presented. All rights reserved. Mike Maiden. Filippo Costa Buranelli, PhD. communities claim Claim with Google Claim with Twitter Claim with GitHub Claim with LinkedIn LinkedIn is the world’s largest business network, helping professionals like Viktoria Akchurina, PhD discover inside connections to recommended job candidates, industry experts, and business partners. It is shown that a high value of the relative permitt... We have designed an active Artificial Magnetic Conductor able to change its resonance by varying the diode polarization. 141, A Survey on Understanding, Visualizations, and Explanation of Deep In this letter, the bandwidth of high-impedance surfaces (HISs) is discussed by an equivalent circuit approach. The frequency selective surface and the dielectric sample constitute a... A novel structure able to perform multi-band absorption is presented. communities in the world, Get the week's mostpopular data scienceresearch in your inbox -every Saturday, A Bayesian neural network predicts the dissolution of compact planetary The desig... A frequency selective radome is presented, acting as a pass band filter at a given frequency band, while behaving as an absorber out of the operating band. Mike Maiden … Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Filippo … Multi-layer insulation (MLI) blankets are employed to Ve el perfil de Felipe Seidner en LinkedIn, la mayor red profesional del mundo. The equivalent circuit representation, which takes into account also the high-order Floquet modes effects, allows to interpret the absorption properties of the analyzed structure and to derive closed form... Multi-resonant metamaterial absorbers based on High-Impedance Surfaces (HIS) are proposed to be employed as a trasponder for Radio Frequency IDentification (RFID). The effects are studied by means of planar pseudo-elliptical filters in Ka waveguide. Ve el perfil de Filippo Floppy en LinkedIn, la mayor red profesional del mundo. Only verified researchers can join ResearchGate and send messages to other members. The proposed materials would be particularly useful to improve the reading performance of RFID readers in complex environments. 0 possibility to... An efficient strategy for reducing the signature of an antenna is to substitute the conventional solid ground plane with a patterned ground plane thus letting the incoming energy to pass through the structure except over the operating band of the antenna. Filippo a 6 postes sur son profil. during his formative years.. stabilize the temperature on spacecraft unit but they can be responsible of passive intermodulation products and high-mutual coupling between In this letter, an approach for designing a tunable and steerable antenna is presented. The FSS unit cell is formed by several concentric square loop resonators. Consultez le profil complet sur LinkedIn et découvrez les relations de Filippo, ainsi que des emplois dans des entreprises similaires. Visualizza il profilo di Filippo Costa su LinkedIn, la più grande comunità professionale al mondo. Gian Filippo tiene 3 empleos en su perfil. See the complete profile on LinkedIn and discover Sergej’s connections and jobs at similar companies. The innovation consists in the possibility of simultaneously tune the frequency both for impedance matching and gain enhancement. University students and faculty, institute members, and independent researchers, Technology or product developers, R&D specialists, and government or NGO employees in scientific roles, Health care professionals, including clinical researchers, Journalists, citizen scientists, or anyone interested in reading and discovering research. The benefits and drawbacks of employing a wideband absorber in the case of an array of slot antennas both on RCS reduction and radiation properties are investigated. View Filippo Costa, PMP’S profile on LinkedIn, the world's largest professional community. Due to our privacy policy, only current members can send messages to people on ResearchGate. In this paper a subwavelength tunable and steerable Fabry-Perot antennas is analyzed. The subwavelength structure is analyzed both by an efficient transmission line model and by full-wave simulations. The communities, © 2019 Deep AI, Inc. | San Francisco Bay Area | All rights reserved. A design procedure to obtain THz filters with a broad transmission bandwidth is proposed. View filippo costa’s profile on LinkedIn, the world’s largest professional community. Gian Filippo tiene 3 empleos en su perfil. See the complete profile on LinkedIn and discover Sergej’s connections and jobs at similar companies. This antenna consists of a low-profi... High-impedance surfaces (HIS) comprising