Results 31 to 40 of about 106,916 (291)

Optimization of thermal regimes of microwave resonators digital active phased array antenna

Вестник Дагестанского государственного технического университета: Технические науки, 2022
Objective. The aim of the study is to simulate resonators for microwave digital active phased antenna arrays (DFAAR) in the microwave range, which will optimize the parameters of the antenna system for more reliable direction finding with high ...
Kh. M. Gadzhiev, A. A. Akimov, E. A. Abdurafikov, R. Sh. Asaliev, A. M. Magomedov   +4 more
doaj   +1 more source

High-Precision and Robust DNN Model for Predicting Quality Factor of WPT-Oriented Slotted Ground Resonators

IEEE Access
Machine learning (ML) has emerged as an effective approach for optimizing circuit design and bringing a paradigm shift in the development of wireless power transfer (WPT) systems. Being the main building blocks of near-field WPT, the slotted ground plane
K. Dautov, G. Tolebi, M. S. Hashmi, A. Jarndal, E. Almajali, G. Nauryzbayev   +5 more
doaj   +1 more source

Chemical Gas Sensor Based on a Flexible Capacitive Microwave Transducer Associated with a Sensitive Carbon Composite Polymer Film

Proceedings, 2017
This communication presents results on the feasibility of an inkjet printed chemical gas sensor suitable for a real time multi-sensing platform. The prototype targets volatile organic compounds (VOCs) such as ethanol vapor to monitor environmental ...
Prince Bahoumina, Hamida Hallil, Jean-Luc Lachaud, Aymen Abdelghani, Kamel Frigui, Stephane Bila, Dominique Baillargeat, Qing Zhang, Phillipe Coquet, Carlos Paragua, Emmanuelle Pichonat, Henri Happy, Dominique Rebière, Corinne Dejous   +13 more
doaj   +1 more source

Highly Mass-Sensitive Thin Film Plate Acoustic Resonators (FPAR)

Sensors, 2011
The mass sensitivity of thin aluminum nitride (AlN) film S0 Lamb wave resonators is theoretically and experimentally studied. Theoretical predictions based on modal and finite elements method analysis are experimentally verified.
Ventsislav Yantchev, Ilia Katardjiev, Vesseline Strashilov, Ivan D. Avramov, Ekaterina Radeva, Gergana Alexieva, Lilia Arapan   +6 more
doaj   +1 more source

Dynamics of Alfvén waves in the night-side ionospheric Alfvén resonator at mid-latitudes [PDF]

, 2005
International audienceA numerical solution of the problem on dynamics of shear-mode Alfvén waves in the ionospheric Alfvén resonator (IAR) region at middle latitudes at nighttime is presented for a case when a source emits a single pulse of duration ...
Grebnev, I. A., V. V. Alpatov, M. G. Deminov, D. S. Faermark, Kosch, M. J., M. J. Kosch, Faermark, D. S., I. A. Grebnev, Deminov, M. G., Alpatov, V. V.   +9 more
core   +2 more sources

Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates

Energies, 2016
Wireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged ...
Linlin Tan, Jiacheng Li, Chen Chen, Changxin Yan, Jinpeng Guo, Xueliang Huang   +5 more
doaj   +1 more source

Embedded optical microfiber coil resonator

, 2007
The embedding of an optical microfiber coil resonator in Teflon is demonstrated. Resonances in excess of 9dB and Q-factors greater than 6000 have been observed.
Brambilla, Gilberto, Xu, Fei
core   +2 more sources

Resonance superfluidity: Renormalization of resonance scattering theory [PDF]

Physical Review A, 2002
15 pages, 10 ...
Kokkelmans S, Milstein JN, CHIOFALO, MARIA LUISA, Walser R, Holland MJ   +4 more
openaire   +2 more sources

Dielectric resonators and filters for cellular base-stations [PDF]

, 2003
The investigation into three types of dielectric resonators for use in base-station filtering applications is presented. The triple-mode cubic TE016 resonator is shown to have good performance for high Q applications.
Walker, Vanessa Evelyne Guillemette
core   +5 more sources

Optimal Design of a Polyaniline-Coated Surface Acoustic Wave Based Humidity Sensor

Sensors, 2013
This paper presents an optimal design for a new humidity sensor composed of a dual-resonator oscillator configuration with an operation frequency of 300 MHz, and a polyaniline (PANI) coating deposited along the resonation cavity of the sensing device. To
Wen Wang, Xiao Xie, Shitang He
doaj   +1 more source