Articles with "pulse repetition" as a keyword



Facilitatory effect of low-pulse repetition frequency ultrasound on release of extracellular vesicles from cultured myotubes

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Published in 2024 at "Journal of Medical Ultrasonics (2001)"

DOI: 10.1007/s10396-024-01429-9

Abstract: Extracellular vesicles (EVs) serve as carriers of intracellular factors with therapeutic effects, including tissue regeneration and attenuation of inflammatory responses. The majority of EVs in vivo are derived from skeletal muscle, which is reported to… read more here.

Keywords: cultured myotubes; release; repetition; pulse repetition ... See more keywords

Ultrasound pulse repetition frequency preferentially activates different neuron populations independent of cell type

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Published in 2024 at "Journal of Neural Engineering"

DOI: 10.1088/1741-2552/ad731c

Abstract: Objective. Transcranial ultrasound (US) stimulation serves as an external input to a neuron, and thus the evoked response relies on neurons’ intrinsic properties. Neural activity is limited to a couple hundred hertz and often exhibits… read more here.

Keywords: cell; pulse repetition; cell type; frequency ... See more keywords

Micromotion Parameters Estimation for Helicopter Under Low-Pulse Repetition Frequency Condition

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Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2024.3445315

Abstract: The article proposes a micromotion parameter estimation method based on multidomain feature fusion and least squares estimation (LSE). For rotor-type targets, in practice, the spectral line interval in the time–frequency domain is equal to the… read more here.

Keywords: micromotion; low pulse; micromotion parameters; pulse repetition ... See more keywords

Staggered Coprime Pulse Repetition Frequencies Synthetic Aperture Radar (SCopSAR)

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2021.3087518

Abstract: High-resolution wide-swath synthetic aperture radar (HRWS-SAR) imaging is highly desirable since it allows one to produce high-resolution SAR images of large areas during a short visit time. In this article, staggered coprime pulse repetition frequencies… read more here.

Keywords: repetition frequencies; aperture radar; scopsar; synthetic aperture ... See more keywords

Ambiguity Clutter Suppression via Pseudorandom Pulse Repetition Interval for Airborne Radar System

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3192273

Abstract: Ambiguity clutter for airborne radar systems is usually caused by a uniform pulse repetition interval (UPRI) waveform, which significantly degrades target detection and location performance. To address this issue, this article proposes an ambiguity clutter… read more here.

Keywords: repetition interval; ambiguity clutter; pulse repetition; clutter ... See more keywords

Formation of a Nanosecond Discharge and Generation of Runaway Electrons When Applying a Voltage Pulse Train

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Published in 2024 at "IEEE Transactions on Plasma Science"

DOI: 10.1109/tps.2023.3342330

Abstract: The effect of a pulse repetition rate and a number of voltage pulses on the formation of a nanosecond discharge under a sharply inhomogeneous electric field, as well as on the generation of runaway electrons… read more here.

Keywords: voltage; nanosecond discharge; formation; pulse repetition ... See more keywords

Enhanced X-ray Emissions Arising from High Pulse Repetition Frequency Ultrashort Pulse Laser Materials Processing

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Published in 2022 at "Materials"

DOI: 10.3390/ma15082748

Abstract: The ongoing trend in the development of powerful ultrashort pulse lasers has attracted increasing attention for this technology to be applied in large-scale surface engineering and modern microfabrication. However, the emission of undesired X-ray photon… read more here.

Keywords: emission; repetition frequency; pulse repetition; pulse laser ... See more keywords

Effect of Pulse Repetition Rate on Ultrafast Laser-Induced Modification of Sodium Germanate Glass

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Published in 2023 at "Nanomaterials"

DOI: 10.3390/nano13071208

Abstract: We report an unexpected pulse repetition rate effect on ultrafast-laser modification of sodium germanate glass with the composition 22Na2O 78GeO2. While at a lower pulse repetition rate (~≤250 kHz), the inscription of nanogratings possessing form… read more here.

Keywords: effect; laser; repetition rate; pulse repetition ... See more keywords