[PDF] Top 20 Sistema para la gestión de academias: (SIGA)

... simulated gain as a function of frequency for the two antennas, with and without EBG ...EBG structure allows us to increase the gainof the antenna around the operating ...the gain achieved and ... See full document

... and high-profile ...the gain of low-profile microstrip patch ...patch antenna (as a substrate below the substrate), we show that the gain of the antenna can be enhanced ...the ... See full document

... (electromagnetic band-gap structure)for the performance enhancement of hemispherical dielectric resonator ...the dielectric resonator antenna ...the ... See full document

... for designing filtering ...using antenna radiators to replace the last-stage resonators of filters, and the method is called filter synthesis approach [5, ...called antenna fusion ...and gain ... See full document

... for gain enhancement of dielectric resonator antennas have been ...the gain in the boresigth direction [15–17]. The use of electromagnetic band gap (EBG) structures to ... See full document

... An antenna is transducer which converts the electric signal into electromagnetic wave and vice ...planar structure and less fabrication cost microstrip antenna is best antenna ...with ... See full document

... proposed antenna. The proposed antenna is simple and inexpensive to ...the antenna has been performed using Ansys High-Frequency Structure Simulator (HFSS) based on the ... See full document

... bandwidth and is difficult to model since a hole has to be drilled in the substrate and the connector protrudes outside the ground plane, thus not making it completely planar for thick substrates (h > 0.02λo). Also, ... See full document

... structured antenna, it has been observed that it resonates at triple ...The band reject characterization of an EBG layer corresponds to the reflection coefficient ...the antenna is reduced, it ... See full document

... proposed antenna has been designed at a centre frequency of ...and dielectric constant of 20 has been taken for the base element, then a four-element array has been designed to operate at ... See full document

... Guha and Antar [5] reported a new design by using a set of four CDRAs symmetrically arranged around a cen- trally located coaxial probe covered by a dielectric rod to achieve wideband performance by merging ... See full document

... The new reflectarray antenna design consists of dielectric resonator antenna (DRA) unit-cell loaded with alphabet shape slot. Due to the interesting features of DRA such as low loss, broad ... See full document

... DRAs topologies as rectangular, cylindrical, hemi- spherical, circular, triangular etc. are possible with vari- ous feed techniques, for a single-mode excitation, the DRA’s bandwidth doesn’t exceed 15%. Recently, dif- ... See full document

... copper strips are pasted at the corner of the dielectric radiator to improve matching at both the bands. A cylindrical air-gap introduced in the radiator improves isolation up to 25 dB and 20 dB at lower ... See full document

... C-EBG structure in the transversal direction on the plane where the MLIN with inserted patches of the C- EBG structure is ...C-EBG structure under ... See full document

... of electromagnetic band gap (EBG) structures in the microwave and antenna community, paired with the demand for sophisticated antennas that can effectively respond to the requirements of ... See full document

... material. Dielectric resonator antenna with sapphire material overcomes drawbacks of ceramic material and thus outweighs dielectric resonator antenna with ceramic material in ... See full document

... EBG structure is presented. By making slots on Sievenpiper High Impedance Surface (HIS) to increase the inductance and capacitance, the resonant frequency of the EBG structure can be significantly ... See full document

... Alhamdulillah, praise be to Allah, the Cherisher and Sustainer of world, most Gracious, most Merciful Lord. Praise be to Allah for enabling me to complete this analysis and research for Electromagnetic Band ... See full document

... single band dielectric resonator antenna designs have been found in ...single band dielectric resonator antenna design, excited by Substrate Integrated Waveguide ... See full document