lossy frequency selective surfaces (FSS) are employed to design thin electromagnetic absorbers. A frequency selective radome is presented, acting as a pass band filter at a given frequency band, while behaving as an absorber above the transmission band. Sergej has 2 jobs listed on their profile. Filippo Costa currently works at the Department of Information Engineering, Università di Pisa. Felipe tiene 5 empleos en su perfil. Makita ang kompletong profile sa LinkedIn at matuklasan Filippo ang mga koneksyon at … Filippo does research on Electromagnetics, Communications Engineering and Electrical Engineering. Ve el perfil de Papi Filippo en LinkedIn, la mayor red profesional del mundo. Filippo indique 1 poste sur son profil. The study will also address the RCS in case of oblique incidence. communities claim Claim with Google Claim with Twitter Claim with GitHub Claim with LinkedIn ∙ Then, the surface impedance value is recovered by recurring to an efficient transmission-line approach. In the simplest form, that is the one-dimensional case, the wires are aligned in parallel with a certain lattice constant. See the complete profile on LinkedIn and discover Filippo’s connections and jobs at similar companies. Ve el perfil completo en LinkedIn y descubre los contactos y … Visualizza il profilo di Filippo Costa su LinkedIn, la più grande comunità professionale al mondo. There are 60+ professionals named "Filippo Costa", who use LinkedIn to exchange information, ideas, and opportunities. Absorber, comprising metallic periodic pattern over a thin low-loss grounded 79, Claim your profile and join one of the world's largest A.I. © 2008-2021 ResearchGate GmbH. The antenna behavior is thoroughly analyzed in the frequency range up to the HIS resonance within the region where the propagation of the TE surface waves is not allowed. Visualizza il profilo di Filippo Costa su LinkedIn, la più grande comunità professionale al mondo. Filippo ha indicato 10 esperienze lavorative sul suo profilo. In more complicated two- and three-... Software Defined Radio (SDR) is a flexible radio architecture programmed through software, which is reconfigured depending on the usage scenario. Filippo Costa Buranelli, PhD Lecturer (Assistant Professor) in International Relations at University of St Andrews - Consultant on Eurasian politics - Chair of the English School section at the International Studies Association. Every absorption peak of the reflection coefficient is associated t... A popular absorbing structure, often referred to as Perfect Metamaterial Effects of absorbing layers on the RCS reduction and radiation performance of an antenna array, Ultra-thin absorbers for ultra-high frequency RFID systems, Surface Impedance Measurement of Resistive Coatings at Microwave Frequencies, A Chipless RFID Based on Multiresonant High-Impedance Surfaces, Modeling of losses in microstrip reflectarrays based on a simple equivalent circuit approach, Perfect metamaterial absorbers in the ultra-high frequency range, Chipless RFID trasponders by using multi-resonant High-Impedance Surfaces, A Circuit-Based Model for the Interpretation of Perfect Metamaterial Absorbers, Electromagnetic Absorbers based on High-Impedance Surfaces: From ultra-narrowband to ultra-wideband absorption, Closed-Form Analysis of Reflection Losses in Microstrip Reflectarray Antennas, Efficient Analysis of Frequency-Selective Surfaces by a Simple Equivalent-Circuit Model, On the design of perfect metamaterial absorbers, A wideband RCS reduction of slot array antennas, A Frequency Selective Radome With Wideband Absorbing Properties, Low-Profile Array With Reduced Radar Cross Section by Using Hybrid Frequency Selective Surfaces, Ultra-broad and sharp-transition bandpass terahertz filters by hybridizing multiple resonances mode in monolithic metamaterials, Low RF reflectivity spacecraft thermal blanket by using high-impedance surface absorbers, A Novel Chipless RFID based on Multi-Resonant High-Impedance Surfaces, High-Impedance Surface Absorbers: Theory and Applications, A Frequency Selective Absorbing Ground Plane for Low-RCS Microstrip Antenna Arrays, TE Surface Wave Resonances on High-Impedance Surface Based Antennas: Analysis and Modeling, Optimization of wide-bandpass filter within the Terahertz frequency regime, Waveguide Dielectric Permittivity Measurement Technique Based on Resonant FSS Filters, Tunable High-Impedance Surface With a Reduced Number of Varactors, Optimal Design of Dipole Antennas Backed by a Finite High-Impedance Screen, Accuracy of homogenization models for finite high-impedance surfaces located in the proximity of a horizontal dipole, Dipole Antennas Backed by a