Results 71 to 80 of about 11,483 (315)
Antenna design of temperature measurement system based on SAW temperature sensor
Dianzi Jishu Yingyong, 2018 In order to measure the junction temperature of power equipment, a novel strategy of temperature measurement based on surface acoustic wave passive wireless temperature sensor is designed. The antennas and the matching methods of antennas and sensors are
Qi Bensheng +3 more
doaj +1 more source
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
Wideband blade monopole antenna with sleeved coaxial feed [PDF]
, 2009 A wideband planar monopole antenna requiring a small ground plane is described. Numerical and measured results confirms the antenna has good radiation efficiency and stable omni-directional radiation patterns over an impedance bandwidth of 4.1:1 covering
Morrow, Ivor L. +7 more
core +1 more source
Miniaturization of palanar antennas based on metamaterials for 5G and WIMAX communications applications [PDF]
Journal of Electrical and Electronics Engineering, 2021 The objective of this work is the design and simulation of an antenna based on metamaterials in order to miniaturize the initial dimensions of the planar antennas. Metamaterials are on the rise in recent years.
BOUSALAH Fayza +2 more
doaj
Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition
Advanced Engineering Materials, EarlyView.A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
wiley +1 more source
Design of Multiband Balanced Folded Dipole Antenna Based on a Dual-Arm Structure for Mobile Handsets
, 2008 YesIn this paper, a balanced antenna for mobile handset applications with enhanced bandwidth performance, that covers four bands (GSM1800, GSM1900, UMTS and 2.4-GHz WLAN), is investigated.
Abd-Alhameed, R.A. +7 more
core +1 more source
Wideband patch antenna through introducing co‐plane terminal
IET Microwaves, Antennas & PropagationWideband operation is a crucial topic in patch structure research. Various wideband methods have been developed for patch antennas. However, some of the key benefits of patch antennas, such as semi‐space radiation and easy fabrication, are degraded.
Boyu Sima +7 more
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Experimental study of spiral antennas with various additional deceleration options
Физика волновых процессов и радиотехнические системыBackground. The work is aimed at the development and research of flat spiral antennas with additional slowdown. The use of slowdown structures allows to change the operating frequency range of antennas and the electrodynamic characteristics of antennas ...
Dmitrij P. Tabakov, Mikhail A. Malakhov
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Antenna design for a massive multiple input environmental sensor network
Digital Communications and Networks, 2016 This article describes the design and simulation of a pair of antennas on a small PCB with minimal coupling for a massive multiple input sensor network. The two antennas are planar inverted-F antennas (PIFA) that are fed with microstrip feed lines.
J. Craig Prather +4 more
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