Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Sofian Hamid"'
Autor:
Sofian Hamid, Dirk Heberling, Manuela Junghähnel, Thomas Preussner, Patrick Gretzki, Ludwig Pongratz, Christian Hördemann, Arnold Gillner
The development of a millimeter-wave transparent antenna integrated inside a headlamp for automotive radar application is presented. The antenna consists of two radiating elements: the primary and secondary ones. The primary antenna is the one that i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a054f9ce330c189e2a20e4dd4342ae3
https://publica.fraunhofer.de/handle/publica/418517
https://publica.fraunhofer.de/handle/publica/418517
Autor:
Patrick Gretzki, Ludwig Pongratz, Sofian Hamid, Arnold Gillner, Thomas Preussner, Dirk Heberling, Manuela Junghähnel, Christian Hördemann
Publikováno v:
2020 14th European Conference on Antennas and Propagation (EuCAP).
A concept for integrating antenna inside a headlamp for automotive radar application is presented. The antenna comprises the primary (feed), which is embedded within the electronic unit, and the secondary one, which is made of transparent materials.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92be356c28e8e207881c1d8cfe07696e
https://doi.org/10.23919/eucap48036.2020.9135927
https://doi.org/10.23919/eucap48036.2020.9135927
Publikováno v:
2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials).
A high gain resonance cavity antenna (RCA), integrated with a frequency selective surface (FSS) radome absorber is presented. The RCA has a U-slot microstrip patch antenna (MPA) as the primary source. The cavity resonance is generated by the large gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d55c772bfe6d65e468e024b0d2795e37
https://doi.org/10.1109/metamaterials.2019.8900919
https://doi.org/10.1109/metamaterials.2019.8900919
Autor:
Sofian Hamid, Dirk Heberling
Publikováno v:
2019 International Symposium on Electromagnetic Compatibility - EMC EUROPE.
Antenna isolation improvement using two different setups is experimentally demonstrated. Three resonant absorbers, which have been initially fabricated and characterized as free space absorbers, are inserted between pairs of horn and monopole antenna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a85dcebd2707ec88a4787f182a894b6
https://doi.org/10.1109/emceurope.2019.8872119
https://doi.org/10.1109/emceurope.2019.8872119
Autor:
Dirk Heberling, Sofian Hamid
Publikováno v:
2018 Asia-Pacific Microwave Conference (APMC).
We present a method to design a broadband microwave absorber composed of lossy dielectric resonator array. The resonators have a cylindrical shape and are arranged in a square array above a metallic plate. The realized prototype consists of 32 × 32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88a2a95feadd56967dce9b89afbcabd6
https://doi.org/10.23919/apmc.2018.8617202
https://doi.org/10.23919/apmc.2018.8617202
Publikováno v:
Loughborough Antennas & Propagation Conference 2018 (LAPC 2018).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5995c500a2822c405970c963727a7cb3
https://doi.org/10.1049/cp.2018.1441
https://doi.org/10.1049/cp.2018.1441
Autor:
Dirk Heberling, Sofian Hamid
Publikováno v:
2017 47th European Microwave Conference (EuMC).
The analysis of absorption mechanism in a planar radome absorber is presented. The absorber is composed of an array of cylindrically shaped absorber, made from materials having both magnetic and electric losses. By analyzing the field distribution an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23175371ec0d66f1419f8e18e4bd3a0d
https://doi.org/10.23919/eumc.2017.8230944
https://doi.org/10.23919/eumc.2017.8230944
Publikováno v:
2017 11th European Conference on Antennas and Propagation (EUCAP).
Design and measurement of a planar radome absorber under oblique incidence are presented. The structure is composed of a bandpass multilayers frequency selective surface (FSS) combined with periodic cylindrical-shaped absorbers. This configuration ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df53a0e8583c88fc60ae56689788ef4e
https://doi.org/10.23919/eucap.2017.7928815
https://doi.org/10.23919/eucap.2017.7928815
Publikováno v:
2015 Loughborough Antennas & Propagation Conference (LAPC).
Design and characterization of a multilayer structure consisting of stacked frequency selective surfaces (FSS) combined with a patterned laminate absorber is presented. The FSS part is a higher order bandpass filter that operates in the C-band, namel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfaf93a9143896cfa823d5dc47917781
https://doi.org/10.1109/lapc.2015.7366107
https://doi.org/10.1109/lapc.2015.7366107
Publikováno v:
2014 Loughborough Antennas and Propagation Conference (LAPC).
Design of frequency selective radome having enhanced transmissive and absorptive characteristics is presented. The planar radome consists of laminate absorber and frequency selective structures (FSS). Lower insertion loss is achieved by patterning th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef69b697dd68f1ecaeed19dc77fca91a
https://doi.org/10.1109/lapc.2014.6996314
https://doi.org/10.1109/lapc.2014.6996314