Results 21 to 30 of about 85,808 (303)
Dual-band beam steering THz antenna using active frequency selective surface based on graphene
EPJ Applied Metamaterials, 2021 A dual-band independently beam steering THz antenna is presented, which is composed of a broadband omnidirectional monopole source antenna surrounded by six hexagonal active frequency selective surface (AFSS) screens with switchable filtering response in
Yang Yao-Jia +3 more
doaj +1 more source
Monitoring thermal ablation via microwave tomography. An ex vivo experimental assessment [PDF]
, 2018 Thermal ablation treatments are gaining a lot of attention in the clinics thanks to their reduced invasiveness and their capability of treating non-surgical patients.
Cavagnaro, M. +4 more
core +1 more source
IEEE Open Journal of Antennas and Propagation, 2023 In this paper, a systematic decoupling strategy of two partial reflective decoupling layers (PRDLs) and dummy decoupling probes (DDPs) is utilized to suppress the complicated couplings in a ±45° dual-polarized, compact antenna array ...
Ting Liu +7 more
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On the theory of cavities with point-like perturbations. Part I: General theory [PDF]
, 2008 The theoretical interpretation of measurements of "wavefunctions" and spectra in electromagnetic cavities excited by antennas is considered. Assuming that the characteristic wavelength of the field inside the cavity is much larger than the radius of the ...
Albeverio S +17 more
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Decoupling of Two Strongly Coupled Dual-Band Antennas With Reactively Loaded Dummy Element Array
IEEE Access, 2019 An efficient antenna mutual coupling reduction (decoupling) technique using reactively loaded dummy element array for two dual-band closely coupled MIMO antennas is proposed in this paper.
Xiumei Shen +6 more
doaj +1 more source
Microwave imaging techniques for biomedical applications [PDF]
, 1999 Microwaves have been considered for medical applications involving the detection of organ movements and changes in tissue water content. More particularly cardiopulmonary interrogation via microwaves has resulted in various sensors monitoring ventricular
Bolomey, Jean Charles +8 more
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Microwave Surveillance based on Ghost Imaging and Distributed Antennas
, 2015 In this letter, we proposed a ghost imaging (GI) and distributed antennas based microwave surveillance scheme. By analyzing its imaging resolution and sampling requirement, the potential of employing microwave GI to achieve high-quality surveillance ...
Lin, Zihuai, Wang, Xiaopeng
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A Compact Dual-Band Circularly Polarized Antenna with Wide HPBWs for CNSS Applications
International Journal of Antennas and Propagation, 2018 A compact dual-band circularly polarized antenna with wide half-power beamwidths (HPBWs) for compass navigation satellite system applications is proposed in this paper. The CP radiation is realized by arranging four compact dual-band inverted-F monopoles
Chao Li +3 more
doaj +1 more source
IEEE Access, 2018 In this paper, an antenna interference cancellation chip (AICC) with a high-pass response is proposed to mitigate the mutual coupling of two antennas resonating in contiguous frequency bands.
Luyu Zhao +5 more
doaj +1 more source
IET Microwaves, Antennas & Propagation, 2021 A wideband and continuous beam steering variable inclination continuous transverse stub antenna array is presented in the communication. The proposed antenna consists of a continuous transverse stub (CTS) array and a line source generator (LSG).
Ankang Wang +5 more
doaj +1 more source