Results 71 to 80 of about 771,291 (252)

TacScope: A Miniaturized Vision‐Based Tactile Sensor for Surgical Applications

open access: yesAdvanced Robotics Research, EarlyView.
TacScope is a compact, vision‐based tactile sensor designed for robot‐assisted surgery. By leveraging a curved elastomer surface with pressure‐sensitive particle redistribution, it captures high‐resolution 3D tactile feedback. TacScope enables accurate tumor detection and shape classification beneath soft tissue phantoms, offering a scalable, low‐cost ...
Md Rakibul Islam Prince   +3 more
wiley   +1 more source

Small Conformal Cavity-Backed Magnetoelectric Antenna for GNSS Bands

open access: yes, 2022
International audienceIn this paper a linearly polarized cylindrically conformal cavity-backed magnetoelectric (ME) antenna is presented. This antenna has a wideband behavior (S-11 < -10 dB from 1.15 to 1.68 GHz) which covers all the GNSS bands and a ...
Bernard, Loic   +3 more
core   +2 more sources

Size reduction of cavity-backed slot antennas

open access: yes, 2018
A technique for reducing the dimensions of the cavity of a cavity-backed slot antenna (CBSA) is presented, which facilitates proper fabrication and integration of miniaturized slot antennas on multilayer substrates.
Hong, WB, Behdad, N, Sarab, i, K
core   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

open access: yesAdvanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi   +4 more
wiley   +1 more source

Analysis of Electromagnetic Field Radiation from a Rectangular Cavity-Backed Slot Antenna Using ADI-FDTD Method [PDF]

open access: yes, 2012
In this paper, a rectangular Cavity Backed Slot Antenna (CBSA) Model excited by a probe is investigated. The analysis is carried out using the Alternating Direction Implicit - Finite Difference Time Domain (ADI-FDTD) Method which is applied to ...
K’Onditi, Dominic B.O.   +3 more
core   +1 more source

mm-Wave High Gain Cavity-Backed Aperture-Coupled Patch Antenna Array

open access: yesIEEE Access, 2018
A wideband and high gain cavity-backed 4 × 4 patch antenna array is proposed in this paper. Each patch antenna element of the array is enclosed by a rectangular cavity and differentially-fed by the slot underneath.
Jianfeng Zhu   +5 more
doaj   +1 more source

Origami‐Inspired Structural Design for Aquatic‐Terrestrial Amphibious Robots

open access: yesAdvanced Robotics Research, EarlyView.
This work presents a lightweight amphibious origami robot actuated by a single shape memory alloy wire. A rigid foldable origami structure with displacement amplification enables efficient terrestrial crawling and aquatic swimming. The addition of fan‐shaped units allows controllable turning in both environments.
Weiqi Liu   +5 more
wiley   +1 more source

Radiation Enhancement of an Ultrawideband Unidirectional Folded Bowtie Antenna for GPR Applications

open access: yesIEEE Access, 2020
An arc-shaped distributed multilayer capacitive loading structure combined with resistive loading is presented in this paper to enhance the radiation performance of folded bowtie antenna (FBA).
Guangyao Yang   +4 more
doaj   +1 more source

Increasing the bandwidth of cavity-backed SIW antennas by using stacked cavities

open access: yes, 2018
This paper presents a technique to increase the bandwidth in substrate integrated waveguide (SIW) cavity-backed antennas, inspired by the design of cavity filters.
Gharsallah, Ali   +11 more
core   +1 more source

The Effect of Human Tissue on Field Strength Measurements In Vivo Using a Resonant UHF Cavity‐Backed Slot Antenna

open access: yes, 2021
An inward‐looking wearable antenna can be used for radio communications with internal transceivers in vivo. The radio transmissions are recorded using an array of electric field sensors on the skin.
Hugo G. Espinosa   +7 more
core   +1 more source

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