{"id":18,"date":"2013-07-24T16:32:44","date_gmt":"2013-07-24T15:32:44","guid":{"rendered":"http:\/\/pierofraternali.wordpress.com\/?page_id=18"},"modified":"2015-06-23T13:29:58","modified_gmt":"2015-06-23T12:29:58","slug":"research","status":"publish","type":"page","link":"https:\/\/gentili.faculty.polimi.it\/?page_id=18","title":{"rendered":"Research"},"content":{"rendered":"<p><\/p>\n<p><strong>Research Topics<\/strong><\/p>\n<p><em>Numerical electromagnetics<\/em><\/p>\n<ul>\n<li><strong>MoM and Boundary Integral Method<\/strong>: formulations, planar circuits (reciprocal and non-reciprocal), eigenmode analysis, 3D MoM for free space and multilayered media.\u00a0<\/li>\n<li><strong>Finite-Element Method<\/strong>: eigenmode analysis, 2.5FEM in rectangular and cylindrical coordinates, 3D FEM.<\/li>\n<li><strong>Mode-Matching<\/strong>: general theory (properties and mode selection criterion), rectangular, circular and coaxial waveguide discontinuities, rectangular waveguide to cylindrical cavity transition, curved waveguides.<\/li>\n<li><strong>GAM<\/strong>: Generalized admittance matrix analysis of waveguide components.<\/li>\n<li><strong>Spectral Methods<\/strong>: shielded transmission lines in multilayered dielectric, radiation by sources in multilayered dielectric in shielded and open structures (Sommerfeld formulation).<\/li>\n<\/ul>\n<p><em>Devices and applications<\/em><\/p>\n<ul>\n<li><strong>Coupled lines<\/strong>: general theory of N coupled quasi-TEM lines.<\/li>\n<li><strong>De-embedding<\/strong>: automatic error correction in the measurements of S-parameters for two-ports circuits and four-ports circuits.<\/li>\n<li><strong>Waveguide filters<\/strong>: overmoded cavity filters, direct-coupled filters, dielectric resonators filters, combline filters.<\/li>\n<li><strong>Microstrip\/Suspended stripline devices<\/strong>: interdigital filters, Lange couplers.<\/li>\n<li><strong>OMT<\/strong>: analysis and design of ortho-mode transducers. Software for the efficient analysis and design of Boifot-junction OMT based on 2.5D FEM.<\/li>\n<li><strong>Waveguide bends<\/strong>: analysis and design of arbitrary bends in standard and overmoded rectangular and circular waveguide.<\/li>\n<li><strong>Patch antennas<\/strong>: antennas residing in a cavity in single and stacked configuration and arbitrary shape. Arrays.<\/li>\n<li><strong>Horns<\/strong>\u00a0and horns clusters, coupling with reflector.<\/li>\n<li><strong>Overmoded waveguide transmission<\/strong>: low-loss transmission for source-antenna links in overmoded waveguide.<\/li>\n<li><strong>GPR<\/strong>: ground penetrating radar. Analysis and description of interactions. Forward modeling and inversion.<\/li>\n<li><strong>CSEM<\/strong>: low frequency electromagnetics for reservoir detection. Development of 2.5D FEM and 3D FEM code for forward modeling.<\/li>\n<li>Electromagnetic characterization of complex media. Waveguide calibration and measurements.\u00a0<\/li>\n<li><strong>Horn antennas<\/strong>: circular and coaxial corrugated horns. Dielectric horns. Software package for rotationally symmetric horn with arbitrary media. Analysis of coupling between horns in a horn cluster. Analysis of coupling of horns with reflector.<\/li>\n<li><strong>Antenna arrays\u00a0<\/strong>for mobile communications.<\/li>\n<li><strong>Reconfigurable antennas<\/strong>\u00a0for WiFi and sensing.<\/li>\n<li><strong>THz radiation<\/strong>\u00a0and nanoantennas for sensing and imaging.\u00a0<\/li>\n<\/ul>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Research Topics Numerical electromagnetics MoM and Boundary Integral Method: formulations, planar circuits (reciprocal and non-reciprocal), eigenmode analysis, 3D MoM for free space and multilayered media.\u00a0 Finite-Element Method: eigenmode analysis, 2.5FEM in rectangular and cylindrical coordinates, 3D FEM. Mode-Matching: general theory &hellip; <a href=\"https:\/\/gentili.faculty.polimi.it\/?page_id=18\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-18","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=\/wp\/v2\/pages\/18","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18"}],"version-history":[{"count":16,"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=\/wp\/v2\/pages\/18\/revisions"}],"predecessor-version":[{"id":280,"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=\/wp\/v2\/pages\/18\/revisions\/280"}],"wp:attachment":[{"href":"https:\/\/gentili.faculty.polimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}