Results 131 to 140 of about 698,432 (308)

Sonar beam steering using grating lobes

, 2017
This paper explores the possibility of using the relationship between the frequency of the transmit waveform and the location of grating lobes to achieve beam steering. The performance of the proposed beam steering technique is compared with conventional
Brown, Keith; id_orcid, Shahzad Bhatti, Bhatti, Shahzad, Keith Brown   +3 more
core   +1 more source

Design of a broadband acousto-optic filter using bulk acoustic wave beam steering with an interdigital transducer

Results in Physics
Acousto-optic tunable filters are photonics devices whose operation is fundamentally based on crystal acoustics. One of the phenomena used to improve performances of bulk acousto-optic devices is acoustic beam steering.
Konstantin B. Yushkov, Natalya F. Naumenko, Vladimir Ya. Molchanov   +2 more
doaj   +1 more source

Beam steering [PDF]

, 1977
H. Brown, J. Glenn
openaire   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

Comparative Study of Adaptive Beam-Steering and Adaptive Modulation-Assisted Dynamic Channel Allocation Algorithms

, 2001
—A range of dynamic channel allocation (DCA) algorithms, namely, distributed control and locally distributed control assisted DCA arrangements, are studied comparatively. The so-called locally optimized least interference algorithm (LOLIA) emerges as one
Blogh, J.S., Cherriman, P.J., Hanzo, L.
core  

Dual Frequency Multi-Functional via-Less Leaky Wave Antenna Featuring Enhanced Frequency Sensitivity and Dual Beam Scanning Capability

IEEE Access
In this paper we present a dual band low cross-polarized periodic microstrip leaky wave antenna (LWA) based on the multi mode resonator concept (MMR).
Basudev Majumder, Sarath Sankar Vinnakota, Madhusudhan Goud Rangula, Krishnamoorthy Kandasamy   +3 more
doaj   +1 more source

Thermally Pre‐Formed Reconfigurable Resistive Random‐Access Memory Crossbar Arrays: A Dual‐Mode Platform for Robust Physically Unclonable Functions and In‐Memory Computing

Advanced Functional Materials, EarlyView.
A reconfigurable RRAM platform utilizing thermally pre‐formed filaments (TPFs) is developed to realize robust hardware security. By exploiting the thermodynamic stochasticity of TPFs, exceptionally reliable physically unclonable functions (PUFs) are achieved.
Seongbin Kwon, Taewon Lee, Dohyeong Kim, Sungmin Hwang, Sungjoon Kim   +4 more
wiley   +1 more source

Development of a Three‐Axis Planar Hall Magnetoresistance Sensor Using a Superparamagnetic Nanoparticle‐Based Flux Guide

Advanced Functional Materials, EarlyView.
A printed superparamagnetic nanoparticle‐based flux guide enables the realization of a hysteresis‐free three‐axis magnetic sensor. This innovative architecture efficiently redirects out‐of‐plane fields to planar sensing elements, facilitating simultaneous vector detection without complex reset protocols.
Changyeop Jeon, Mijin Kim, Keonmok Kim, Byeonghwa Lim, Bibhutibhusan Nayak, Youngdo Jung, Bo‐Yeon Lee, Taehyeong Jeon, Jinwoo Kim, Sunjong Oh, CheolGi Kim   +10 more
wiley   +1 more source

A Survey on Beam Steering Techniques in Printed Antennas

, 2021
Beam steering antennas is essential part of various WCN (Wireless Communication Networks) such as radar and satellite communication. The increasing demand of high data rate, high SNR (Signal to Noise Ratio) and high gain, therefore pattern reconfigurable
Khan, Muhammad Irshad, Khan, Muhammad Kabir, Sultan, Aamir, Anab, Muhammad, Rahman, Saeed Ur   +4 more
core  

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

Advanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk, Lukas Benecke, Chokri Cherif, Johannes Mersch   +3 more
wiley   +1 more source