circularly polarized feed array
Design of a Broadband Circularly Polarized Antenna Array
... broadband circularly polarized antenna array is proposed in this ...The array consists of four sequentially rotated feed groove-backed strip ...
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High Gain Circularly-Polarized Dielectric Resonator Antenna Array with Helical Exciter
... with thickness of 1.58 mm, loss tangent of 0.002 and dielectric constant of 4.4 has been taken for this design consideration. A power divider using a λ/4 transformer has been designed on the FR-4 substrate to feed ...
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Broadband Circularly Polarized Slot Antenna Array with Fan-Shaped Feed Line and L-Shaped Grounded Strips
... fan-shaped feed line, and the other is three L-shaped ...fan-shaped feed line is optimized for good impedance ...fan-shaped feed line and the L-shaped strips are shown in ...
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Accurate analysis and design of circularly polarized dual-feed microstrip array antenna using multiport network model
... Abstract– Microstrip Patch Antennas (MPAs) with circular polarization are used in many communication and radar systems. There are several methods and models to analyze and design these antennas. The Multiport Network ...
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High Gain Circularly Polarized Rectangular Dielectric Resonator Antenna Array with Helical-Like Exciter
... line feed [6, 7], co-axial probe [8], aperture coupled by microstripline or coplanar waveguide [9–11], conformal strip feed [12] and designed with various ...Recently, circularly polarized ...
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Circularly Polarized SIW Antenna Array Based on Sequential Rotation Feeding
... four-element array is obtained based on the SIW-based ...The feed network for the array also adopts SIW power divider with a radial configuration to improve radiation efficiency and enables easy ...
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High Gain and Broadband Circularly Polarized Square Slot Antenna Array
... Advance Design System (ADS) environment. Hence, the CPSSA elements are excited by respective similar signals and the signal to be radiated is thus circularly polarized. Each element is fed through the ...
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A Compact Circularly Polarized Microstrip Antenna with Bandwidth Enhancement
... The proposed single-feed compact CPMA, presented in Fig. 1, is composed of two-layer printed circuit boards (PCBs). The square radiating patch is printed on the top side of the upper layer (RO4003C, ε r1 = 3 . 38 ...
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Dual-Band Circularly-Polarized Monopulse Antenna System with Single Layer Patches and Separated Feed Networks
... single-layer array and slot antenna array on substrate integrated waveguide (SIW), ...addition, circularly polarized monopulse antennas are studied in some recent papers using SIW slot ...
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Broadband Circularly Polarized Slot Antenna Array Using a Compact Sequential-Phase Feeding Network
... broadband circularly polarized (CP) slot antenna array fed by an asymmetric coplanar waveguide (CPW) with stepped and inverted T-shaped strips is ...oblique feed and a modified ...
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RCS Reduction Using a Miniaturized Uni-Planar Electromagnetic Band Gap Structure for Circularly Polarized Microstrip Antenna Array
... derived from the difference of the feed network between the two antennas. The simulated (Sim) results have a good agreement with the measured (Mea) ones. As illustrated above, it can be concluded that the low RCS ...
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Novel Modeling and Design of Circularly Polarized Dielectric Resonator Antenna Array
... respect to the slot sides. This is the easiest way to acquire CP radiation compared to CP DRA arrays which were reported to use cross-slots, geometrically modified rectangular DRAs and elliptical resonators. Coupling ...
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A Circularly Polarized Dual-Axis Wide-Angle Rectenna Employing a Dual-Feed Array Antenna with Inclined Patches
... gain array antenna has been presented to improve the rectenna efficiency, and advantages and disadvantages of RF and DC combiner configurations were discussed ...combiner array rectennas have a narrow beam, ...
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Review of Circularly Polarized Microstrip Antennas for RFID Application
... linearly polarized, circularly polarized (CP) reader antennas have been used in UHF RFID systems for ensuring the reliability of communications between readers and tags ...[1,2].Circularly ...
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A Single-Feed Circularly Polarized Magnetoelectric Dipole Antenna for Wideband Wireless Applications
... Γ-shaped feed structure, the proposed antenna obtains a wide impedance ...Γ-shaped feed structure to the SMA connector, a hole with radius of 2 mm is punched on the ...
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A Review on Microstrip Patch Antenna for UHF RFID Tag Applications mounted on metallic surfaceNeha Saini, Vijay Kumar
... novel circularly polarized annular-ring tag antenna for RFID UHF band mounted on metallic ...regular circularly polarized circular microstrip ...
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Wide Beam Circularly Polarized Microstrip Antenna with Parasitic Ring for CNSS Application
... The feed point is located on 45 degree diagonal of the diameter along the two rectangular ...the feed point and the center of the main radiation patch is ...
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Single-Feed Circularly Polarized Annular Slot Antenna for Dual-Broadband Operation
... realize circular polarization. In [12], dual-band circularly polarized annular slot antenna is obtained by employing two square slots, a bended microstrip line and a cavity back. Dual-band CP radiation can ...
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A Novel Single Feed Omnidirectional Circularly Polarized Antenna with Wide Ar Bandwidth
... In this paper, we present a novel compact omnidirectional CP antenna with wide axial ratio bandwidth and high RHCP gain. The antenna consists of four curved branches which are electromagnetic coupling fed by L-shaped ...
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Wide-Band Dual Sense Circularly Polarized Resonant Cavity Antenna for X Band Applications
... Circularly polarized RCAs have been reported in the literature by using two different methods [4]. In the first method, a circular polarizer made up of partially reflecting surface (PRS) had been used as the ...
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