Articles with "fan beam" as a keyword



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Can Fan-Beam Interactive Computed Tomography Accurately Predict Indirect Decompression in Minimally Invasive Spine Surgery Fusion Procedures?

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Published in 2017 at "World neurosurgery"

DOI: 10.1016/j.wneu.2017.07.167

Abstract: BACKGROUND Recently, novel mobile intraoperative fan-beam computed tomography (CT) was introduced, allowing for real-time navigation and immediate intraoperative evaluation of neural decompression in spine surgery. This study sought to investigate whether intraoperatively assessed neural decompression… read more here.

Keywords: spine surgery; decompression; fan beam; fusion ... See more keywords
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New iterative reconstruction methods for fan-beam tomography

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Published in 2018 at "Inverse Problems in Science and Engineering"

DOI: 10.1080/17415977.2017.1340946

Abstract: Abstract In this paper, we present a novel class of iterative reconstruction methods for severely angular undersampled or/and limited-view tomographic problems with fan-beam scanning geometry. The proposed algorithms are based on a new analytical transform… read more here.

Keywords: iterative reconstruction; reconstruction methods; fan beam; geometry ... See more keywords
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A Perspective on the Performance of the CFOSAT Rotating Fan-Beam Scatterometer

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Published in 2019 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2018.2858852

Abstract: The China-France Oceanography Satellite (CFOSAT) to be launched in October 2018 will carry two innovative payloads, i.e., the surface wave investigation and monitoring instrument and the rotating fan-beam scatterometer [CFOSAT scatterometer (CFOSCAT)]. Both instruments, operated… read more here.

Keywords: beam scatterometer; scatterometer; fan beam; rotating fan ... See more keywords
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Improving Gas Distribution Tomography: Evaluation of Algorithms and Fan-Beam Measurement Geometries Indoors

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Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2023.3240214

Abstract: Gas distribution mapping (GDM) is widely used to evaluate the efficiency of environmental control systems and locate pollution sources. In this study, the optimized fan-beam measurement geometries and tomography algorithms were proposed for mapping the… read more here.

Keywords: gas; fan beam; beam measurement; gas distribution ... See more keywords
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Series-Fed Coupled Split-Ring Resonator Array Antenna With Wide Fan-Beam and Low Sidelobe Level for Millimeter-Wave Automotive Radar

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Published in 2023 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2022.3226294

Abstract: This paper proposes a millimeter-wave series-fed coupled split-ring resonator array (SCSRRA) antenna with a wide fan-beam pattern and low sidelobe level (SLL) for automotive radar. The proposed array antenna has the advantages of low cost,… read more here.

Keywords: ring resonator; fan beam; wide fan; split ring ... See more keywords
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Use of a novel helical fan beam imaging system for computed tomography of the head and neck in sedated standing horses: 120 cases (2019-2020).

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Published in 2022 at "Journal of the American Veterinary Medical Association"

DOI: 10.2460/javma.21.10.0471

Abstract: OBJECTIVE To evaluate the diagnostic capabilities of a novel helical fan beam CT system used for imaging of horses with clinical problems of the head and neck. ANIMALS 120 horses. PROCEDURES Medical records were reviewed… read more here.

Keywords: neck; head neck; helical fan; fan beam ... See more keywords
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Fan-Beam Based Virtual Fluoroscopy for Navigated Catheterization in Interventional Radiology

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Published in 2019 at "Studies in health technology and informatics"

DOI: 10.3233/shti190186

Abstract: Personalized medicine implies reducing invasiveness of therapeutic procedures. Although interventional radiology proved a very interesting alternative to surgical procedures, it still raises concerns due to the irradiation dose received by the medical team (and by… read more here.

Keywords: virtual fluoroscopy; beam based; based virtual; radiology ... See more keywords
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Quasi-Yagi Slotted Array Antenna with Fan-Beam Characteristics for 28 GHz 5G Mobile Terminals

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Published in 2020 at "Applied Sciences"

DOI: 10.3390/app10217686

Abstract: A quasi-Yagi slotted array antenna with fan-beam characteristics is proposed for 28 GHz 5G mobile terminals. The antenna is composed of a 1 × 8 slot antenna array with directors to enhance the half-power beamwidth… read more here.

Keywords: quasi yagi; fan beam; antenna; antenna fan ... See more keywords
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Lightweight Fan-Beam Microstrip Grid Antenna for Airborne Microwave Interferometric Radiometer Applications

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Published in 2023 at "Micromachines"

DOI: 10.3390/mi14010228

Abstract: The microwave interferometric radiometer (MIR) uses aperture synthesis technology to equate multiple small-aperture antennas into a large-aperture antenna to improve spatial resolution. At present, MIR antennas that operate at frequencies above the C-band mostly use… read more here.

Keywords: grid antenna; fan; microstrip grid; fan beam ... See more keywords