Browsing Engineering, College of by Author "Uslenghi, Piergiorgio L.E."
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Achieving Spectrum Efficiency with Reconfigurable Antenna, Microwave Circuits and Backscattering Systems
Farzami, Farhad (20181212)The fastgrowing demand for highspeed wireless communication in the modern wireless systems will increasingly require more efficient strategies for use of the available frequency spectrum, which is scarce and very costly. ... 
Currents on Conducting Surfaces of a SemiellipticalChannelBacked Slotted Screen in an Isorefractive Environment
Erricolo, Danilo; Lockard, Michael D.; Butler, Chalmers M.; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200507)Electromagnetic penetration through an aperture into a cavity is considered. The structure of interest is a semielliptical channel flush mounted under a metal plane and slotted along the interfocal distance of its ... 
Electromagnetic Scattering by a Sphere Intersected by Metal Planes
Singh, Sahitya (20180817)The scattering of a plane wave of arbitrary polarization that is obliquely incident on a hemisphere lying on the top of a metallic plane, a quarter sphere whose center is located on the intersection of two faces of a ... 
Electromagnetic Scattering by Various Cylindrical Posts Located Inside a ParallelPlate Waveguide
Arora, Akshaj (20180817)In this thesis, electromagnetic scattering of a mode propagating inside a parallel plate waveguide by posts of different cylindrical crosssections is considered, in the phasor domain. The analysis is conducted for both ... 
Exact Dipole Radiation for an Oblate Spheroidal Cavity Filled With Isorefractive Material and ApertureCoupled to a Half Space
Berardi, Cristian; Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200409)An oblate semispheroidal cavity flushmounted under a metal plane and coupled to the halfspace above it via its circular interfocal aperture is considered. The cavity is filled with a material isorefractive to the medium ... 
Exact Imaging by an Elliptic Lens
Akgol, Oguzhan; Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 20110613)The radiation from an isotropic line source located at one of the focal lines of an elliptic cylindrical lens filled with a homogeneous and lossless DNG metamaterial is determined exactly in the frequency domain. This exact ... 
Exact Radiation and Scattering for an Elliptic Metal Cylinder at the Interface Between Isorefractive HalfSpaces
Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200409)An elliptic metal cylinder located at the interface between two isorefractive halfspaces, with its crosssectional major axis either parallel or perpendicular to the interface is considered. The problems of scattering ... 
Exact Radiation for Dipoles on Metallic Spheroids at the Interface Between Isorefractive HalfSpaces
Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200512)Oblate and prolate metallic spheroids located at the interface between isorefractive halfspaces are considered. The electromagnetic fields produced by electric and magnetic dipoles located on the symmetry axis of the ... 
Fresnel–Kirchhoff Integral for 2D and 3D Path Loss in Outdoor Urban Environments
Ying, Xu; Tan, Qiwu; Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200511)A deterministic model for propagation in outdoor urban environments based on the Fresnel–Kirchhoff integral is presented. Both twodimensional (2D) and threedimensional (3D) formulations considering reflection and ... 
Greedy Algorithm for BlackBox Parameterized Modeling of Electromagnetic Structures
Fevola, Elisa (20180712)The use of parameterized macromodels has become more and more popular in a wide range of applications, from Electromagnetic Compatibility to microwave engineering, where they can be employed for the analysis, design and ... 
Measurements on scaled models of urban environments and comparisons with raytracing propagation simulation
Erricolo, Danilo; D'Elia, Giuseppe; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200205)Scaled models of simple twodimensional (2D) urban environments are considered in order to investigate propagation along a vertical plane. Specifically, path loss measurements are taken for different positions of the ... 
New method to obtain small parameter power series expansions of Mathieu radial and angular functions
Larsen, Todd M.; Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (American Mathematical Society, 200901)Small parameter power series expansions for both radial and angular Mathieu functions are derived. The expansions are valid for all integer orders and apply the StrattonMorseChu normalization. Three new contributions are ... 
Numerical analysis of penetration, radiation, and scattering for a 2D slotted semielliptical channel filled with isorefractive material
Erricolo, Danilo; Lockard, Michael D.; Butler, Chalmers M.; Uslenghi, Piergiorgio L.E. (Progress in Electromagnetic Research, 2005)Electromagnetic penetration through an aperture into a cavity is considered. The structure of interest comprises a slotted infinite conducting plane backed by a semielliptical channel. Three independent integral equations ... 
Penetration, Radiation, and Scattering for a CavityBacked Gap in a Corner
Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200508)A partially covered cavity, or trench, located along the edge of two intersecting metallic walls perpendicular to each other is considered. The crosssection of the cavity is a quarter ellipse and is slotted along the ... 
Propagation Path Loss—A Comparison Between RayTracing Approach and Empirical Models
Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200205)The results obtained with a twodimensional (2–D) propagation model for wireless communications in an urban environment are compared against the results of other propagation models, such as COST231 WalfischIkegami, ... 
Radiation From a Line Source Shielded by a Confocal Elliptic Layer of DNG Metamaterial
Akgol, Oguzhan; Daniele, Vito G.; Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 201109)The twodimensional problem of electromagnetic radiation from a line source located inside an ellipticcylinder confocal sheath of doublenegative metamaterial is solved exactly by separation of variables. Numerical ... 
Scattering by a blade on a metallic plane
Erricolo, Danilo; Uslenghi, Piergiorgio L.E.; Elnour, Badria M.; Mioc, Francesca (Taylor & Francis, 200601)The scattering from a metal plane with a ridge is considered for the cases of plane wave and line source illumination and both polarizations. Exact analytical results are expressed using series that contain products of ... 
TimeDomain Analysis of Measurements on Scaled Urban Models With Comparisons to RayTracing Propagation Simulation
Erricolo, Danilo; Crovella, Umberto G.; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200205)This work deals with propagation prediction for wireless communications in urban environments. Its purpose is to clearly distinguish the different field contributions collected by the receiving antenna through a series of ... 
Two Dimensional Simulator for Propagation in Urban Environments
Erricolo, Danilo; Uslenghi, Piergiorgio L.E. (Institute of Electrical and Electronics Engineers, 200107)A new twodimensional (2D) raytracing simulator for electromagnetic (EM) propagation prediction in an urban environment is described. The new features are that no practical restrictions are imposed on the profile of the ...