Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Giovanni Andrea Casula"'
Publikováno v:
IEEE Access, Vol 12, Pp 103380-103387 (2024)
We present a circularly polarized single-feed stacked patch antenna with wide axial ratio bandwidth, suitable for both coaxial probe feeding and coplanar microstrip feeding. The antenna is composed of two patches with truncated corners connected toge
Externí odkaz:
https://doaj.org/article/e333980197054bcb884cdc20cef19a83
Autor:
Mario Lucido, Giovanni Andrea Casula, Gaetano Chirico, Marco Donald Migliore, Daniele Pinchera, Fulvio Schettino
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5544 (2024)
Non-invasive concealed object detection, identification, and discrimination have been of interest to the research community for decades due to the needs to preserve infrastructures and artifacts, guarantee safe conditions for the detection and locati
Externí odkaz:
https://doaj.org/article/bb6f87fbf8e746a29fea1d36fb5ab659
Publikováno v:
IEEE Access, Vol 11, Pp 11555-11569 (2023)
A novel wearable textile dual-band antenna configuration based on a substrate integrated waveguide (SIW) cavity is presented. The miniaturization of the antenna is achieved by exploiting the magnetic field symmetry of a square SIW cavity, reducing it
Externí odkaz:
https://doaj.org/article/8c4d0aa27d8e4f63b4418c313a534a6e
Autor:
Giorgio Montisci, Giovanna Mura, Giacomo Muntoni, Giovanni Andrea Casula, Francesco Paolo Chietera, Mahmoud Aburish-Hmidat
Publikováno v:
IEEE Access, Vol 11, Pp 839-848 (2023)
Transparent microstrip patch antennas suffer from low radiation efficiency and gain when manufactured using transparent conductive films (TCFs), mainly at low frequency (starting from the microwave S band). To address this problem, we propose a curve
Externí odkaz:
https://doaj.org/article/fad1c47eba6940cfaab03e22aa3eca19
Publikováno v:
Sensors, Vol 24, Iss 5, p 1468 (2024)
A platform-tolerant RFID (Radio-Frequency Identification) tag is presented, designed to operate across the entire RFID band. This tag utilizes a small Artificial Magnetic Conductor (AMC) structure as a shielding element for an ungrounded RFID tag ant
Externí odkaz:
https://doaj.org/article/a2a63d7063f0491a9b5faa4e094461c5
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 451 (2024)
A printed log-periodic dipole array (LPDA) for DVB-T2 Digital TV applications, covering the whole DVB-T2 UHF band from Channel 21 to Channel 69 (470 MHz–860 MHz), is presented. The presented antenna offers a compact size and a lower cost compared t
Externí odkaz:
https://doaj.org/article/6eee6befb5cd4b99a0b38ecf7722af09
Autor:
Giovanni Andrea Casula, Paolo Maxia, Giorgio Montisci, Giuseppe Valente, Giuseppe Mazzarella, Tonino Pisanu
Publikováno v:
International Journal of Antennas and Propagation, Vol 2016 (2016)
A multiband printed microstrip antenna for wireless communications is presented. The antenna is fed by a proximity-coupled microstrip line, and it is printed on a flexible substrate. The antenna has been designed using a general-purpose 3D computer-a
Externí odkaz:
https://doaj.org/article/5670bc04ce1248aabe3f47c680b7db3c
Autor:
Giovanni Andrea Casula, Paolo Maxia
Publikováno v:
International Journal of Antennas and Propagation, Vol 2014 (2014)
A multiband printed Log-periodic dipole array (LPDA) antenna for wireless communications is presented. The antenna has been designed starting from Carrel’s theory, optimized using CST Microwave Studio 2012, and then realized. The comparison between
Externí odkaz:
https://doaj.org/article/66592ffd15f3429bbac50cbd092d931f
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
A design technique for wire antennas, based on the Structure-Based Evolutionary Programming, is used to design a broadband antenna with an end-fire radiation pattern and a very simple geometry, operating in the 3–16 GHz frequency band, namely, from
Externí odkaz:
https://doaj.org/article/e79d78998f7b40fb8da6ee1e928d7053
Autor:
Giorgio Montisci, Zusheng Jin, Mingchao Li, Hu Yang, Giovanni Andrea Casula, Giuseppe Mazzarella, Alessandro Fanti
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
An effective design procedure, based on the Elliot synthesis method, is proposed to investigate the properties of waveguide slot arrays with multilayer dielectric cover. Then, the features of the designed arrays are analyzed by means of a FEM commerc
Externí odkaz:
https://doaj.org/article/f8e64256fe204a67bea79cbdd3b79b15