Zobrazeno 1 - 10
of 267
pro vyhledávání: '"Kai-da Xu"'
Publikováno v:
Materials & Design, Vol 247, Iss , Pp 113419- (2024)
Owing to their disadvantages of broadband discontinuity, infinite value, or incapability of distinguishing cross-polarization conversions from co-polarization conversions, the traditional linear polarization discrimination methods relating to the pha
Externí odkaz:
https://doaj.org/article/6af9bc9ebfef43cd9a62b14dbadbcb25
Publikováno v:
Materials & Design, Vol 246, Iss , Pp 113309- (2024)
In this paper, a new design method of E-plane waveguide bandpass filter (BPF) using high-order modes of spoof surface plasmon polaritons (SSPPs) is proposed. The high-order modes of the double-layer SSPP (DL-SSPP) unit cell can be effectively manipul
Externí odkaz:
https://doaj.org/article/392ec7089dbd4179a0be3a4fd570b3a3
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 4, Pp 231-238 (2024)
Abstract A low‐cost W‐band leaky‐wave antenna with two‐dimensional scanning capability is presented. By using the low‐loss transversal long‐slot array structure with a single‐layer parabolic reflector, the antenna realizes a passband fr
Externí odkaz:
https://doaj.org/article/2a9d666b0b0241269cf3d9996dee1fa3
Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113217- (2024)
Metamaterials, an artificial electromagnetic (EM) material, have exhibited unique characteristics, enabling innovations in terahertz (THz) wavefront shaping, polarization modulation, surface wave manipulation, and spectrum modulation. In this review,
Externí odkaz:
https://doaj.org/article/474c5eeff6384964a215c222fbb4a8d3
Publikováno v:
Materials & Design, Vol 242, Iss , Pp 113004- (2024)
Due to their inherent defects, circular polarization discrimination methods involving amplitude-phase or axial ratio are obstacles of the computer software-based optimal design of broadband linear-to-circular (LTC) polarization conversion metasurface
Externí odkaz:
https://doaj.org/article/2f45610e396241579da3625e23782f41
Publikováno v:
Materials & Design, Vol 242, Iss , Pp 112983- (2024)
A high-gain circularly polarized (CP) magnetoelectric (ME) dipole antenna with metallic radiating structure is presented. The proposed CP antenna element consists of two pairs of metallic posts with a supporting metallic plate, a metallic air-filled
Externí odkaz:
https://doaj.org/article/69e8c65e0fb34063be798a8dc311c969
Publikováno v:
Electronics Letters, Vol 60, Iss 7, Pp n/a-n/a (2024)
Abstract A compact 60‐GHz on‐chip bandpass filter (BPF) is presented using gallium arsenide (GaAs) technology. To demonstrate the working mechanism of the proposed BPF, an inductor‐capacitor (LC) equivalent circuit model is conceived and analys
Externí odkaz:
https://doaj.org/article/fa99ff19788649aaa2a54b16a32a468e
Autor:
Mohammad Alibakhshikenari, Bal Virdee, Dion Mariyanayagam, Ignacio Garcia Zuazola, Haralambos Harry Benetatos, Ayman A. Althuwayb, Bader Alali, Kai-Da Xu, Francisco Falcone
Publikováno v:
Alexandria Engineering Journal, Vol 71, Iss , Pp 439-450 (2023)
This paper presents an innovative technique to synthesize a virtual antenna array (VAA) that consumes less energy than conventional antenna arrays that are used in mobile communications systems. We have shown that for a specific spectral efficiency a
Externí odkaz:
https://doaj.org/article/d6de6a97c3dd42339915e88a14eb95af
Autor:
Zhen Liao, Chenhao Huang, Leilei Liu, Kai-Da Xu, Siyuan Luo, Baicao Pan, Jiusheng Li, Guo Qing Luo
Publikováno v:
APL Photonics, Vol 8, Iss 9, Pp 096103-096103-8 (2023)
Plasmonic skyrmions are a subject of significant interest due to their potential applications in optics, photonics, and electromagnetic wave technology. These skyrmions are created by the interference of surface plasmon polaritons or spoof localized
Externí odkaz:
https://doaj.org/article/109a70c2d181477f8fd8c7ad260b688c
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 722-731 (2022)
The pattern reconfigurable antenna provides a new implementation scheme for expanding application in modern wireless communications. In this paper, a pattern-reversal wideband microstrip antenna is proposed. This antenna is composed of a radiation pa
Externí odkaz:
https://doaj.org/article/159128d5c2a145659e3c5e60c9b8ef24