Results 101 to 110 of about 946,560 (297)

A Ku-Band Compact Offset Cylindrical Reflector Antenna with High Gain for Low-Earth Orbit Sensing Applications

Sensors
The rise of CubeSats has unlocked opportunities for cutting-edge space missions with reduced costs and accelerated development timelines. CubeSats necessitate a high-gain antenna that can fit within a tightly confined space.
Bashar A. F. Esmail, Dustin Isleifson, Lotfollah Shafai   +2 more
doaj   +1 more source

Omnidirectional Solid Angle Beam-Switching Flexible Array Antenna in Millimeter Wave for 5G Micro Base Station Applications

IEEE Access, 2019
This study proposes a cylindrical conformal array antenna (CCAA) for fifth-generation (5G) micro base station applications. The CCAA is composed of five Chebyshev flexible linear array antennas (LAAs) with a circumferentially uniform arrangement on the ...
Qinyin Jia, Hongcheng Xu, M. F. Xiong, Binzhen Zhang, Junping Duan   +4 more
doaj   +1 more source

Bamboo-Slip-Inspired Conformal Reconfigurable Metasurfaces. [PDF]

Adv Sci (Weinh)
Bamboo‐slip‐inspired conformal reconfigurable metasurface system. The structure is mainly composed of three parts, which are conformal metasurface, pattern reconfigurable antenna, and control components (such as Field Programmable Gate Array (FPGA)). Conformal metasurfaces draw inspiration from the design of ancient Chinese bamboo slips.
Li Q, Zhang S, Feng Q, Xia D, Mu Y, Ma X, Han J, Liu H, Liu G, Li L.   +9 more
europepmc   +2 more sources

Poly(Alkoxythiophene) Rod‐Coil Block Copolymers for Organic Electrochemical Transistors

Advanced Materials, EarlyView.
We present the first synthesis of poly(3‐alkoxythiophene) rod‐coil block copolymers as a new architecture for OMIECs. Incorporating PEG and PLLA coils can enhance device performance beyond the homopolymer. The figure‐of‐merit depends uniquely on coil length.
Junfu Tian, Wentao Shan, Rachael Found, Paola Mantegazza, Francesco Leoni, Andreas W. Erhardt, Yuyun Yao, Matus Stredansky, Arianna Magni, Adam Marks, Elena Chulanova, Zeinab Hamid, Yueying Huang, Wanpeng Lu, Xian'e Li, Baopu Zhang, Qingpei Wan, Christina Kousseff, Matilde Concilio, Ruth Theresia Arwani, Caroline A. Ross, Sahika Inal, Giovanni Costantini, Iain McCulloch   +23 more
wiley   +1 more source

Design of a Novel High Frequency Ultrasound Annular Array [PDF]

, 2009
The design of a novel 50MHz 7-elment annular array is described. Equal-width electrodes are deposited on the rear face of piezoelectric layer to form a kerfless array, instead of mechanical cutting.
Harris, NR, Beeby, SP, Harris, N.R., Beeby, S.P., Qian, Y., Qian, Y   +5 more
core   +1 more source

Enhancement of Shock Wave From Underwater Electrical Wire-Array Explosion at a Fixed Energy by Changing Wire Connection

IEEE Access
An energy-efficient method is developed to generate shock wave from underwater electrical wire-array explosion. By changing wire connection of cylindrical wire-array, parallel is found usually not the suitable connection of wire-array to generate shock ...
Dun Qian, Yuzhe Feng
doaj   +1 more source

Fiber‐Format Flexible Linear Electrostatic Motors

Advanced Materials, EarlyView.
A flexible coaxial fibre‐format electrostatic motor enables backdrivable and reversible linear actuation with high force density and functionality under bending, offering a scalable actuation platform for soft and wearable robotics. ABSTRACT Linear motion is fundamental to robotics, yet existing solutions are either rigid electromagnetic motors or ...
Sylvain Schaller, Herbert Shea
wiley   +1 more source

Backward Surface Wave Propagation and Radiation along a One-Dimensional Folded Cylindrical Helix Array

International Journal of Antennas and Propagation, 2015
Wave propagation along a closely spaced folded cylindrical helix (FCH) array is investigated for the purpose of designing compact array for energy transport and antenna radiation.
Bin Xu, Yang Li
doaj   +1 more source

On‐Skin Wireless Vibratory Interfaces by Stretchable Multilayer Circuits

Advanced Materials Interfaces, EarlyView.
A battery‐free, stretchable wireless vibratory interface is developed through printable liquid‐metal‐based multilayer circuits. The soft device integrates wireless power reception, signal modulation, and vibrotactile actuation within a compliant platform.
Jiawei Liu, Yanfeng Hou, Shengkang Fu, Maoxin Yang, Hongbiao Sun, Yi Huang, ZhiBo Wang, Xiqiang Luo, Chengliang Tao, Qing Tang, Jiangxin Wang   +10 more
wiley   +1 more source

Nanoporous Silica Embedded in Nanoporous Platinum: A Versatile Composite Coating for Implant‐Associated Drug Delivery From Neuronal Electrodes

Advanced Materials Technologies, EarlyView.
Nanoporous silica nanoparticles incorporated in nanoporous platinum offer the possibility for implant‐associated drug delivery from neuronal electrodes. ABSTRACT Sensorineural hearing loss, resulting from damage to the hair cells of the inner ear, profoundly impairs quality of life.
Mosaieb Habib, Tim‐Joshua Strauß, Jennifer Harre, Madeleine Goblet, Florian Klodwig‐Kirstein, Jana Schwieger, Michaela Kreienmeyer, Verena Scheper, Athanasia Warnecke, Nina Ehlert, Peter Behrens   +10 more
wiley   +1 more source