Zobrazeno 1 - 10
of 11 544
pro vyhledávání: '"array antenna"'
Autor:
Yevhen Yashchyshyn, Peter Tokarsky
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract This study investigates the possibility of increasing the radiation efficiency of printed antennas and arrays by suppressing their inherent surface waves using a metasurface made of quad-split rings (QSR). A symmetrical resonant microstrip d
Externí odkaz:
https://doaj.org/article/dddf569f6b2a43fca99cd39fc80d6258
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 3, Pp 294-304 (2024)
This article presents a compact, planar, and circularly polarized array antenna operating in the W-band (84.5–110 GHz), with all its prototypes fabricated using a low-cost, traditional, microwave printed circuit board composed of Rogers RT/duroid 5
Externí odkaz:
https://doaj.org/article/62eb824b5d4e4f36b0cde6a59b6fc2a9
Autor:
Ye-Bon Kim, Han Lim Lee
Publikováno v:
Alexandria Engineering Journal, Vol 94, Iss , Pp 226-234 (2024)
In this article, a new compact planar phased array antenna is proposed for blind spot reduction in V2X communications. The proposed antenna can be easily integrated on the front-panel or rear-view side by providing 2-dimensional wide communication co
Externí odkaz:
https://doaj.org/article/a780ea8e9fd74e5fb257379786e7a518
Autor:
Abdelaaziz El Ansari, Sudipta Das, Tanvir Islam, Varakumari Samudrala, Naglaa F. Soliman, Abeer D. Algarni, Najiba El Amrani El Idrissi
Publikováno v:
Heliyon, Vol 10, Iss 18, Pp e37575- (2024)
A graphene-based 1 × 2 array antenna with circular polarization for terahertz applications is prescribed in this article. Initially, a novel concept of a folded quarter wave impedance transformer is utilized in the design process of a single element
Externí odkaz:
https://doaj.org/article/c8a0bedbd7404b2fb69a4c7b3df4689b
Autor:
Adnan Basir Patwary, Ifana Mahbub
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 2, Pp 354-367 (2024)
Wireless power transfer (WPT) using far-field microwave radiation beam can be used to power unmanned aerial vehicles (UAVs) thus eliminating the need to land on the ground to charge. In a distributed WPT system, impulse radio ultrawideband (IR-UWB) s
Externí odkaz:
https://doaj.org/article/c309e5508c214eedbbf2362c13c4067c
Publikováno v:
ETRI Journal, Vol 46, Iss 2, Pp 323-332 (2024)
Receiver and transmitter monolithic microwave integrated circuit (MMIC) multifunction chips (MFCs) for active phased-array antennas for Ka-band satellite communication (SATCOM) terminals have been designed and fabricated using a 0.15-μm GaAs pseudom
Externí odkaz:
https://doaj.org/article/ceeb8f4019e04b408ca6f88fc483f0b9
Publikováno v:
فصلنامه علوم و فناوری فضایی, Vol 17, Iss 1, Pp 71-77 (2024)
High-gain antennas are crucial for ensuring stable communication in imaging and remote sensing satellites due to their ability to support high data transmission rates while compensating for the limitations associated with increasing transmitter power
Externí odkaz:
https://doaj.org/article/7e0a5ee028a6453abff5c46115b07925
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 8032 (2024)
In the context of 5G networks, this paper investigates microstrip array antennas and mobile terminal MIMO array antennas. It introduces two innovative designs and, based on these, develops and fabricates a mobile terminal antenna. The first of these
Externí odkaz:
https://doaj.org/article/e48406cd80bd48c0b454f2e0408b338a
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103136- (2024)
This study introduces a new technique for achieving dual-band functionality in a printed dipole antenna with integrated balun feeding without additional elements. By employing an optimization algorithm, the fundamental parameters of the antenna are e
Externí odkaz:
https://doaj.org/article/e18d9b9d4d6943048a8b7081f83eb371
Autor:
Twahir Kazema, Bonny Mgawe
Publikováno v:
Cogent Engineering, Vol 11, Iss 1 (2024)
In wireless communication systems, the design and optimization of antenna arrays play a crucial role in achieving desired performance metrics. Many constraints on optimizing antenna arrays to achieve minimum SLL, high Gain, and good impedance matchin
Externí odkaz:
https://doaj.org/article/fcb3d176c3dc4bc5a7fb0d19c2446fa0