wide axial ratio bandwidth
Wide Axial Ratio Bandwidth, High Gain, and Low Profile Cavity Backed Circularly Polarized Elliptical Array for Satellite Applications
... novel 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 ...
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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 ...a wide impedance bandwidth and wide axial ...
10
Dual-Band Circularly Polarized Antenna with Low Wide-Angle Axial-Ratio for Tri-Band GPS Applications
... Multifarious microstrip antennas have been presented for GPS applications [4–7]. The proposed antenna in [4] is a dual-band circularly polarized cavity-backed annular slot antenna for GPS receiver with single-feed. Its ...
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Design of a Wideband Circularly Polarized Cross-Dipole with Wide Axial-Ratio Beamwidth
... Abstract—A novel wideband circularly polarized (CP) cross-dipole with wide 3 dB axial-ratio (AR) beamwidth is presented. To generate CP radiation, the cross-dipole is fed by a Wilkinson power divider ...
7
A Broadband Crossed Dipole Antenna with Wide Axial Ratio Beamwidth for Satellite Communications
... AR bandwidth, thus they are only suitable for the applications of narrow band wireless ...AR bandwidth about ...with wide AR beamwidth is presented, which has a 3-dB AR bandwidth of ...AR ...
6
A Single-Layer and Compact Circularly Polarized Wideband Slot Antenna Based on ``Bent Feed''
... structure, wide band, and easy ...a wide CP bandwidth, and a bent feeding line was used to improve impedance matching within a wide CP ...the axial ratio bandwidth in ...
6
A Millimeter wave Windmill shaped Magnetoelectric dipole Antenna with Broadband Circular Polarization and Wide Axial ratio Beamwidth
... than 100%, but their radiations are bi-directional. Generally, AR beamwidth wasn’t considered in those designs and good circular polarization only maintained around the zenith, which would deteriorate the performances ...
6
A Novel Circularly Polarised Antenna with Wide Power and Axial-Ratio Beamwidth by Using Tilted Dipoles
... 3-dB axial-ratio beamwidth (ARBW) wider than 120 ◦ can transmit and receive signals at any place on the earth in GPS and ...achieve wide ARBW during past ...profile wide ARBW CP antennas were ...
7
Design of Circularly Polarized Omnidirectional Bifilar Helix Antennas with Optimum Wide Axial Ratio Beamwidth
... polarization bandwidth (AR ≤ 3 dB) of CP helix antenna varies from 34% (d = 80 mm) to 65% (d = 20 ...impedance bandwidth (for VSWR ≤ 2) referenced to the input resonant resistance of the antennas varies ...
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Wideband Single-Feed Circularly Polarized Antenna
... The antenna consists of an L-shaped probe, four parasitic patches perpendicular to the probe, and a planar reflector. By modifying the structure of the patches, two orthogonal radiation modes are created to realize the ...
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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 ...
8
Axial Ratio Enhancement of Equilateral Triangular-Ring Slot Antenna Using Coupled Diagonal Line Slots
... The goal of this study is to present a design for enhancing CP performance of ETRS to achieve wide 3-dB ARBW close to its impedance bandwidth. Since a conventional ETRS antenna is linearly polarized, CP ...
11
Design of Circularly Polarized Planar Magneto-Electric Dipole Antenna
... The width of ground plane is an important factor on which various antenna parameters depend. To analyze its impact on impedance bandwidth, gain and axial ratio, the 2 mm wide ground plane has ...
9
Broadband dipole antenna for DOA systems applications
... and 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 ...
5
Compact Dual-Band Circularly Polarized Patch Antenna with Wide 3-dB Axial Ratio Beamwidth for BeiDou Applications
... For bandwidth enhancement, techniques such as aperture feeding [17] and broadband four-feed circuit [18] were ...with wide 3-dB ARBW was reported by extending the substrate beyond the ground plane ...
11
Design of a Circularly Polarized Microstrip Antenna for WLAN
... impedance bandwidth, gain, and axial ratio bandwidth are compared with measured ...size, wide bandwidth, moderate gain and very good axial ratio bandwidth, ...
12
Wideband Circularly Polaried Cross Bowtie Dipole Antenna with Axial-Ratio Bandwidth Enhancement
... the Axial-ratio (AR) ...a wide impedance ...impedance bandwidth for VSWR ≤ 2 of 47.73% (1.93– 3.14 GHz) and a 3-dB AR bandwidth of ...
8
Single Feed Square Aperture Circular Polarized Antenna
... gain, axial ratio and radiation pattern of the antenna have been measured and ...good axial ratio which is smaller than 3 dB in most areas of the frequency ...with wide bandwidth ...
6
Design of a Broadband Circularly Polarized Antenna Array
... Abstract—A broadband circularly polarized antenna array is proposed in this paper. The array consists of four sequentially rotated feed groove-backed strip antennas. Compact size (46 mm × 46 mm × 1 . 6 mm), wide ...
9
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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