Results 91 to 100 of about 20,599 (222)

GUI for Analysis of Parameters, Accurate Design and Optimization of Microstrip Filters

open access: yesApplied System Innovation
Microstrip filters are widely used in electronics and communications. Designing these filters requires knowledge in communications, microwave engineering, and radiofrequency systems.
Luis Arturo García-Delgado   +7 more
doaj   +1 more source

The bolometric focal plane array of the Polarbear CMB experiment

open access: yes, 2012
The Polarbear Cosmic Microwave Background (CMB) polarization experiment is currently observing from the Atacama Desert in Northern Chile. It will characterize the expected B-mode polarization due to gravitational lensing of the CMB, and search for the ...
Ade, P. A. R.   +55 more
core   +3 more sources

Engineering Cathode–Electrolyte Interphase for High‐Performance Li–S Batteries

open access: yesCarbon Neutralization, Volume 5, Issue 1, January 2026.
This review focuses on electrode surface modification strategies to fundamentally enhance battery cyclability and charge–discharge kinetics, addressing critical limitations in contemporary energy storage systems. ABSTRACT Lithium–sulfur (Li–S) batteries exhibit notable advantages, such as lower cost, due to the abundance and affordability of sulfur ...
Anni Ai   +3 more
wiley   +1 more source

Coupling Matrix Representation of Nonreciprocal Filters Based on Time Modulated Resonators [PDF]

open access: yes, 2019
This paper addresses the analysis and design of non-reciprocal filters based on time modulated resonators. We analytically show that time modulating a resonator leads to a set of harmonic resonators composed of the unmodulated lumped elements plus a ...
Alvarez-Melcon, A.   +4 more
core   +2 more sources

From Detection to Countermeasure: A Review of Key Technologies in Counter‐Unmanned Aerial Vehicle Systems

open access: yesIET Cyber-Systems and Robotics, Volume 8, Issue 1, January/December 2026.
ABSTRACT With the rapid proliferation of unmanned aerial vehicles (UAVs) in the military, logistics and public safety sectors, the threat of illegal intrusion, information theft, and security breaches has increased. This paper provides a comprehensive review of recent developments in counter‐unmanned aerial vehicle (counter‐UAV) systems, focussing on ...
Lei Xing, Can Cui, Miao Wang, Chao Xu
wiley   +1 more source

Study the Comparison between Un-Bended and Bended Broadband Parallel Coupled Microstrip Bandpass Filters Under Certain Angle

open access: yesJournal of Engineering and Sustainable Development, 2011
In this paper, design and simulation of broadband parallel-coupled microstrip bandpass filters used for modern wireless communication technology (Military & Industrial System such as Low Noise Block ( ) in Television Satellite) are presented, Four ...
Ahmed H. Reja   +2 more
doaj  

A Compact High-Pass Filter Using Hybrid Microstrip/Nonuniform CPW with Dual-Mode Resonant Response

open access: yesInternational Journal of Antennas and Propagation, 2016
A novel and miniature high-pass filter (HPF) based on a hybrid-coupled microstrip/nonuniform coplanar waveguide (CPW) resonator is proposed in this article, in which the designed CPW has exhibited a wideband dual-mode characteristic within the desired ...
Hui Chen   +3 more
doaj   +1 more source

Wideband and UWB antennas for wireless applications. A comprehensive review [PDF]

open access: yes, 2017
A comprehensive review concerning the geometry, the manufacturing technologies, the materials, and the numerical techniques, adopted for the analysis and design of wideband and ultrawideband (UWB) antennas for wireless applications, is presented. Planar,
Cicchetti, Renato   +2 more
core   +3 more sources

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