High-Impedance Screen: Misconceptions and Design Criteria, Design of subwavelength tunable and steerable Fabry-Perot/leaky wave antennas, Effect of the Metal Sheet Thickness on the Frequency Blueshift in Single Layer Composite Materials at Ka Microwave Frequency, Dielectric permittivity measurement technique based on waveguide FSS filters, Design of subwavelength tunable and steer-able Fabry-Perot/leaky wave antennas, Multiband electromagnetic wave absorber based on reactive impedance ground planes, Experimental validation of the suppression of spatial dispersion in artificial plasma, Low-profile tunable and steerable Fabry-Perot antenna for Software Defined Radio applications, Analysis and Design of Ultra Thin Electromagnetic Absorbers Comprising Resistively Loaded High Impedance Surfaces, Experimental Verification of the Suppression of Spatial Dispersion in Artificial Plasma, Analysis and Modeling of High-Impedance Surfaces for the Design of Electromagnetic Absorbers and Antennas, Use of Frequency Selective Surfaces For Reduction of Radar Cross Section of Antennas and Scattering Objects, Miniaturized high impedance surfaces with angular stability by using zirconium tin titanate substrates and convoluted FSS elements, An equivalent-circuit modeling of high impedance surfaces employing arbitrarily shaped FSS, On the bandwidth of printed frequency selective surfaces for designing high impedance surfaces, An equivalent circuit model of Frequency Selective Surfaces embedded within dielectric layers, Zirconium tin titanate (ZST) for miniaturized high impedance surfaces: Microwave dielectric properties and applications, Increasing the absorption band of thin electromagnetic absorbers by using plasma resonance of wire medium, On the Bandwidth of High-Impedance Frequency Selective Surfaces, An Active High Impedance Surface for Low Profile Tunable and Steerable Antennas, Plasmonic resonance in artificial impedance surfaces, Design of Subwavelength Tunable and Steerable Fabry-Perot Antennas, A Thin Electromagnetic Absorber for Wide Incidence Angles and Both Polarizations, An active AMC ground plane for tunable low-profile antennas, Multi-frequency highly directive Fabry-Perot based antenna, Ultra-thin absorbers by using high impedance surfaces with resistive frequency selective surfaces, Enhancing Bandwidth of Ultra-Thin Absorbers by Using Resistive High-Impedance Surfaces, Analysis and design of coupled frequency selective surfaces as a novel kind of waveguide filter. Learning, 01/13/2021 ∙ by Paul Garnier ∙ As is well known, the most famous and simplest radar absorbing material is the Salisbury screen. View the profiles of professionals named "Filippo Costa" on LinkedIn. Guarda il profilo completo su LinkedIn e scopri i collegamenti di Filippo e le offerte di lavoro presso aziende simili. Filippo has 1 job listed on their profile. FSS periodicity can be changed b... A new approach for obtaining metasurfaces realized by employing Frequency Selective Surfaces (FSSs) with small periodicity printed on a new class of high dielectric constant materials is presented. The behavior of the hybrid ground plane illuminated by a plane wave is analy... We present three monolithic metamaterial-based THz bandpass filters, the skewed circular slot rings, meandered slots and Jerusalem cross slots, to fit in the THz gap. In particular, the real part of the input impeda... An array of radiating slots with a low Radar cross section over a two octave bandwidth is obtained by employing a wideband absorber. 269, 01/29/2021 ∙ by G. Jogesh Babu ∙ We apply the powerful and versatile Periodic Method of Moment (PMM) to evaluate the response of the metamaterial. Filippo Costa Buranelli, PhD Lecturer (Assistant Professor) in International Relations at University of St Andrews - Consultant on Eurasian politics - Chair of the English School section at the International Studies Association Todhills. View Francisco Costa’s profile on LinkedIn, the world’s largest professional community. Filippo Costa currently works at the Department of Information Engineering, Università di Pisa. The antenna model is based on a wideband bow-tie radiating element mounted above an active Artificial Magnetic Conductor (AMC). Claim your profile and join one of the world's largest A.I. La información académica de Filippo está en su perfil. Filippo indique 1 poste sur son profil. See the complete profile on LinkedIn and discover Filippo’s connections and jobs at similar companies. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. 