resonator antennas
Analysis and Design of Rectangular Uniaxial and Biaxial Anisotropic Dielectric Resonator Antennas
... Dielectric resonator antennas (DRAs) have received much attention due to several attractive characteristics, such as light weight, low profile and high radiation efficiency ...
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Investigation of Wideband One-Step Stair-Shaped Dielectric Resonator Antennas
... There has been increasing interest in investigations of the dielectric resonator antennas (DRAs) [1–4]. DRAs are known for the inherent merits of small size, ease of excitation, low dissipation loss and ...
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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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Compact Band-Notched UWB Dielectric Resonator Antennas
... dielectric resonator antennas (DRAs) with band-notched characteristics are ...dielectric resonator will resonate and generate band notches within the ultra-wide operating ...
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Dielectric Resonator Antennas with Band Rejection and Frequency Reconfigurability
... dielectric resonator antennas, and two types of reconfigurable dielectric resonator antennas are ...Dielectric Resonator (DR) placed on the patch of the antenna, using a DC stepper ...
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An Artificial Neural Network Approach for the Harmonic Design of Annular Ring Dielectric Resonator Antennas
... In the last decade, a considerable attention has been focused on dielectric resonator antennas (DRAs) as an alternative to microstrip ones [6–11]. DRAs represent a relatively novel application of dielectric ...
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Circular Polarized Dielectric Resonator Antennas Using a Single Probe Feed
... Dielectric Resonator Antennas (DRAs) are attractive as electromagnetic wave radiators due to high radiation efficiency, ease of excitation, simple geometry, compactness and ability to obtain different ...
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Mutual Coupling Between a Pair of Identical Beam Steering Dielectric Resonator Antennas
... dielectric resonator antennas (DRAs) and an omni-directional dielectric resonator antenna (DRA) is presented in this ...the antennas and manipulating the far field radiation pattern of each ...
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Design and Development of Microstrip Patch fed Dielectric Resonator Antennas for 8 -16 GHz frequency
... Dielectric resonator (DR) is a ceramic puck characterised by a definite volume, shape, high dielectric constant and low loss. Radiation from open DRs was realized by Richtmyer in 1939 [2]. But the first ...
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Integrated Ultra-Wideband Plannar Monopole with Cylindrical Dielectric Resonator Antennas
... Abstract—An ultra-wideband (UWB) planar monopole antenna integrated with a narrow-band (NB) cylindrical dielectric resonator antenna (DRA) is presented. The proposed antenna consists of a UWB monopole excited by a ...
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Effective Wave Guide Model (Ewgm) for Resonant Frequency Computation of Rectangular Dielectric Resonator Antennas
... metallic antennas. On the other hand, Dielectric Resonator Antenna (DRA) made up of low loss dielectric material is a potential candidate for high frequency ...
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Wideband Fabry-Perot Resonator Antenna with Single-Layer Partially Reflective Surface
... Abstract—A single-layer partially reflective surface (PRS) structure is presented to design single-feed Fabry-Perot resonator antennas (FPRA) with a large gain bandwidth and compact size. The design of the ...
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Bandwidth Enhancement Techniques of Dielectric Resonator Antenna
... The slot and DRA both radiates as a magnetic dipole and preserve the radiation patterns and polarization over the entire bandwidth. The method of fig. 8 combines a slot and DRA resonance and bandwidth of about 25 % has ...
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A Wideband Trapezoidal Dielectric Resonator Antenna with Circular Polarization
... Dielectric Resonator Antennas (DRA) have received lots of attention due to the attractive characteristics such as high radiation efficiency, considerable bandwidth, low temperature coefficient and low ...
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Numerical Investigations of Ultra Wideband Stacked Rectangular DRA Excited by Rectangular Patch
... dielectric 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 ...
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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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Designing of High Gain Hemispherical Dielectric Resonator Antenna with Electromagnetic Band-Gap Structure
... dielectric resonator antenna and the EBG ...microstrip antennas or dielectric resonator antennas, can significantly enhance its performance in terms of directionality, gain, bandwidth, return ...
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Stacked Conical-Cylindrical Hybrid Dielectric Resonator Antenna for Improved Ultrawide Bandwidth
... dielectric resonator antennas (DRAs) are reported in the literature such as hemispherical, cylindrical, and rectangular DRAs ...DR antennas is the narrow ...
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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 [1]. The DRA is useful for high frequency applica- tions where Ohmic losses become ...
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Broadband Circularly Polarized Dielectric Resonator Antenna with Annular Slot Excitation
... bandwidth than ordinary dielectric resonator antennas. The feeding mechanism is chosen with the proper parameters to achieve broadband impedance match and good circular polarization characteristic. The ...
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