Articles with "optimal frequency" as a keyword



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Optimal frequency of scans for patients on cancer therapies: A population kinetics assessment

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Published in 2019 at "Cancer Medicine"

DOI: 10.1002/cam4.2571

Abstract: Optimal frequency of follow‐up scans for patients receiving systemic therapies is poorly defined. Progression‐free survival (PFS) generally follows first‐order kinetics. We used exponential decay nonlinear regression analysis to calculate half‐lives for 887 published PFS curves. read more here.

Keywords: patients cancer; optimal frequency; scans patients; frequency scans ... See more keywords
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Different functional connectivity optimal frequency in autism compared with healthy controls and the relationship with social communication deficits: Evidence from gene expression and behavior symptom analyses

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Published in 2022 at "Human Brain Mapping"

DOI: 10.1002/hbm.26011

Abstract: Studies have reported that different brain regions/connections possess distinct frequency properties, which are related to brain function. Previous studies have proposed altered brain activity frequency and frequency‐specific functional connectivity (FC) patterns in autism spectrum disorder… read more here.

Keywords: social communication; frequency; frequency asd; optimal frequency ... See more keywords
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Cortical nicotinic enhancement of tone-evoked heightened activities and subcortical nicotinic enlargement of activated areas in mouse auditory cortex

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Published in 2022 at "Neuroscience research"

DOI: 10.1016/j.neures.2022.04.001

Abstract: Systemic nicotine administration regulates neuronal activities in mouse auditory cortex. How nicotine regulates the spread of the activities across auditory cortical areas is not well known. We investigate this using flavoprotein fluorescence imaging. 20kHz amplitude-modulated… read more here.

Keywords: tone evoked; mouse auditory; optimal frequency; auditory cortex ... See more keywords
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Optimal frequency combination estimation for accurate ultrasound non‐destructive testing

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Published in 2020 at "Electronics Letters"

DOI: 10.1049/el.2020.1611

Abstract: A non-destructive testing system requires multiple system configuration parameters during the operation process. For a given transducer, scanning frequency and number of measurements for averaging are just among those parameters. This work tests the central… read more here.

Keywords: destructive testing; frequency; optimal frequency; non destructive ... See more keywords
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A new controller design method for optimal frequency regulation in smart grid based on incremental passivity

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Published in 2021 at "International Journal of Control"

DOI: 10.1080/00207179.2021.1886329

Abstract: In this paper, a simple and effective distributed suboptimal second-order sliding mode (D-SSOSM) controller is proposed to solve the problem of optimal frequency regulation for smart grid system. T... read more here.

Keywords: frequency regulation; optimal frequency; controller; smart grid ... See more keywords
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Robust and Resilient Distributed Optimal Frequency Control for Microgrids Against Cyber Attacks

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Published in 2022 at "IEEE Transactions on Industrial Informatics"

DOI: 10.1109/tii.2021.3071753

Abstract: The optimal frequency control of autonomous microgrids (MGs), i.e., to achieve fast frequency recovery and dynamic power adjustment of the distributed generators in proportion to predefined participation factors, can be achieved in a fully distributed… read more here.

Keywords: frequency; frequency control; robust resilient; cyber attacks ... See more keywords
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Optimal Frequency Control for Virtual Synchronous Generator Based AC Microgrids via Adaptive Dynamic Programming

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Published in 2023 at "IEEE Transactions on Smart Grid"

DOI: 10.1109/tsg.2022.3196412

Abstract: This paper proposes a novel virtual synchronous generator (VSG) controller for converters in AC microgrids (MGs). Such controller improves the control cost and DC-side energy requirements, while considering the system non-linearity for frequency support. First,… read more here.

Keywords: virtual synchronous; frequency; adaptive dynamic; control ... See more keywords
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Optimal frequency selection for accuracy improvement in binary defocusing fringe projection profilometry.

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Published in 2022 at "Applied optics"

DOI: 10.1364/ao.464506

Abstract: The binary defocusing fringe projection profilometry (FPP) technique has demonstrated various advantages for high-speed and high-accuracy three-dimensional (3D) surface measurement. However, higher fringe frequency does not necessarily give better measurements in binary defocusing FPP. To… read more here.

Keywords: frequency; accuracy; fringe; defocusing fringe ... See more keywords