Results 101 to 110 of about 2,245,350 (289)
Applied Ocean ResearchThis study uses experimental methods to investigate the damage characteristics of typical underwater structures under synchronous array charge underwater explosions. Small-scale underwater explosion tests are conducted in a water tank to study the damage
Zhifan Zhang +4 more
doaj +1 more source
Massive MIMO performance evaluation based on measured propagation data
, 2015 Massive MIMO, also known as very-large MIMO or large-scale antenna systems, is a new technique that potentially can offer large network capacities in multi-user scenarios.
Edfors, Ove +3 more
core +1 more source
Novel Functional Materials via 3D Printing by Vat Photopolymerization
Advanced Functional Materials, EarlyView.This Perspective systematically analyzes strategies for incorporating functionalities into 3D‐printed materials via Vat Photopolymerization (VP). It explores the spectrum of achievable functionalities in recently reported novel materials—such as conductive, energy‐storing, biodegradable, stimuli‐responsive, self‐healing, shape‐memory, biomaterials, and
Sergey S. Nechausov +3 more
wiley +1 more source
Wideband Circularly Polarized Dielectric Resonator Antenna Array With Polarization Diversity
IEEE Access, 2019 In this paper, a design approach for aperture coupled modified cylindrical dielectric resonator antenna (cDRA) array is discussed. The proposed radiating element is dual cylindrical ceramic blocks placed with a small gap.
Surbhi Gupta +4 more
doaj +1 more source
The design and fabrication of microstrip omnidirectional array antennas for aerospace applications [PDF]
A microstrip antenna design concept was developed that will provide quasi-omnidirectional radiation pattern characteristics about cylindrical and conical aerospace structures. L-band and S-band antenna arrays were designed, fabricated, and, in some cases,
Appleton, M. W. +2 more
core +1 more source
, 2011 A method is presented for solving elastodynamic problems in radially inhomogeneous elastic materials with spherical anisotropy, i.e.\ materials such that $c_{ijkl}= c_{ijkl}(r)$ in a spherical coordinate system ${r,\theta,\phi}$.
Hu H. C. +7 more
core +1 more source
Advanced Functional Materials, EarlyView.MagPiezo enables wireless activation of endogenous Piezo1 channels without genetic modification using 19 nm magnetic nanoparticles and low‐intensity magnetic fields. It generates torque forces at the piconewton scale to trigger mechanotransduction in endothelial cells, standing as a novel platform to interrogate and manipulate Piezo1 activity in vitro.
Susel Del Sol‐Fernández +7 more
wiley +1 more source
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 +4 more
doaj +1 more source
4D‐Printed Magneto‐Plasmonic Microrobots for Programmable Spatiotemporal De‐Icing
Advanced Functional Materials, EarlyView.A 4D‐printing strategy is introduced to achieve programmable de‐icing devices. By aligning gold–magnetite nanofillers within a photosensitive resin, the printed structures exhibit dual magnetic and plasmonic functionalities, enabling precise spatio‐temporal ice removal through thermoplasmonic effects.
Amélie Pérot +7 more
wiley +1 more source
Advanced Intelligent SystemsThis article proposes a flexible surgical robot featuring strong magnetic steering achieved by a hemispherical magnet array actuation, and high‐accuracy ultrasonic position sensing achieved by a beacon total focusing method (b‐TFM).
Feng Ju +6 more
doaj +1 more source