Person: Betancourt QuiƱones, Diego
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Betancourt QuiƱones
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Diego
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IngenierĆa ElĆ©ctrica y ElectrĆ³nica
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Publication Open Access A general beam-forming network made with CORPS(2006) Betancourt QuiƱones, Diego; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaA new beam-forming network concept is introduced. This network is based in the design principles of CORPS. The new proposed structure presents an improvement in design over the traditional beam-forming network since, with this kind of feed networks, is feasible to reduce the number of the Phase Shifters of N:1. Two implementations, based on Gysel Power Dividers, are also showed to corroborate the theoretical concepts.Publication Open Access Coherently radiating periodic structures (CORPS) and the human eye: working principle(2005) Betancourt QuiƱones, Diego; IbƔƱez Loinaz, Asier; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaIn this paper a new philosophy to design antenna systems is presented. It is based on the recently proposed Coherently Radiating Periodic Structures (CORPS). These structures are essentially a periodic structure which all the elements are radiating elements coupled coherently (in-phase). The working principle of these structures is quite similar that the working principle of the photoreceptors of the human eye detecting images, opening the possibilities to define high resolution artificial visual systems.Publication Open Access Coherently radiating periodic structures (CORPS): aplicaciones prĆ”cticas(2005) IbƔƱez Loinaz, Asier; Betancourt QuiƱones, Diego; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaIn this paper some possible applications of the new philosophy to design antenna systems based on the Coherently Radiating Periodic Structures (CORPS) is presented. This principle could allow the designer to simplify the needed feeding network for many array antenna systems since some elements could be coupled from the neighbouring ones, keeping the original excitation profile. It will be also shown in this paper how the three dimensional version of CORPS could be understood as a focusing planar lens, since it is possible to distribute the information of one element to many radiating elements by using the coherent coupling mechanism between all the elements of the whole structure. With this configuration, many directive beams could be really close to each other, increasing the possibilities to handle high resolution in imaging systems.Publication Open Access Meta-material behaviour of the new Coherently Radiating Periodic Structures (CORPS)(2005) Betancourt QuiƱones, Diego; IbƔƱez Loinaz, Asier; GarcĆa Esparza, RaĆŗl; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaIn this paper, the study of the new Coherently Radiating Periodic Structures (CORPS) like a Metamaterial sets out. The shape of the structure under study is composed by two different layers, one layer is an array of square metallic patches and the other layer is an array of cross shaped slots. All the elements of each layer are placed in a rectangular lattice grid of lg, ensuring coherent coupling between elements of the same layer being this the main feature of the Coherently Radiating Periodic Structures (CORPS). To built up the whole structure, a total number of three layers (patches-slots-patches) are stacked and separated by dielectric slabs of either 10.2 or 1.0006 (air) of permittivity. The simulations were done using MoM and Finite Elements Method (i.e. Ansoft Designer and HFSS respectively).Publication Open Access Redes de alimentaciĆ³n de agrupaciones basadas en CORPS(2006) Betancourt QuiƱones, Diego; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaA new beam-forming Network concept is introduced. This Network is based in the design principles of CORPS. The new proposed structure presents an improvement in design over the traditional beam-forming Network -BFN since, with this kind of feed networks, is feasible to reduce the number of the Phase Shifters of N:1. Two implementations, based on Gysel Power Dividers, are also showed to corroborate the theoretical concepts.Publication Open Access Coherently radiating periodic structures (CORPS): a step towards high resolution imaging systems?(IEEE, 2005) GarcĆa Esparza, RaĆŗl; Betancourt QuiƱones, Diego; IbƔƱez Loinaz, Asier; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaThe coherently radiating periodic structures (CORPS) uses the existing mutual coupling between the elements of an array to spread horizontally and coherently (in-phase) the complex amplitudes of each active element of the array. Despite the elements of the array were not too directive, the corporative behavior of all them, radiating coherently the same information, provides high directive beams arising from each array element, being possible narrow distances between beams. This concept applied to imaging systems, based on periodic disposition of low-profile radiating elements, could offer high resolution images in the range of microwaves and millimeter waves.Publication Open Access Designing antenna systems with CORPS (coherently radiating periodic structures)(2005) Betancourt QuiƱones, Diego; GarcĆa Esparza, RaĆŗl; IbƔƱez Loinaz, Asier; RĆo Bocio, Carlos del; IngenierĆa ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta ElektronikoaIn this paper a new philosophy to design antenna systems is presented. It is based on the recently proposed Coherently Radiating Periodic Structures (CORPS). These structures are essentially a periodic structure which all the elements are radiating elements coupled coherently (in-phase). This principle could allow the designer to simplify the needed feeding network for many array antenna systems since some elements could be coupled from the neighbouring ones, keeping the original excitation profile. It will be also shown in this paper how the three dimensional version of CORPS could be understood as a focusing planar lens, since it is possible to distribute the information of one element to many radiating elements by using the coherent coupling mechanism between all the elements of the whole structure. With this configuration, many directive beams could be really close to each other, increasing the possibilities to handle high resolution in imaging systems.