axial ratio bandwidth
Wide Axial Ratio Bandwidth, High Gain, and Low Profile Cavity Backed Circularly Polarized Elliptical Array for Satellite Applications
... wide axial ratio bandwidth (ARBW), high gain, and low profile left- hand circularly polarized [4 × 4] elliptical microstrip array suitable for Ku-band satellite TV reception applications is ...loss ...
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Wideband Circularly Polaried Cross Bowtie Dipole Antenna with Axial-Ratio Bandwidth Enhancement
... Abstract—A wideband circularly polarized (CP) cross-dipole antenna is proposed for wireless applications. In this design, four parasitic square patches are utilized around the radiation patch to enhance the ...
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Design and Analysis of Microstrip Patch Antenna for WLAN and Vehicular Communication
... impedance bandwidth of monopole ...impedance bandwidth of ...impedance bandwidth of ...impedance bandwidth has been increased, this change in length shows vital impact on axial ...
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A Single-Layer and Compact Circularly Polarized Wideband Slot Antenna Based on ``Bent Feed''
... With the rapid development of wireless communication systems, broadband circularly polarized (CP) antennas are highly demanded. Recently, the design of a broadband CP antenna has been a topic of concern for antenna ...
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Design of Circularly Polarized Planar Magneto-Electric Dipole Antenna
... A novel and simple circularly polarized planar magneto-electric dipole antenna with inverted U-shaped feed design has been designed and fabricated. The measured and simulated results indicate that it possesses 21.1% ...
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Circularly Polarized Array Antenna Using the Sequential Rotation Network Feeding for X-Band Communication
... wider axial ratio bandwidth than the measured result, obtaining ...narrower bandwidth of axial ratio about 11%, with the lower frequency at ...deeper axial ratio ...
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An Improvement to Directional Equiangular Spiral Antenna with Wide CP Band, High Gain and Low Profile
... simulated axial ratios of Ant1 and Ant2 versus frequency are shown in ...simulated axial ratio of Ant1 is less than 3 dB in the band almost from ...simulated axial ratio of Ant2 is less ...
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Wideband Cavity-Backed Crossed Dipoles for Circular Polarization
... A novel CBCDA is investigated in the paper. By using the crossed dipoles as an exciter, broadband CP performances are achieved. From the simulated results, the antenna shows a 3-dB axial-ratio ...
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Wideband Single-Feed Circularly Polarized Antenna
... dB axial ratio bandwidth of 82% from 1 to ...3-dB axial ratio bandwidth of this antenna is ...3-dB axial ratio bandwidth is ...polarization bandwidth ...
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Circularly-Polarized Stacked Annular-Ring Microstrip Antenna
... and axial ratio bandwidth) of multi-band ring microstrip ...the axial ratio in the direction of maximum ...the axial ratio for low elevation ...
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Design of a Circularly Polarized Microstrip Antenna for WLAN
... Abstract—The design and performance of a circularly polarized microstrip patch antenna, for the application in Wireless Local Area Network (WLAN), are reported here. The antenna is a proximity coupled microstrip patch ...
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A New Spiral Antenna with Improved Axial Ratio and Shorted Arm Length
... In many occasions, short arm length is necessary. In recent studies, spiral antennas with planar feeding structure have attracted more attraction. The traditional balun usually has a significantly long length and extends ...
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A Comparative Analysis of a Circularly Polarized Microstrip Patch Antenna with & Without U Slot
... patch antenna at L-band is designed. The antenna contains a U-Slot and designed with DGS technique to reduce the size of antenna. U-slot etched in the antenna allowed the fabrication on a high-dielectric-constant (10.2) ...
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Design of a Broadband Circularly Polarized Antenna Array
... In this paper, a sequentially rotated feed circular polarized antenna array with broadband performances is proposed. According to the experimental results, the − 10 dB impedance bandwidth is 72.9% (4.62–9.92 GHz), ...
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Design of Broadband Circular Polarization Truncated Horn Antenna with Single Feed
... broad axial ratio bandwidth which is insensitive to the probe feed dimension is ...dB axial ratio of 26% with aperture efficiency of ...
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A Terahertz Quarter Wave Plate Based on Staggered Split Ring Resonators
... Abstract—In this paper, we propose a transmissive quarter wave plate (QWP) which can provide linear-to-circular polarization conversion in terahertz (THz). The structure is composed of one dielectric layer with staggered ...
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Broadband dipole antenna for DOA systems applications
... wide bandwidth axial ratio is complex in most cases, in this sense, a circular patch design with circular polarization and reconfigurable sense of rotation is presented in [6] achieving ...impedance ...
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A Novel CPW-Fed Planar Monopole Antenna with Broadband Circularly Polarization
... broad bandwidth are needed in modern communication applications to obtain a high data rate and provide high-speed multimedia service ...impedance bandwidth and wide axial ratio ...
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A Non Dimensional Consideration in Combustor Axial Stress Computations
... Kubo et al. [4] investigated a multidisciplinary prob- lem of heat conduction, elastic deformation, heat transfer, liquid flow. They used inverse method for determining the optimum thermal load history which reduced ...
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The Axial Ratio of Planar Arrays with Random Element Errors
... In Section 2 we present the crossed dipoles array model for the planar array, and we define the errors in the feeding currents. In Section 3 we derive the approximate expression of the Axial Ratio (AR) as a ...
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