Results 21 to 30 of about 1,856 (246)

Circularly Polarized Split Ring Resonator Loaded Slot Antenna

Advanced Electromagnetics, 2018
A compact circularly polarized printed slot antenna operating at 2.45 GHz is reported. The antenna consists of a pair of rotated square split ring resonators (SRR) inside a rectangular slot etched on the ground plane of an FR-4 dielectric substrate.
A. R. Parvathy, V. G. Ajay, M. Thomaskutty   +2 more
doaj   +1 more source

A Double-Ended Tuning Fork Based Resonant Pressure Micro-Sensor Relying on Electrostatic Excitation and Piezoresistive Detection

Proceedings, 2018
This study proposes a microfabricated resonant pressure sensor based on electrostatic excitation and low-impedance piezoresistive detection in which a pair of double-ended tuning forks were utilized as resonators for differential outputs.
Xiaoqing Shi, Yulan Lu, Bo Xie, Chao Xiang, Junbo Wang, Deyong Chen, Jian Chen   +6 more
doaj   +1 more source

A Resonant Pressure Microsensor Based on Double-Ended Tuning Fork and Electrostatic Excitation/Piezoresistive Detection

Sensors, 2018
This paper presents a resonant pressure microsensor relying on electrostatic excitation and piezoresistive detection where two double-ended tuning forks were used as resonators, enabling differential outputs.
Xiaoqing Shi, Yulan Lu, Bo Xie, Yadong Li, Junbo Wang, Deyong Chen, Jian Chen   +6 more
doaj   +1 more source

A new microstrip diplexer using open-loop resonators

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
In this paper, a new microstrip diplexer using open loop resonators with compact size and high isolation is designed and fabricated for the WLANs (IEEE 802.11b/g at 2.4 GHz and IEEE 802.11a at 5.2 GHz) applications.
A. Chinig, J. Zbitou, A. Errkik, L. Elabdellaoui, A. Tajmouati, A. Tribak, M. Latrach   +6 more
doaj   +1 more source

A Resonant Pressure Sensor Based upon Electrostatically Comb Driven and Piezoresistively Sensed Lateral Resonators

Micromachines, 2019
This study proposes a microfabricated resonant pressure sensor in which a pair of double-ended tuning forks were utilized as resonators where comb electrodes and single-crystal silicon-based piezoresistors were used for electrostatic excitation and ...
Xiaoqing Shi, Sen Zhang, Deyong Chen, Junbo Wang, Jian Chen, Bo Xie, Yulan Lu, Yadong Li   +7 more
doaj   +1 more source

Rapid Response to Trametinib Combined With Chemotherapy for Infant BRAF‐Fused Chiasmatic Glioma

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Infants, less than 1 year, with chiasmatic gliomas (ICG) present a major therapeutic challenge due to large tumor size, decreased vision, rapid progression, and poor response to vincristine/carboplatin chemotherapy. The majority have a BRAF fusion, which may respond to downstream MEK inhibitors but response time is slow. There are no safety or
Helen Toledano, Alexander Yelak, Walid Kaadan, Shlomo Caduri, Rivka Friedland, Orli Michaeli, Gad Dotan, Osnat Konen   +7 more
wiley   +1 more source

Stability Characteristics of a Model Trim Adjustment System for Open Loop Active Control of Thermoacoustic Instability

Journal of Aerospace Technology and Management, 2019
Thermoacoustic instability in liquid rocket engines can have potentially catastrophic consequences. Active control based on feedback promises improved stability margin over a wider range of operating conditions than passive control.
Varghese M Thannickal, T John Tharakan, Satyanarayanan R Chakravarthy   +2 more
doaj   +3 more sources

Experimental Investigation of Mode Localization’s Bifurcation Topology Transfer in Electrostatically Coupled Tuning Fork Resonators

Sensors
Bifurcation topology transfer phenomena in the presence of mode localization are investigated using double-ended fixed electrostatically coupled tuning fork resonators.
Ming Lyu, Xiang Zhi, Na Yan, Rongjian Sun   +3 more
doaj   +1 more source

Open-loop tunable resonators and filters with constant bandwidth

IET Microwaves, Antennas & Propagation, 2012
This study presents a compact novel design for achieving constant bandwidth tunable filters with wide tuning range. A method for linearising the Q-factor against frequency is proposed. A modified coupling structure is introduced to compensate for variations in filtering characteristic across the theoretical 50% tuning range of the filter. Filter design
L. Athukorala, D. Budimir
openaire   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

FEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source