10/16/2017 ∙ by Pascal Boeschoten, et al. Ve el perfil completo en LinkedIn y descubre los contactos y … Filippo does research on Electromagnetics, Communications Engineering and Electrical Engineering. Wire medium is an artificial plasma that is constructed by aligning conducive wires in one-, two-, or three dimensions (see e.g. In 2003, he moved to Italy's A.C. Reggiana 1919, but failed to appear in any games in the season's Serie C1/A.. Greece. Filippo Costa Buranelli, PhD Lecturer (Assistant Professor) in International Relations at University of St Andrews - Consultant on Eurasian politics - Chair of the English School section at the International Studies Association Todhills. CERN, ALICE (A Large Ion Collider Experiment) is the heavy-ion detector design... Hey Filippo Costa! Sorry, you need to be a researcher to join ResearchGate. Filippo has 4 jobs listed on their profile. Improved solutions, aimed at a thickness reduction, have been presented in the literature, conceptually based on metamaterials and employing properly designed high-impedance surfaces... An isotropic plasma is composed of free charge carriers. Filippo has 4 jobs listed on their profile. share, Are you a researcher?Expose your workto one of the largestA.I. followers 83, Machine learning accelerated computational fluid dynamics, 01/28/2021 ∙ by Dmitrii Kochkov ∙ Filippo ha indicato 1 esperienza lavorativa sul suo profilo. View Sergej Capenkov’s profile on LinkedIn, the world’s largest professional community. View Filippo Costa’s profile on LinkedIn, the world’s largest professional community. Guarda il profilo completo su LinkedIn e scopri i collegamenti di Filippo e le offerte di lavoro presso aziende simili. Tingnan ang profile ni Filippo Bertuzzi sa LinkedIn, ang pinakamalaking komunidad ng propesyunal sa buong mundo. Consultez le profil complet sur LinkedIn et découvrez les relations de Filippo, ainsi que des emplois dans des entreprises similaires. We make use of the image principle and assume effectively local material parameters of the artificial plasma, in which the spatial dispersion has been suppressed, and measure the reflection from an impenetrable grou... A new approach for obtaining metasurfaces realized by using frequency selective surfaces with reduced periodicity printed on a new class of high dielectric constant materials is presented. In January 2005, Costa joined Superleague Greece club Ionikos FC. This type of surface has been employed as backing plane for a bow-tie radiating element in order to synthesize a tunable and steerable antenna. [1]). The emphasis of this paper is on the additional resonances of the radiating structure caused by surface waves propagating on the high-impedance surface. In this paper a simple approach for defining the FSS printed element shape with wider band performance is presented. Découvrez le profil de Filippo Costa sur LinkedIn, la plus grande communauté professionnelle au monde. antennas since they are realized with metallic materials. The structure is also investigated in terms of the overall antenna performance in the presence of the absorber. Such a method exploits the use of a low-cost frequency selective structure (FSS), transversally placed in a waveguide in the proximity of the sample under test. View Sergej Capenkov’s profile on LinkedIn, the world’s largest professional community. View Filippo Costa Buranelli, PhD’S profile on LinkedIn, the world's largest professional community. View Filippo Costa Buranelli, PhD’S profile on LinkedIn, the world's largest professional community. ∙ View Filippo Scollo’s profile on LinkedIn, the world’s largest professional community. Filippo ha indicato 4 esperienze lavorative sul suo profilo. Consultez le profil complet sur LinkedIn et découvrez les relations de Filippo, ainsi que des emplois dans des entreprises similaires. The closed-form expressions of surface impedance (real and imaginary part) are derived through well justified approximations. Ve el perfil de Papi Filippo en LinkedIn, la mayor red profesional del mundo. Low-profile antennas comprising a horizontal dipole above a high-impedance surface are analyzed. Neural Networks, 02/02/2021 ∙ by Atefeh Shahroudnejad ∙ Découvrez le profil de Filippo Costa sur LinkedIn, la plus grande communauté professionnelle au monde. The HIS comprises a Frequency Selective Surface (FSS) whose unit cell is formed by several concentric loop resonators. Even if these surfaces have been employed for almost 10 years, it is sometimes unclear how to choose the shape of the frequency selective surface (FSS) on the top of the grounded slab in order to achieve the largest possible bandwidth. substrate is studied by resorting to an efficient transmission line model. View filippo costa’s profile on LinkedIn, the world’s largest professional community. Filippo ha indicato 3 esperienze lavorative sul suo profilo. Filippo Costa Buranelli, PhD Lecturer (Assistant Professor) in International Relations at University of St Andrews - Consultant on Eurasian politics - Chair of the English School section at the International Studies Association Todhills. and training in neural networks, 01/31/2021 ∙ by Torsten Hoefler ∙ Zoe Phillips Williams. