investigate And Optimize The Vivaldi Antenna For Ultra-Wideband Applications
... UWB antennas, this project had been focused on Antipodal Vivaldi ...Antipodal Vivaldi antenna is one of member of taper slot antenna which functioning as end fire and traveling wave antenna to ...
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Transients in antennas
... The transient radiation field of a rectangular loop antenna excited by a voltage step is considered by Dion.. The loops are fed at the midpoint of one of their.[r] ...
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Generation Of Electricity By Traffic Using Renewable Energy Resources
... Smart Antennas for Wireless Communications, optical antennas and Ultra-Wide Band Antennas applying fractal concepts and working in the Areas of Applications and developing new algorithms in Smart ...
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Aperture antennas
... and development of a specific wide beam antenna suitable for inclusion in a radar or communication array antenna is also presentedw In applications employing a wide beam antenna as an is[r] ...
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Phased arrays: A strategy to lower the energy threshold for neutrinos
... the antennas were carried along 100-m lengths of coax- ial Times Microwave LMR-240 along with DC power for the dual stage amplifier chains described in Section 2 mounted between the antennas in the ...
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Numerical Investigations of Ultra Wideband Stacked Rectangular DRA Excited by Rectangular Patch
... resonator antennas (DRAs) have become attractive to antenna engineers due to its several beneficial features, such as its small size, light weight, low loss, high radiation efficiency, and easy of ...
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