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Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32591
Abstract: A broadband highly efficient and miniaturized polarizing converter, employing non‐Foster metasurface composed of a single layer cut‐wire resonator is presented in microwave regime. Non‐Foster component are loaded to traditional dipole‐type linear polarized converter to further…
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Keywords:
polarized converter;
converter;
non foster;
broadband ... See more keywords
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Published in 2021 at "Journal of Child and Family Studies"
DOI: 10.1007/s10826-021-02185-x
Abstract: The COVID-19 pandemic and the resulting lockdown have had a far-reaching impact across all levels of society. In Spain, severe restrictions were placed on people’s mobility, and leaving the home was only possible under special…
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Keywords:
non foster;
lockdown family;
family context;
family ... See more keywords
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Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-07323-4
Abstract: One of the long-standing and challenging problems in microwave engineering is the realization of ultra-wideband absorption using extremely-thin structures. Magnetic material can facilitate thickness reduction for microwave absorbers but also bring inherent narrowband admittance matching…
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Keywords:
admittance matching;
admittance;
thin magnetic;
absorber ... See more keywords
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Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2927259
Abstract: A novel reconfigurable non-Foster capacitance (NFC) using negative group delay (NGD) circuit is presented in this paper. The NGD circuit is based on a multi-order distributed amplifier which is used to achieve both NGD performance…
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Keywords:
foster capacitance;
group delay;
reconfigurable non;
negative group ... See more keywords
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Published in 2022 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3171570
Abstract: The proliferation of millimeter-wave (mmWave) bands across 24–90 GHz and the strict spectral efficiency requirements demand future transmitter front ends to operate across multiple bands with simultaneously back-off efficiency and high linearity—characteristics that typically trade…
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Keywords:
quadrature hybrid;
doherty;
non foster;
efficiency ... See more keywords
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Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2016.2600525
Abstract: A broadside radiating, linearly polarized, electrically small Huygens source antenna system that has a large impedance bandwidth is reported. The bandwidth performance is facilitated by embedding non-Foster components into the near-field resonant parasitic elements of…
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Keywords:
broadside radiating;
electrically small;
source antenna;
huygens source ... See more keywords
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Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2951529
Abstract: The concept of a self-oscillating non-Foster unit cell, intended for use in future active metasurfaces, is introduced. It is based on two orthogonally polarized small antennas connected via a negative impedance converter (NIC). An NIC…
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Keywords:
self oscillating;
oscillating non;
non foster;
unit cell ... See more keywords
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Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2018.2793893
Abstract: A stability and bifurcation analysis of multi-element non-Foster networks is presented, illustrated through its application to non-Foster transmission lines. These are obtained by periodically loading a passive transmission line with negative capacitors, implemented with negative-impedance…
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Keywords:
analysis;
multi element;
stability;
bifurcation ... See more keywords
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Published in 2020 at "Pediatrics"
DOI: 10.1542/peds.146.1_meetingabstract.508-a
Abstract: Purpose The purpose of this study was to examine and analyze Medicaid utilization data from a comprehensive sample of foster and non-foster Medicaid patients in a large metropolitan area to determine rates of diagnoses of…
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Keywords:
foster;
children foster;
mental health;
foster non ... See more keywords