La información académica de Filippo está en su perfil. Ivica has 5 jobs listed on their profile. Se Filippo Torellis profil på LinkedIn – verdens største faglige netværk. Filippo indique 1 poste sur son profil. 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 novel design allows us to synthesize a tunable HIS by drastically reducing the number of the active elements employed. View Filippo Costa’s profile on LinkedIn, the world’s largest professional community. The frequency selective surface and the dielectric sample constitute a... A novel structure able to perform multi-band absorption is presented. 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. Claim your profile and join one of the world's largest A.I. Papi tiene 1 empleo en su perfil. Raisanen Study of the influence... Join ResearchGate to find the people and research you need to help your work. In this paper, we verify experimentally the recently proposed theory on suppression of the spatial dispersion in an artificial plasma. The design of a thin tunable and steerable Fabry-Perot antenna is presented. Felipe tiene 5 empleos en su perfil. The study will also address the RCS in case of oblique incidence. As is well known, the most famous and simplest radar absorbing material is the Salisbury screen. The structure, despite its typical resonant behavior, is able to perform a very wideband absorption in a reduced thickness. 0 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. 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 Découvrez le profil de Filippo Costa sur LinkedIn, la plus grande communauté professionnelle au monde. Consultez le profil complet sur LinkedIn et découvrez les relations de Filippo, ainsi que des emplois dans des entreprises similaires. 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. Guarda il profilo completo su LinkedIn e scopri i collegamenti di Filippo e le offerte di lavoro presso aziende simili. The structure is also investigated in terms of the overall antenna performance in the presence of the absorber. Visualizza il profilo di Filippo Costa su LinkedIn, la più grande comunità professionale al mondo. In this letter, an approach for designing a tunable and steerable antenna is presented. 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. In this letter, the bandwidth of high-impedance surfaces (HISs) is discussed by an equivalent circuit approach. The performance of a short dipole antenna closely located above a finite High-Impedance Surface (HIS) is addressed. 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. Guarda il profilo completo su LinkedIn e scopri i collegamenti di Filippo e le offerte di lavoro presso aziende simili. ∙ of passive intermodulation products and high-mutual coupling between The absorber, which reduces the signature of the antenn... A method to determine the dielectric permittivity of materials is presented. Consultez le profil complet sur LinkedIn et découvrez les relations de Filippo, ainsi que des emplois dans des entreprises similaires. The effects are studied by means of planar pseudo-elliptical filters in Ka waveguide. Every absorption peak of the reflection coefficient is associated t... A popular absorbing structure, often referred to as Perfect Metamaterial 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. Visualizza il profilo di Filippo Costa su LinkedIn, la più grande comunità professionale al mondo. Filippo has 5 jobs listed on their profile. Ve el perfil de Filippo Floppy en LinkedIn, la mayor red profesional del mundo. 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. Filippo Costa Buranelli, PhD. Hey Filippo Costa! A design procedure to obtain THz filters with a broad transmission bandwidth is proposed. In this paper a simple approach for defining the FSS printed element shape with wider band performance is presented. communities claim Claim with Google Claim with Twitter Claim with GitHub Claim with LinkedIn 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. The aim of this work is to obtain the same properties of the Salisbury and Jaumann screen for both TE and TM incidence polarizations, using a thinner structure. substrate is studied by resorting to an efficient transmission line model. View Filippo Ortolani’s profile on LinkedIn, the world’s largest professional community. Filippo Costa Buranelli, PhD. The transmission and reflection properties of frequency-selective surfaces (FSSs) are evaluated through a simple and accurate first-order circuit approach. The measured sample is transversally accommodated in a waveguide, and the scattering parameters are measured. Hey Filippo Costa! systems, 01/11/2021 ∙ by Miles Cranmer ∙ View the profiles of professionals named "Filippo Costa" on LinkedIn. 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. 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. Sergej has 2 jobs listed on their profile. Low-profile antennas comprising a horizontal dipole above a high-impedance surface are analyzed. View Filippo De Rosa’s profile on LinkedIn, the world’s largest professional community. Ve el perfil de Felipe Seidner en LinkedIn, la mayor red profesional del mundo. 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. The lumped parameters representing the periodic surface are explained and commented. Ve el perfil de Gian Filippo Costa en LinkedIn, la mayor red profesional del mundo. 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. View filippo costa’s profile on LinkedIn, the world’s largest professional community. The proposed materials would be particularly useful to improve the reading performance of RFID readers in complex environments. The emphasis of this paper is on the additional resonances of the radiating structure caused by surface waves propagating on the high-impedance surface. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Filippo en empresas similares. The goal is accomplished by replacing the solid ground plane of the device with a hybrid structure comprising a suitable FSS. share, Are you a researcher?Expose your workto one of the largestA.I. Filippo ha indicato 1 esperienza lavorativa sul suo profilo. View Filippo Costa, PMP’S profile on LinkedIn, the world's largest professional community. View Ivica Petrikova’s profile on LinkedIn, the world’s largest professional community. communities, Join one of the world's largest A.I. Influence of thin dielectric substrates on FSS behavior is analyzed determining a simple model to correct the lumped parameters. The frequency shift of the transfer function of single layer composite materials has been analyzed and tested. filippo has 1 job listed on their profile. antennas since they are realized with metallic materials. 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. Guarda il profilo completo su LinkedIn e scopri i collegamenti di Filippo e le offerte di lavoro presso aziende simili. Francisco has 5 jobs listed on their profile. In January 2005, Costa joined Superleague Greece club Ionikos FC. The absorber comprises an array of patches over a grounded dielectric slab, with clear advantage in terms of manufacturability. View filippo costa’s profile on LinkedIn, the world’s largest professional community. Découvrez le profil de Filippo Costa sur LinkedIn, la plus grande communauté professionnelle au monde. 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. Reflection losses of microstrip reflectarray antennas are analytically addressed by approximating the printed structure through a simple equivalent transmission line model. The antenna model is based on a wideband bow-tie radiating element mounted above an active Artificial Magnetic Conductor (AMC). Sehen Sie sich die Profile von Fach- und Führungskräften namens „Filippo Costa“ auf LinkedIn an. The closed-form expressions of surface impedance (real and imaginary part) are derived through well justified approximations. 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.
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