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10 p, 6.5 MB Metasurfaced Reverberation Chamber / Sun, Hengyi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Li, Zhuo (Nanjing University of Aeronautics and Astronautics. College of Electronic and Information Engineering) ; Gu, Changqing (Nanjing University of Aeronautics and Astronautics. College of Electronic and Information Engineering) ; Xu, Qian (Nanjing University of Aeronautics and Astronautics. College of Electronic and Information Engineering) ; Chen, Xinlei (Nanjing University of Aeronautics and Astronautics. College of Electronic and Information Engineering) ; Sun, Yunhe (Nanjing University of Aeronautics and Astronautics. College of Electronic and Information Engineering) ; Lu, Shengchen (Nanjing University of Aeronautics and Astronautics. College of Electronic and Information Engineering) ; Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
The concept of metasurfaced reverberation chamber (RC) is introduced in this paper. It is shown that by coating the chamber wall with a rotating 1-bit random coding metasurface, it is possible to enlarge the test zone of the RC while maintaining the field uniformity as good as that in a traditional RC with mechanical stirrers. [...]
2018 - 10.1038/s41598-018-20066-0
Scientific reports, Vol. 8 (January 2018) , art. 1577  
Registre complet - Creative Commons
2.
8 p, 10.7 MB Parametric testing of metasurface stirrers for metasurfaced reverberation chambers / Sun, Hengyi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Gu, Changqing (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Li, Zhuo (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Xu, Qian (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Wei, Mengmeng (Northwest A&F University. College of Humanities & Social Development) ; Song, Jiajia (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Xu, Baijie (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Dong, Xiaohang (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Wang, Kuan (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
In this paper, the correlation coefficients and the total scattering cross sections (TSCSs) for different types of metasurfaced stirrers and the traditional metallic stirrer, and the effects on field uniformity when such stirrers are used in reverberation chambers, are analyzed. [...]
2019 - 10.3390/s19040976
Sensors (Basel, Switzerland), Vol. 19, issue 4 (Feb. 2019) , art. 976  
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3.
10 p, 7.4 MB Enhancing the number of modes in metasurfaced reverberation chambers for field uniformity improvement / Sun, Hengyi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Gu, Changqing (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Li, Zhuo (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Xu, Qian (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Song, Jiajia (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Xu, Baijie (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Dong, Xiaohang (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Wang, Kuan (Nanjing University of Aeronautics and Astronàutics. College of Electronic and Information Engineering) ; Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
The use of metasurfaces to increase the number of modes, lower the operating frequency, and improve the field uniformity in reverberation chambers (RCs) is investigated in this paper. The method used to improve the field uniformity and decrease the resonance frequencies is based on increasing the number of modes by using the concept of subwavelength cavities. [...]
2018 - 10.3390/s18103301
Sensors (Basel, Switzerland), Vol. 18, Issue 10 (October 2018) , art. 3301  
Registre complet - Creative Commons

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