circular cylindrical dielectric resonator antennas
Dielectric Resonator Antenna Mounted on a Circular Cylindrical Ground Plane
... a cylindrical surface is a basic one in many important practical ...on cylindrical surface has not been considered. Also, antennas on cylindrical structures play considerable roles in modern ...
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Integrated Ultra-Wideband Plannar Monopole with Cylindrical Dielectric Resonator Antennas
... The integrated antenna is shown in Figure 1. To ensure that the sensing can measure interferences in the same polarization as the operation, the two ports must be collinear. Therefore, the two ports are designed at the ...
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Numerical Investigations of Ultra Wideband Stacked Rectangular DRA Excited by Rectangular Patch
... adequate antennas for UWB spectrum. The proposed antennas are mainly based on planar monopoles with different shapes such as rectangular, circular, semi-elliptical, and trapezoidal forms [10–13] and ...
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Circular Polarized Dielectric Resonator Antennas Using a Single Probe Feed
... novel Dielectric Resonator Antennas (DRAs) providing Circular Polarization (CP) using single probe feeds are ...or cylindrical DRAinto two near-degenerate orthogonal resonant modes, CP ...
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Investigation of Wideband One-Step Stair-Shaped Dielectric Resonator Antennas
... stair-shaped dielectric resonator (DR) are ...a circular cross-section (shown in ...the cylindrical DRA. And the cylindrical DRA is a special case of the stair-shaped DRA with a ...
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Quintuple-Mode Wideband Substrate Integrated Waveguide Filter with Elliptic Dielectric Loading
... EDR dielectric and the main dielectric of the SIW ...EDR dielectric and principal SIW cavity dielectric, the S-parameters variations with various distances of air- gap representing by the ...
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Analysis and Design of Rectangular Uniaxial and Biaxial Anisotropic Dielectric Resonator Antennas
... anisotropic dielectric resonator antenna (ADRA) with uniaxial and biaxial permittivity tensors is characterized by using the dielectric waveguide ...
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Wideband Sierpinski Carpet Fractal Shaped Cylindrical Dielectric Resonator Antenna for X Band Application
... Dielectric resonator antennas (DRAs) have been sub- jected to many investigations since their introduction in 1983 ...for cylindrical DRA (CDRA) by Chair et ...
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Dual-Sense Dual-Polarized Hybrid Rectangular Dielectric Resonator Antenna for Multiband Applications
... of the ring lies in between 0.5 mm to 3.0 mm [13]. In the case of the proposed antenna, both conditions are fulfilled. From Eq. (1), the resonant frequency of the square-ring monopole is found to be 1.9 GHz. There is no ...
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Development of Polymer-Based Dielectric Resonator Antennas for Millimeter-Wave Applications
... Dielectric Resonator Antennas (DRAs) offer many appealing features such as larger impedance bandwidth and higher radiation efficiency due to the lack of conductor and surface wave losses ...
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A Wideband High-Gain Stacked Cylindrical Dielectric Resonator Antenna
... or gain bandwidth. Table 1 shows that both antennas have better performances than most of other existing DRAs when considering the bandwidth and gain simultaneously. In addition, the proposed DRA has a stable high ...
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Aperture and Mutual Coupled Cylindrical Dielectric Resonator Antenna Array
... The aperture and mutual coupled 3-element CDRA array fed through the microstrip line is designed and fabricated to operate at 5.0 GHz band for 802.11a system applications. Figure 2(a) shows the final fabricated design ...
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Higher Order Mode Layered Cylindrical Dielectric Resonator Antenna
... layered cylindrical DRA studies have focused on the impedance bandwidth enhancement of linearly polarized lower order mode ...wideband cylindrical DRA has not been reported in earlier studies neither for ...
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Two-Layer Sapphire Rectangular Dielectric Resonator Antenna for Rugged Communications
... systems. Antennas form the most integral part of any wireless communication ...efficient antennas are in great demand. Besides, it is desired that antennas should be of that type which can be scaled up ...
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A Survey on recent techniques to achieve Circular polarization for Wideband Dielectric Resonator antenna
... of dielectric resonator ...two dielectric of different permittivity is stacked together in order to achieve the enhanced bandwidth performance 1-9 ...the dielectric and by considering ...
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Design & Simulation of Monopole Dielectricresonator Antenna to Enhance B.W &Efficiency at WLAN & WIMAX Frequency
... The scope of this article is to design a monopole cylindrical and a conical Dielectric Resonator Antenna at 5.2 GHz using ’’CST microwave studio suites 2014’’and analyze the performance of parameters ...
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Wideband Circularly Polarized Dielectric Resonator Antenna with a Square Spiral Microstrip Feedline
... To obtain the circular polarization radiation two orthogonal fields with quadrature phase difference are needed. Different 2D traveling current distributions for various input signal phase angles have been ...
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International Journal of Scientific Research and Reviews A Survey on recent techniques to achieve Circular polarization for Wideband Dielectric Resonator antenna
... wherein, dielectric resonator antenna is combined with other antennas such microstrip antenna, monopoles etc in order to achieve enhanced bandwidth performance up to 117 ...individual antennas ...
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A Varactor-Tuned Aperture Coupled Dual Band Cylindrical Dielectric Resonator Antenna for C-Band Application
... This article presents tuning of the operating frequency of an aperture coupled cylindrical dielectric resonator antenna (CDRA) by using a varactor diode. The aperture-coupled source is mostly used ...
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Investigation of a Cross-Slot-Coupled Dual-Band Circularly Polarized Hybrid Dielectric Resonator Antenna
... Abstract—In this paper, a cross-slot-coupled dual-band circularly polarized (CP) hybrid dielectric resonator antenna (DRA) is presented. The design concept is based on using a cross-slot as both a feeding ...
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