Zobrazeno 1 - 4
of 4
pro vyhledávání: '"João R. Reis"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 8, Pp 843-854 (2021)
Abstract A compact parabolic reflector antenna aiming at radar applications in the K‐band is presented. It is mainly composed of a thermoplastic material and using classical additive techniques (also known as 3D printing), the proposed high‐gain
Externí odkaz:
https://doaj.org/article/87c13f983ceb40c7aee18371ad241fcd
Autor:
Tiago E. S. Oliveira, Mário Vala, Stefânia Faria, João R. Reis, Nuno Leonor, Rafael F. S. Caldeirinha
Publikováno v:
Internet of Things. Technology and Applications ISBN: 9783030964658
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06a6be6239e90fab30882680d64a545f
https://doi.org/10.1007/978-3-030-96466-5_6
https://doi.org/10.1007/978-3-030-96466-5_6
Autor:
João R. Reis Júnior, Renato V. Botelho, Anderson Trevisam, Marcelo M. L. Müller, José A. Bendassolli, ROMBOLA', ADAMO DOMENICO
Green manures have become an important option for recycling nutrients in organic cropping. However, its benefits are often not obtained in the short term. In this context, the study aimed to determine whether the use of cover crops during winter can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4094::c080f7627b0b9a911652b2c75c5acaa8
http://hdl.handle.net/11585/191343
http://hdl.handle.net/11585/191343
Publikováno v:
IEEE Access, Vol 7, Pp 94171-94188 (2019)
This paper presents a thorough review of transmitarray devices particularly aiming antenna beamsteering, gathering some of the most relevant solutions published by the scientific community in the field. First, the background for realizing 1-D and 2-D
Externí odkaz:
https://doaj.org/article/73bb66d8004847af8be74d182e796607