Results 71 to 80 of about 85,808 (303)
A High-Q Miniaturized Suspended Stripline Resonator for Pseudoelliptic Filter Design
IEEE Access, 2018 A miniaturized suspended stripline (SSL) resonator with high unloaded quality factor is proposed in this paper. The novel resonator consists of a thin substrate with double-layer strips on both sides connected by a metallic via hole, which is suspended ...
Lei Xia +4 more
doaj +1 more source
Advanced Functional Materials, EarlyView.High‐entropy perovskite nanofibers serve as robust and active bifunctional air electrodes in reversible protonic ceramic electrochemical cells. Their compositional complexity stabilizes the lattice, enriches oxygen vacancies, and accelerates surface exchange.
Hyeonggeun Kim +4 more
wiley +1 more source
Balanced Quad-Band Bandpass Filter With Controllable Frequencies and Bandwidths
IEEE Access, 2019 A balanced microstrip quad-band bandpass filter (BPF) employing balanced microstrip/slotline (MS) transition structures and two pairs of folded asymmetric short stub-loaded resonators (ASSLRs) is presented in this paper.
Feng Wei +3 more
doaj +1 more source
Wearable flexible lightweight modular RFID tag with integrated energy harvester [PDF]
, 2016 A novel wearable radio frequency identification (RFID) tag with sensing, processing, and decision-taking capability is presented for operation in the 2.45-GHz RFID superhigh frequency (SHF) band.
Agneessens, Sam +5 more
core +2 more sources
Advanced Functional Materials, EarlyView.The study proposes a 1‐bit programmable metasurface based on flip‐disc display, named flip‐disc metasurface (FD‐MTS). This new design enables ultralow energy consumption while maintaining coding patterns. It also exhibits high scalability and multifunctional flexibility.
Jiang Han Bao +8 more
wiley +1 more source
IEEE Access, 2019 In this paper, meta-surface superstrates are used to decouple two linear polarized antennas coupled in H-plane and E-plane, respectively. By properly designing the geometry of the double layer short wires as the unit cell of the meta-surface, as well as ...
Jiayin Guo +5 more
doaj +1 more source
On the theory of cavities with point-like perturbations. Part II: Rectangular cavities
, 2010 We consider an application of a general theory for cavities with point-like perturbations for a rectangular shape. Hereby we concentrate on experimental wave patterns obtained for nearly degenerate states. The nodal lines in these patterns may be broken,
Albeverio S +8 more
core +2 more sources
mm-Wave Silicon ICs: Challenges and Opportunities [PDF]
, 2007 Millimeter-waves offer promising opportunities and interesting challenges to silicon integrated circuit and system designers. These challenges go beyond standard circuit design questions and span a broader range of topics including wave propagation ...
Hajimiri, Ali
core +1 more source
Joint Control of Radiated and Surface Waves via Space‐Time Coding Metasurfaces
Advanced Functional Materials, EarlyView.A unified space‐time coding metasurface platform enables simultaneous control of radiated and surface‐confined waves across multiple harmonics. Demonstrated functionalities include multi‐frequency beam shaping; surface‐wave excitation, and hybrid multiplexing.
Zihao Dai +6 more
wiley +1 more source
A Design of a Small-Aperture Low-Profile Omnidirectional Conformal Antenna
MicromachinesIn this article, a small-aperture, low-profile, and omnidirectional conformal antenna is proposed which can be utilized on space-limited equipment platforms such as airplanes, ships, and vehicles.
Jieying Bai +4 more
doaj +1 more source