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Gian Filippo en empresas similares. Ve el perfil completo en LinkedIn y descubre los contactos y … The structure, despite its typical resonant behavior, is able to perform a very wideband absorption in a reduced thickness. Voir le profil de Filippo Mauri sur LinkedIn, le plus grand réseau professionnel mondial. The presence of the additional dielectric placed close to the FSS leads to a shift of bandpass and bandstop reso... An efficient approach for obtaining an active high- impedance surface (HIS) is presented. The goal is accomplished by replacing the solid ground plane of the device with a hybrid structure comprising a suitable FSS. By means of circuit theory, it is demonstrated that the patch FSS with a small gap between the conductive squares is the best choice in designing a wideband AMC. Ve el perfil de Filippo Ferlini en LinkedIn, la mayor red profesional del mundo. This paper presents a novel procedure for the synthesis of thin radar absorbers composed by a lossy Frequency Selective Surface (FSS) in the viinity of a PEC plane. Football career Early career. Closed-form relation... A novel chipless RF identification based on a multiresonant high-impedance surface is proposed. The new-style RAM relies... High impedance surfaces and thin layers Enhancing bandwidth of ultra-thin absorbers by using resistive high-impedance surfaces (invited) A. Monorchio, F. Costa, G. Manara Characterisation and measurements of a multilayer high-impedance surface at W-band D. Chicherin, S. Dudorov, D. Lioubtchenko, V. Ovchinnikov, A.V. In this paper, we verify experimentally the recently proposed theory on suppression of the spatial dispersion in an artificial plasma. Francisco has 5 jobs listed on their profile. Todhills. Papi tiene 1 empleo en su perfil. Hey Filippo Costa! Reflection losses of microstrip reflectarray antennas are analytically addressed by approximating the printed structure through a simple equivalent transmission line model. An efficient transmission line approach is employed to derive simple formulas which describe in detail the absorption mechanism of the subwavelength structure. Filippo Costa Buranelli, PhD. Different electrically-thin absorbing designs based on High-Impedance Surfaces (HIS) are presented and classified on the basis of the nature of loss. The ALICE O2 common driver for the C-RORC and CRU read-out cards. The lumped parameters representing the periodic surface are explained and commented. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Gian Filippo en empresas similares. Se hele profilen på LinkedIn, og få indblik i Filippos netværk og job hos tilsvarende virksomheder. Raisanen Study of the influence... Join ResearchGate to find the people and research you need to help your work. The filters, consisting of a frequency selective surface placed perpendicularly to the waveguide axis, have been realized by a high resolution photolitho... A hybrid resonant/transmission reflection method to determine the dielectric permittivity of materials is presented. Perfect absorbing metamaterials comprising a metallic frequency selective surface printed on a thin low loss grounded substrate are analyzed. Se Filippo Torellis profil på LinkedIn – verdens største faglige netværk. View Ivica Petrikova’s profile on LinkedIn, the world’s largest professional community. Filippo has 1 job listed on their profile. The metallic FSS is used as... A solution for reducing the radar cross section (RCS) of a microstrip antenna based on the use of frequency selective surfaces (FSSs) is described. Os Belenenses and Amora F.C. HIS structures allow achieving absorption by exploiting either dielectric or ohmic (resistive) losses. Ve el perfil de Filippo Floppy en LinkedIn, la mayor red profesional del mundo. Filippo Costa Buranelli, PhD Lecturer (Assistant Professor) in International Relations at University of St Andrews - Consultant on Eurasian politics - Chair of the English School section at the International Studies Association Todhills. The frequency shift of the transfer function of single layer composite materials has been analyzed and tested. Benfica, also being loaned to C.F. These THz bandpass filters are comprised of a metal-dielectric-metal (MDM) structure that supports multiple resonances of electric dipole, magnetic dipole, and standing-wave-like mode... A technique for designing a low-RF reflectivity thermal blanket is View Filippo Ortolani’s profile on LinkedIn, the world’s largest professional community. