Results 251 to 260 of about 2,355,604 (311)

Defect-Polarization Coupling in 3D-Graphene/β-Ga₂O₃ Heterostructures for Self-Powered and Multifunctional Solar-Blind Ultraviolet Photodetection. [PDF]

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Zhu F, Wang Y, Li Z, Cao G, Ma H, Qian K, Li S, Zhang J, Lian S, Zheng L, He P, Zhao Y, Gao M, Xu W, Wang X, Wang G.   +15 more
europepmc   +1 more source

Neuromodulation of Working Memory: Mechanisms, Targets, and Behavioral Outcomes. [PDF]

Neurosci Insights
Sadat Rafiei SK, Ghorbani F, Rezaei J, Saremi A, Rafiei M, Hajizamani S, Asadi Anar M, Samiei M.   +7 more
europepmc   +1 more source

Case Report: Hepatic sinusoidal obstruction syndrome caused by <i>Gynura <b>s</b>egetum</i>. [PDF]

Front Med (Lausanne)
Xiang B, Liu Q, Dai X, Zhou X.
europepmc   +1 more source

A Measurement-Supported Extrapolation Framework for Lowband MIMO Coverage and Capacity Enhancement in Future AAS-Assisted Wireless Networks. [PDF]

Sensors (Basel)
Merkli K, Nagy S, Prukner P.
europepmc   +1 more source

Dual-Polarized Isolation-Improved MIMO Inverted-F Antenna Through an L-Shaped Decoupler. [PDF]

Sensors (Basel)
Hassan MA, Abdelgwad AH.
europepmc   +1 more source

Semiconductor room-temperature maser. [PDF]

Nat Commun
Gottscholl A, Wagenhöfer M, Baianov V, Eisermann E, Dyakonov V, Sperlich A.   +5 more
europepmc   +1 more source

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A high gain strategy with positive-feedback gain enhancement technique

ISCAS 2001. The 2001 IEEE International Symposium on Circuits and Systems (Cat. No.01CH37196), 2002
Several new CMOS very high DC-gain amplifiers that use internal positive-feedback techniques are presented. These amplifiers have a controllable gain and don't require perfect matching of transistors to achieve the high DC gain. An implementation of a sample and hold circuit constructed using one of the proposed amplifiers is described.
Mezyad M. Amourah, Randall L. Geiger
openaire   +2 more sources

Gain Enhancement of Antenna Arrays with Beamsteering

2018 International Conference on High Performance Computing & Simulation (HPCS), 2018
This paper describes the design and analysis of multiple rectangular patch antenna arrays. Several designs are proposed, simulated and measured namely single, 2 × 2, 4 × 2, and 4 × 4 arrays. The antenna parameters gain, directivity, and return loss are all examined for conclusion making.
Mona E. L. Abbasi, Mervat Madi, Mohamad Farran, Youssef Nasser, Karim Y. Kabalan   +4 more
openaire   +2 more sources

Broadcasting on the Grassmannian: Enhancing the multiplexing gain

2011 IEEE International Symposium on Information Theory Proceedings, 2011
It is known that in multiantenna broadcast channels without transmitter-side channel state information (CSIT), time-sharing (orthogonal transmission) achieves the maximum multiplexing gain if perfect receiver-side channel state information (CSIR) is available to all receivers, or if no receiver has CSIR.
Yang Li 0024, Aria Nosratinia
openaire   +2 more sources

Theory of microcavity-enhanced Raman gain

Optics Letters, 1999
We present a method for obtaining a simple relation between bulk and cavity-modified Raman gains for microcavities with arbitrary geometric shapes. The analytical expression for the microcavity-enhanced Raman gain quantitatively accounts quite well for all the main features of the related experiments.
Y, Wu, X, Yang, P T, Leung
openaire   +2 more sources