Results 31 to 40 of about 133,329 (294)

On signalling over through-silicon via (TSV) interconnects in 3-D integrated circuits. [PDF]

open access: yes, 2010
This paper discusses signal integrity (SI) issues and signalling techniques for Through Silicon Via (TSV) interconnects in 3-D Integrated Circuits (ICs). Field-solver extracted parasitics of TSVs have been employed in Spice simulations to investigate the
Grange, M.   +3 more
core   +2 more sources

Systematic Design Method for Mutual Coupling Reduction in Closely Spaced Patch Antennas

open access: yesIEEE Open Journal of Antennas and Propagation, 2023
In this article, a systematic design approach is presented to reduce the mutual coupling between a pair of closely spaced microstrip patch antennas (MPAs).
Hui Deng, Lei Zhu, Zhao-An Ouyang
doaj   +1 more source

Classification and Localization of Mixed Sources Using Uniform Circular Array under Unknown Mutual Coupling [PDF]

open access: yesRadioengineering, 2019
In this paper, the authors propose an effective classification and localization algorithm of mixed far-field and near-field sources using a uniform circular array under the unknown mutual coupling. In practice, the assumption of an ideal receiving sensor
K. Wang, L. Wang, J. Xie, M. Tao
doaj  

Multiple‐input‐multiple‐output antenna with pattern reconfiguration and correlation reduction for WLAN applications

open access: yesEngineering Reports, 2020
A Yagi‐Uda inspired novel pattern reconfigurable multiple‐input‐multiple‐output (MIMO) antenna array is proposed in this article. The antenna consists of two co‐axially excited microstrip patch radiators with modified ground plane.
Sagiru Gaya   +4 more
doaj   +1 more source

Mutual Coupling Reduction Techniques in Electronic Steering Antennas in X Band [PDF]

open access: yes, 2011
This work provides the development of an antenna for satellite communications onboard systems based on the recommendations ITU-R S.580-6 [1] and ITU-R S.465-5 [2].
Exposito Dominguez, Gonzalo   +3 more
core   +1 more source

Phase reduction and synchronization of a network of coupled dynamical elements exhibiting collective oscillations

open access: yes, 2018
A general phase reduction method for a network of coupled dynamical elements exhibiting collective oscillations, which is applicable to arbitrary networks of heterogeneous dynamical elements, is developed.
Arai, Kensuke   +4 more
core   +1 more source

Stochastic framework for evaluating the effect of displaced antenna elements on DOA estimation [PDF]

open access: yes, 2017
We establish a statistical framework for investigating the influence of correlated random displacements of antenna elements in a uniform circular antenna array (UCA) on the distribution of direction-of-arrival (DOA) estimates. More specifically, we apply
Bruneel, Herwig   +5 more
core   +2 more sources

Molecular bases of circadian magnesium rhythms across eukaryotes

open access: yesFEBS Letters, EarlyView.
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

DOA Estimation Using Fourth-Order Cumulants in Nested Arrays with Structured Imperfections

open access: yesSensors, 2020
Recently developed super nested array families have drawn much attention owing to their merits on keeping the benefits of the standard nested arrays while further mitigating coupling in dense subarray portions.
Baoping Wang, Junhao Zheng
doaj   +1 more source

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