Results 111 to 120 of about 32,202 (316)
Multimode and Multiband Microstrip Antennas [PDF]
, 2007 This thesis describes original work on the broadband and multiband matching of microstrip patch antennas. Microstrip patch antennas suffer from many constraints on their performance. One major restriction is their narrow impedance bandwidth.
Abunjaileh, Alaa Ibrahim
core
Advanced Engineering Materials, EarlyView.This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe +4 more
wiley +1 more source
SiGe process integrated on-chip dipole antenna on finite size ground plane [PDF]
, 2013 This letter investigates the effect of a finite-size ground plane on the radiation pattern and reflection coefficient of a SiGe process integrated on-chip antenna.
Seyyedesfahlan, Mirmehdi +3 more
core +1 more source
A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection
Advanced Engineering Materials, EarlyView.A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan +9 more
wiley +1 more source
Circularly polarized patch antenna with frequency reconfiguration
, 2015 A novel circularly polarized (CP) patch antenna with frequency reconfiguration is presented. The antenna consists of a rectangular patch etched with a rectangular-ring slot. Four pairs of varactor diodes are symmetrically placed along the slot.
Ge, Lei, Gu, Hui, Wang, Jianpeng
core +1 more source
Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones
Advanced Engineering Materials, EarlyView.A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell +3 more
wiley +1 more source
High-Gain Patch Antenna with Stacked Director Patches Using an End-Fire Theory for Microwave Power Transfer Applications [PDF]
Journal of Electromagnetic Engineering and ScienceThis paper proposes a high-gain patch antenna with stacked director patches. The proposed antenna is composed of a driven patch and seven stacked director patches, which enable it to achieve high gain.
Changhyeon Im, Eunjung Kang, Hosung Choo
doaj +1 more source
Wide-band planar inverted-F antenna for cognitive radio
, 2009 A wide-band Planar Inverted-F Antenna (PIFA) is presented. The proposed antenna is simply structured consist of main patch supported by shorting wall and shorting pin, fed by 50 ohm microstrip transmission line. The antenna achieves an enhanced impedance
AbuTarboush, HF +3 more
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Advanced Engineering Materials, EarlyView.A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley +1 more source
Triple band double U-slots patch antenna for WiMAX mobile applications
, 2008 A small triple-band 2.7 GHz, 3.2 GHz and 5.3 GHz compact microstrip patch antenna with two U-shaped slots and a small ground plane is presented. It has been developed to be used in future WiMAX technology.
AbuTarboush, HF +2 more
core