Articles with "synthetic aperture" as a keyword



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Investigating a reservoir bank slope displacement history with multi-frequency satellite SAR data

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Published in 2017 at "Landslides"

DOI: 10.1007/s10346-017-0846-3

Abstract: Slope instability arisen along with dam construction is a common problem of great concern in reservoir areas. Thus, displacement monitoring of active slopes is of great importance for the safety of dam operation. The unstable… read more here.

Keywords: satellite; slope; sar; displacement history ... See more keywords
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An Efficient Acoustic Scattering Model Based on Target Surface Statistical Descriptors for Synthetic Aperture Sonar Systems

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Published in 2020 at "Journal of Marine Science and Application"

DOI: 10.1007/s11804-020-00163-1

Abstract: Acoustic scattering as the perturbation of an incident acoustic field from an arbitrary object is a critical part of the target-recognition process in synthetic aperture sonar (SAS) systems. The complexity of scattering models strongly depends… read more here.

Keywords: proposed model; surface; target; model ... See more keywords
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A Novel Semi-Supervised Convolutional Neural Network Method for Synthetic Aperture Radar Image Recognition

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Published in 2019 at "Cognitive Computation"

DOI: 10.1007/s12559-019-09639-x

Abstract: Synthetic aperture radar (SAR) automatic target recognition (ATR) technology is one of the research hotspots in the field of image cognitive learning. Inspired by the human cognitive process, experts have designed convolutional neural network (CNN)-based… read more here.

Keywords: semi supervised; method; recognition; synthetic aperture ... See more keywords
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An accelerated nonlocal means algorithm for synthetic aperture radar ocean image despeckling

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Published in 2019 at "Acta Oceanologica Sinica"

DOI: 10.1007/s13131-019-1504-5

Abstract: Synthetic aperture radar (SAR) images play an increasingly important role in ocean environmental monitoring and research. However, SAR images are inherently corrupted by speckle noise. SAR ocean images have some unique characteristics. The signatures of… read more here.

Keywords: ocean image; image; aperture radar; nonlocal means ... See more keywords
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Analysis of array gain degradation of near-field passive synthetic aperture method

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Published in 2018 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2018.07.005

Abstract: Abstract A previous study established a method for localizing low-frequency acoustic sources in the near field using a passive synthetic aperture method [Lei et al., 2015]. Sound fields sampled at different positions (sub-apertures) and times… read more here.

Keywords: aperture method; passive synthetic; analysis; near field ... See more keywords
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A Gaussian random field model for de-speckling of multi-polarized Synthetic Aperture Radar data

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Published in 2019 at "Advances in Space Research"

DOI: 10.1016/j.asr.2019.03.013

Abstract: Abstract Synthetic Aperture Radar (SAR) data have gained interest for a variety of remote sensing applications, given the capability of SAR sensors to operate independent of solar radiation and day/night conditions. However, the radiometric quality… read more here.

Keywords: synthetic aperture; method; random field; aperture radar ... See more keywords
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Three-dimensional reconstruction of ceramic membrane with internal defects based on ultrasound imaging technique applying triangular matrix-synthetic aperture focusing

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2020.06.109

Abstract: Abstract To realize a three-dimensional (3D) visual display and evaluate the internal defects of a ceramic hollow plate membrane, a method for creating a 3D reconstruction of the internal defects based on an ultrasound imaging… read more here.

Keywords: triangular matrix; internal defects; aperture focusing; membrane ... See more keywords
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Analysis of airborne synthetic aperture ladar imaging with platform vibration

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Published in 2017 at "Optik"

DOI: 10.1016/j.ijleo.2017.04.009

Abstract: Abstract Synthetic aperture ladar (SAL), whose carrier is laser, makes use of synthetic aperture processing to improve the resolution of images. Since the wavelength of the laser is very short, it would be very sensitive… read more here.

Keywords: vibration; analysis airborne; synthetic aperture; aperture ladar ... See more keywords
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A channel phase error compensation method for multi-channel synthetic aperture ladar

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2018.10.074

Abstract: Abstract With the development of earth remote sensing technology, it is required to obtain high resolution and wide swath simultaneously. Synthetic Aperture Ladar(SAL) can achieve high-resolution images, but swath of images is limited. The multi-channel… read more here.

Keywords: phase error; compensation; synthetic aperture; channel ... See more keywords
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Based on electro-optic phase modulation broadband synthetic aperture imaging lidar

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Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.167740

Abstract: Abstract This paper proposes a broadband synthetic aperture imaging lidar based on electro-optic phase modulation, which uses an electro-optic phase modulator to generate a series of broadband chirp signals after the narrow linewidth seed source… read more here.

Keywords: optic phase; aperture imaging; broadband synthetic; synthetic aperture ... See more keywords
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Automating offshore infrastructure extractions using synthetic aperture radar & Google Earth Engine

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Published in 2019 at "Remote Sensing of Environment"

DOI: 10.1016/j.rse.2019.111412

Abstract: Abstract Although Land Use and Land Cover (LULC) change is primarily focused on the types, rates, causes, and consequences of land change, increased anthropogenic development on the ocean's surface, such as offshore oil extraction, offshore… read more here.

Keywords: aperture radar; using synthetic; radar google; infrastructure ... See more keywords