Results 121 to 130 of about 566,949 (373)

Generation of unconventional OAM waves by a circular array

open access: yesThe Journal of Engineering, 2019
In recent years, orbital angular momentum (OAM) waves have been applied to improve the performance of radar target detection and imaging. However, the phase singularity of conventional OAM beams and the doughnut-shaped intensity distribution will degrade
Kang Liu   +4 more
doaj   +1 more source

Line-of-Sight Millimeter-Wave Communications Using Orbital Angular Momentum Multiplexing Combined With Conventional Spatial Multiplexing

open access: yesIEEE Transactions on Wireless Communications, 2017
Line-of-sight wireless communications can benefit from the simultaneous transmission of multiple independent data streams through the same medium in order to increase system capacity.
Yongxiong Ren   +13 more
semanticscholar   +1 more source

Inhibition of Glutamine Metabolism Attenuates Tumor Progression Through Remodeling of the Macrophage Immune Microenvironment

open access: yesAdvanced Biology, EarlyView.
The prodrug strategy used in this study offers new promise for cancer metabolism‐based therapies. JHU083, a prodrug that, when cleaved by protease in the tumor microenvironment, yields the glutamine antagonist DON. JHU083 inhibits tumor growth by targeting glutamine‐addicted cancer cells and suppressing glutamine‐dependent M2 macrophages, leading to a ...
Tianhe Li   +10 more
wiley   +1 more source

Detection of Viral Pathogens With Multiplex Nanopore MinION Sequencing: Be Careful With Cross-Talk

open access: yesFrontiers in Microbiology, 2018
Metagenomic sequencing with the Oxford Nanopore MinION sequencer offers potential for point-of-care testing of infectious diseases in clinical settings. To improve cost-effectiveness, multiplexing of several, barcoded samples upon a single flow cell will
Yifei Xu   +15 more
doaj   +1 more source

Digital frequency domain multiplexing readout electronics for the next generation of millimeter telescopes

open access: yes, 2014
Frequency domain multiplexing (fMux) is an established technique for the readout of transition-edge sensor (TES) bolometers in millimeter-wavelength astrophysical instrumentation. In fMux, the signals from multiple detectors are read out on a single pair
Austermann   +11 more
core   +1 more source

Infrared Neural Stimulation Elicits Distinct Molecular Pathways in Astrocytes Based on Laser Pulse Parameters

open access: yesAdvanced Biology, EarlyView.
Infrared (IR) light evokes distinct calcium and water transport responses in astrocytes, depending on stimulation duration and protocol. This study uses widefield imaging and pharmacology to reveal differential engagement of astroglial signaling pathways.
Wilson R. Adams   +7 more
wiley   +1 more source

Reducing Multiphoton Noise in Multiplexed Single-Photon Sources

open access: yesPhotonics
Multiplexed single-photon sources can produce indistinguishable single photons with high probability in near-perfect spatial modes. Such systems, realized with optical elements having losses, can be optimized—that is, both the optimal number of ...
Peter Adam, Matyas Mechler
doaj   +1 more source

MIMO Signal Multiplexing and Detection Based on Compressive Sensing and Deep Learning

open access: yesIEEE Access, 2019
We propose a novel signal multiplexing and detection method for multiple-input multiple-output (MIMO) communication systems, especially when the number of transmitting and receiving antennas is limited.
Chanzi Liu   +3 more
doaj   +1 more source

Development of a dc-ac power conditioner for wind generator by using neural network [PDF]

open access: yes, 2011
This project present of development single phase DC-AC converter for wind generator application. The mathematical model of the wind generator and Artificial Neural Network control for DC-AC converter is derived.
Yonis Buswig, Yonis Mohammed
core  

Massive individual orbital angular momentum channels for multiplexing enabled by Dammann gratings

open access: yesLight: Science & Applications, 2015
Data transmission rates in optical communication systems are approaching the limits of conventional multiplexing methods. Orbital angular momentum (OAM) in optical vortex beams offers a new degree of freedom and the potential to increase the capacity of ...
T. Lei   +11 more
semanticscholar   +1 more source

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