Articles with "impact time" as a keyword



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Quality of life more than 10 years after radiotherapy for localized prostate cancer—impact of time after treatment and prescription dose

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Published in 2020 at "Quality of Life Research"

DOI: 10.1007/s11136-020-02639-7

Abstract: Analysis of quality of life changes after radiotherapy with focus on the impact of time after treatment and prescription dose. Consecutive patients were treated with doses from 70.2/1.8 Gy (n = 206) to 72/1.8–2.0 Gy (n = 176) in… read more here.

Keywords: prescription dose; impact time; time treatment; treatment prescription ... See more keywords
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Impact time and angle control guidance independent of time-to-go prediction

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Published in 2019 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2019.01.047

Abstract: Abstract A novel cruise guidance method that can meet the terminal latitude and longitude, time and angle constraints independent of time-to-go prediction is studied in this paper. The impact time and angle control guidance (ITACG)… read more here.

Keywords: time angle; time; time prediction; impact time ... See more keywords
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A computational-geometry-based 3-dimensional guidance law to control impact time and angle

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Published in 2020 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2019.105672

Abstract: Abstract In this paper, a new guidance law is proposed based on computational geometry with impact time and angle constraints against a stationary target in three dimensions. The law is based on the principle of… read more here.

Keywords: guidance law; impact time; geometry; computational geometry ... See more keywords
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Deviated Pursuit based Nonlinear Impact-Time Guidance with Finite-Time Convergence

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Published in 2020 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2020.06.016

Abstract: Abstract This paper proposes two finite-time convergent guidance schemes to intercept a constant velocity target at a pre-specified impact-time. The guidance commands exploit the archetype of deviated pursuit scheme to facilitate the synthesis of impact-time… read more here.

Keywords: finite time; deviated pursuit; time; impact time ... See more keywords
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Three Dimensional Nonlinear Guidance Law for Exact Impact Time Control

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3185606

Abstract: This paper presents a nonlinear guidance law for controlling the impact time of a missile-target engagement in three dimensions. The guidance law is initially formulated for a two-dimensional encounter before being extended to a three-dimensional… read more here.

Keywords: guidance law; time; impact time;
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Impact of time to diagnosis on Mayo stages, treatment outcome, and survival in patients with AL amyloidosis and cardiac involvement

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Published in 2021 at "European Journal of Haematology"

DOI: 10.1111/ejh.13681

Abstract: To study the impact of time to diagnosis on cardiac Mayo stages, treatment outcome, and overall survival. read more here.

Keywords: mayo stages; time diagnosis; impact time; stages treatment ... See more keywords
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Estimation of Quality‐adjusted Life Years alongside clinical trials: the impact of ‘time‐effects’ on trial results

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Published in 2018 at "Journal of Pharmaceutical Health Services Research"

DOI: 10.1111/jphs.12218

Abstract: The objectives were to investigate the impact of ‘time‐effect’ on the estimation of quality‐adjusted life years (QALYs) along prospective clinical trials’ outcomes using an assumed fixed time duration versus the actual time durations for each… read more here.

Keywords: estimation quality; life years; time; quality adjusted ... See more keywords
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Impact and Time Course of Clostridium difficile Colonization in Very Low Birth Weight Infants

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Published in 2018 at "Neonatology"

DOI: 10.1159/000488025

Abstract: Background: Clostridium difficile is a gram-positive, anaerobic spore-forming, toxin-producing bacillus, which is one of the most common causes for health care-associated infections. High colonization rates in clinically asymptomatic neonates and infants have been described, although… read more here.

Keywords: clostridium difficile; difficile colonization; time course; low birth ... See more keywords
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Impact of Time to Treatment on Endovascular Thrombectomy Outcomes in the Early Versus Late Treatment Time Windows

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Published in 2023 at "Stroke"

DOI: 10.1161/strokeaha.122.040352

Abstract: Background: The impact of time to treatment on outcomes of endovascular thrombectomy (EVT) especially in patients presenting after 6 hours from symptom onset is not well characterized. We studied the differences in characteristics and treatment… read more here.

Keywords: time; endovascular thrombectomy; time treatment; home ... See more keywords
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Three-dimensional cooperative guidance law to control impact time and angle with fixed-time convergence

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Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"

DOI: 10.1177/09544100211043093

Abstract: This article proposes a new terminal cooperative guidance law to control both impact time and impact angle in three-dimensional engagement. The presented guidance law employs on and normal line-of-sight accelerations to control the impact time… read more here.

Keywords: guidance law; time; guidance; fixed time ... See more keywords
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Integrated impact time guidance and control against non-maneuvering targets

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Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"

DOI: 10.1177/09544100221083427

Abstract: This paper proposes integrated guidance and control for skid-to-turn cruciform canard-controlled interceptors for controlling impact time along with interception of non-maneuvering targets. This approach circumvents the possible difficulties associated with designing guidance and control subsystems… read more here.

Keywords: guidance control; control; guidance; non maneuvering ... See more keywords