Zobrazeno 1 - 10
of 6 171
pro vyhledávání: '"Axial ratio"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract This article presents a flexible four-element antenna for X-band applications. The proposed antenna covers the spectrum ranging from 10.6 to 11.9 GHz, including a significant portion of the X-band. The single antenna element comprises a modi
Externí odkaz:
https://doaj.org/article/f2dcdf4080934728817aef5b9bcc51d2
Publikováno v:
Radioengineering, Vol 33, Iss 3, Pp 358-367 (2024)
A microstrip circularly polarized (CP) leaky-wave antenna (LWA) operating in the X-band, and having the characteristics of a broad axis-ratio bandwidth is proposed. The proposed LWA is made up of 13 unit cells in series through microstrip feeding lin
Externí odkaz:
https://doaj.org/article/821d887d231a45a3854b228f5279d234
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 2, Pp 145-150 (2024)
The demand for wideband circularly polarized (CP) antennas in wireless communication applications has been increasing, given that it offers reliable signals with reduced interference. In particular, planar monopole antennas are a popular choice for u
Externí odkaz:
https://doaj.org/article/f36c90ae9eee4d2b8f08a804412c8cab
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 19, Iss 2, Pp 245-251 (2024)
ObjectivesIn order to effectively broaden the beam width of the 3 dB axis ratio of a Beidou antenna, this paper proposes a slotted laminated microstrip patch antenna loaded with parasitic elements. MethodsThe Beidou dual frequency band feature is rea
Externí odkaz:
https://doaj.org/article/1bf1010eddbb4dce94b4e7d0d364a604
Autor:
Khaled A. Alblaihed, Abdoalbaset Abohmra, Masood Ur Rehman, Qammer H. Abbasi, Muhammad A. Imran, Lina Mohjazi
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1580-1591 (2024)
This paper presents a single-element linearly polarized (LP) patch antenna characterized by a wide impedance bandwidth and low profile, optimized for 5G V2X applications. By inserting air gaps into the LP patch antenna structure, a circularly polariz
Externí odkaz:
https://doaj.org/article/f6f976732a844596a9f6799878344a57
Autor:
Madhusmita Moharana, Biswajit Dwivedy
Publikováno v:
IEEE Access, Vol 12, Pp 134594-134613 (2024)
This article presents a comprehensive discussion of different types of circularly polarized (CP) planar antennas used for various contemporary wireless applications including biomedical, RFID, 5G, IoT, etc. The analysis gives a distinct idea related
Externí odkaz:
https://doaj.org/article/c72dc681be814f1db12025cd9965c996
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 5, Pp 1320-1327 (2024)
This paper introduces a novel technique for inducing circular polarization in a single radiator through the implementation of a sequentially rotated feeding network. Analogous to the operational principles of sequentially rotated antennas employing m
Externí odkaz:
https://doaj.org/article/85b376db960d4fb2a53906bd26a79efc
Autor:
Vinit Singh Yadav, Amalendu Patnaik
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 5, Pp 1-8 (2024)
A graphene–based multifunctional polarization converter for the mid–THz band is proposed in this work and its electromagnetic behavior is explained with the help of the physics behind it and the circuital theory. The novelty of the proposed refle
Externí odkaz:
https://doaj.org/article/126bab89696544b4944c66f3e3abe767
Publikováno v:
IEEE Access, Vol 12, Pp 106313-106320 (2024)
This article introduces an ultrawideband antenna with stable phase center and circular polarization. The proposed antenna is a low-profile cavity-backed spiral antenna measuring $58\times 58\times 50$ mm3, where the cavity is partially filled with an
Externí odkaz:
https://doaj.org/article/c6e1e4cf4108409a8316ff495c105494
Autor:
Soumik Dey, Sukomal Dey
Publikováno v:
IEEE Access, Vol 12, Pp 65981-65996 (2024)
This paper presents a new dual-band transmissive type linear to circular polarizer (LTCP) on a single-layer ultra-thin dielectric substrate. The unit cell of the converter consists of dual circular split rings and a connected cross-grid dipole at the
Externí odkaz:
https://doaj.org/article/8d0c5ea45d094f299923c27c1a78378c