Dipòsit Digital de Documents de la UAB 4 registres trobats  La cerca s'ha fet en 0.00 segons. 
1.
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, Vol. 19, issue 4 (Feb. 2019) , art. 976  
2.
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, Vol. 18, issue 10 (Oct. 2018) , art. 3301  
3.
26 p, 8.0 MB Características espaciales y cambios recientes en las aldeas periurbanas de "La tribu de las hormigas" en Beijing : los casos de estudio de Tangjialing y Shigezhuang / Gu, Chaolin (Universidad de Tsinghua. Escuela de Arquitectura) ; Sheng, Mingjie (Universidad de Tsinghua. Escuela de Arquitectura) ; Hu, Lingqian (University of Wisconsin-Milwaukee. School of Architecture & Urban Planning)
En relación con el proceso de urbanización de China, desde el año 2000, se ha prestado atención principalmente a dos grupos sociales. Uno está constituido por la segunda generación de trabajadores agrícolas migrantes y otro, por los graduados universitarios de bajos ingresos, conocido como «La tribu de las hormigas» («The ant tribe»). [...]
Pel que fa al procés d'urbanització de la Xina, des de l'any 2000, hom ha parat esment principalment a dos grups socials. L'un és constituït per la segona generació de treballadors agrícoles migrants i l'altre, pels graduats universitaris d'ingressos baixos, conegut com «La tribu de les formigues» («The ant tribe»). [...]
Depuis le processus d'urbanisation de la Chine, à partir de l'année 2000 l'attention a principalement porté sur deux groupes sociaux. L'un est constitué par la deuxième génération de travailleurs agricoles migrants, et l'autre par les diplômés universitaires de bas revenus, connus comme la tribu de fourmis (Ant Tribe). [...]
Since the year 2000, and in relation with China's urbanization process, many politicians and scholars have paid attention to two social groups: the second generation of migrant farm workers and low-income college graduates known as the "ant tribe". [...]

2017 - 10.5565/rev/dag.400
Documents d'anàlisi geogràfica, Vol. 63 Núm. 2 (maig-agost 2017) , p. 299-324 (Articles)  
4.
4 p, 257.1 KB Alternating current loss in a cylinder with power-law current-voltage characteristic / Chen, D. -X. (Institució Catalana de Recerca i Estudis Avançats) ; Gu, C. (Tsinghua University. Applied Superconductivity Research Center) ; American Physical Society
The transportac loss Q in a superconducting cylinder of radius a with a power-law current-voltage characteristicE=Ec∣J/Jc∣n as a function of current amplitude Im is numerically calculated for a set of given values of a,Jc, and frequency f at n=5, 10, 20, and 30. [...]
2005 - 10.1063/1.1947912
Applied physics letters, Vol. 86, Issue 25 (Juny 2005) , p. 252504  

Vegeu també: autors amb noms similars
2 Gu, Changqing
1 Gu, Chaolin
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