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Filippo en empresas similares. The absorber comprises an array of patches over a grounded dielectric slab, with clear advantage in terms of manufacturability. A simple approach to estimate the surface impedance of a thin ink deposition on dielectric substrates is described. The synergic use of ad-hoc engineered materials and innovative electromagnetic design provides an improvement of the overall device in terms of size red... A novel technique to enlarge the absorption band of a high-impedance surface absorber has been proposed. LinkedIn is the world’s largest business network, helping professionals like Viktoria Akchurina, PhD discover inside connections to recommended job candidates, industry experts, and business partners. SDR consists of a programmable hardware base that is controlled through software. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Filippo en empresas similares. communities, Join one of the world's largest A.I. Visualizza il profilo di Filippo Costa su LinkedIn, la più grande comunità professionale al mondo. Filippo ay mayroong 12 mga trabaho na nakalista sa kanilang profile. filippo has 1 job listed on their profile. Instead, for designing an extreme homogeneous HIS structure conserving... A general equivalent circuit model for the analysis of frequency selective surfaces has been presented. 83, Bottleneck Transformers for Visual Recognition, 01/27/2021 ∙ by Aravind Srinivas ∙ Filippo has 5 jobs listed on their profile. There are 50+ professionals named "Filippo Costa", who use LinkedIn to exchange information, ideas, and opportunities. Claim your profile and join one of the world's largest A.I. The reflection band of the FSS filter is used as the ground plane of a outer wideband absorber based on resistive high-impedance surfaces. Ivica has 5 jobs listed on their profile. Filippo tiene 12 empleos en su perfil. filippo has 1 job listed on their profile. 173, Evaluating Soccer Player: from Live Camera to Deep Reinforcement The former ultra-narrowband absorption phenomenon can be obtained by employing dielectric losses... Microstrip reflectarray antennas consist of a grounded quasi-periodic array of printed elements able to compensate the phase displacement of a non-coherent electromagnetic excitation generated by a feeder. The measured sample is transversally accommodated in a waveguide, and the scattering parameters are measured. See the complete profile on LinkedIn and discover filippo’s connections and jobs at similar companies. The pass band behavior is obtained by a metallic FSS realized through a compact interdigitated Jerusalem cross element characterized by a very large rejection band. Ve el perfil de Gian Filippo Costa en LinkedIn, la mayor red profesional del mundo. The novel design allows us to synthesize a tunable HIS by drastically reducing the number of the active elements employed. The compact formulas containing all the degree of f... Metamaterial absorbers synthesized by extremely-thin High-Impedance Surfaces (HIS) are analyzed by resorting to a simple transmission line model. Filippo has 9 jobs listed on their profile. The absorber, which reduces the signature of the antenn... A method to determine the dielectric permittivity of materials is presented. Filippo Costa Buranelli, PhD. Sehen Sie sich die Profile von Fach- und Führungskräften namens „Filippo Costa“ auf LinkedIn an. In this paper a planar electromagnetic absorber is introduced whose performance is maintained over a wide change of the incidence angle for both TE and TM polarization. Sergej has 2 jobs listed on their profile. The performance of a short dipole antenna closely located above a finite High-Impedance Surface (HIS) is addressed. Guarda il profilo completo su LinkedIn e scopri i collegamenti di Filippo e le offerte di lavoro presso aziende simili. Filippo Costa Buranelli, PhD. See the complete profile on LinkedIn and discover Filippo’s connections and jobs at similar companies. The design of a thin tunable and steerable Fabry-Perot antenna is presented. The structure is based on a finite metallic frequency-selective surface (FSS) comprising 2 × 2 (30 mm × 30 mm) or 3 × 3 (45 mm × 45 mm) unit cells. Born in Lisbon, Costa began his career at S.L. Filippo har 4 job på sin profil. In this paper deals, an equivalent circuit model of high impedance surfaces (HIS) employing arbitrarily shaped frequency selective surfaces (FSS) is presented.