Articles with "aperture radar" as a keyword



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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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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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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

Monitoring spring phenology in Mediterranean beech populations through in situ observation and Synthetic Aperture Radar methods

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Published in 2020 at "Remote Sensing of Environment"

DOI: 10.1016/j.rse.2020.111978

Abstract: Abstract The interest in tree phenology monitoring is increasing because this trait is a robust indicator of the impacts of climate change on natural and managed ecosystems. Different approaches to monitor phenology at different spatial… read more here.

Keywords: phenology; aperture radar; spring; synthetic aperture ... See more keywords
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An improved method for deceptive jamming against synthetic aperture radar

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Published in 2017 at "International Journal of Microwave and Wireless Technologies"

DOI: 10.1017/s175907871700109x

Abstract: Jamming of synthetic aperture radar (SAR) is more difficult than the conventional radars because of its high processing gain. The defocusing of fake or virtual scatterers is the main problem that any jamming technique needs… read more here.

Keywords: aperture radar; jamming synthetic; synthetic aperture;
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Rapid flood and damage mapping using synthetic aperture radar in response to Typhoon Hagibis, Japan

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Published in 2020 at "Scientific Data"

DOI: 10.1038/s41597-020-0443-5

Abstract: During the aftermath of Typhoon Hagibis, we made flood and damage proxy maps, rapidly derived from synthetic aperture radar (SAR) data using change detection approaches. The maps have large spatial coverage over the Tokyo, Fukushima,… read more here.

Keywords: typhoon; flood damage; aperture radar; damage ... See more keywords
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Through-wall detection and imaging of a vibrating target using synthetic aperture radar

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Published in 2017 at "Electronics Letters"

DOI: 10.1049/el.2017.1570

Abstract: The development of a through-wall synthetic aperture radar (SAR) simulator, which is being used to investigate the SAR artefacts originating from vibrating target's, known as paired echoes is explained. The simulation and experimental results both… read more here.

Keywords: aperture radar; wall; vibrating target; synthetic aperture ... See more keywords
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Signals with zero autocorrelation zone for the synthesised aperture radar

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Published in 2019 at "Electronics Letters"

DOI: 10.1049/el.2019.1918

Abstract: For the synthesised aperture radar, the radar signal with a zero autocorrelation zone (ZACZ) is synthesised, which represents a sequence from two phase-code shift keying (PCSK) pulses coded by adjacent pairs of the D-code with… read more here.

Keywords: autocorrelation zone; radar; aperture radar; synthesised aperture ... See more keywords
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Development of circularly polarized synthetic aperture radar on-board UAV JX-1

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Published in 2017 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2016.1275057

Abstract: ABSTRACT We developed L band (frequency 1.275 GHz) circularly polarized synthetic aperture radar (circularly polarized SAR) on-board unmanned aerial vehicle (UAV). This paper explains the configuration of system, antenna, and car-based experiment of circularly polarized… read more here.

Keywords: polarized sar; aperture radar; circularly polarized; polarized synthetic ... See more keywords
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Estimation of sea state from Sentinel-1 Synthetic aperture radar imagery for maritime situation awareness

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Published in 2019 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2018.1558377

Abstract: ABSTRACT A new empirical algorithm CWAVE_S1-IW for estimation of significant wave height Hs including swell and wind sea from C-band satellite-borne Synthetic Aperture Radar (SAR) data has been developed for Sentinel-1 (S1) Interferometric Wide Swatrh… read more here.

Keywords: estimation; aperture radar; sea; wave ... See more keywords
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A family of divergence-based classifiers for Polarimetric Synthetic Aperture Radar (PolSAR) imagery vector and matrix features

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Published in 2020 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2020.1826060

Abstract: ABSTRACT Polarimetric Synthetic Aperture Radar (PolSAR) is one of the most important remote sensing tools. However, PolSAR images are strongly contaminated by a multidimensional interference (called speckle noise), making their processing (e.g. in the classification… read more here.

Keywords: polsar; vector; aperture radar; synthetic aperture ... See more keywords