Results 31 to 40 of about 1,370,388 (368)
Passive Automatic Identification System for Maritime Surveillance [PDF]
, 2011 This work describes the main achievements in the Passive AIS (P-AIS) project stage. The extensive literature research in the second chapter concludes performing additional in-situ experiments to estimate reliable target RCS and clutter reflectivity ...
BROUSSOLLE JOAN +5 more
core +1 more source
Land-sea Separation and Sea Surface Zoning Algorithms for Sea Surface Target
Leida xuebao, 2019 Adaptive detection can effectively improve the detection performance of marine surveillance radars; however, the islands or lands introduce discrete or flaky strong clutter, which may result in wrong covariance matrix estimation.
ZHOU Ming +3 more
doaj +1 more source
Challenges in radar sea clutter modelling
IET Radar, Sonar & Navigation, 2022 Abstract The ability to detect small targets in sea clutter is still an ongoing challenge, even for modern radar systems. Over the past decade, the development of new radar waveforms and signal processing algorithms has been assisted by an increasingly good understanding of the characteristics of sea clutter.
Simon Watts, Luke Rosenberg
openaire +2 more sources
Study on Sea Clutter Suppression Methods based on a Realistic Radar Dataset
Remote Sensing, 2019 To improve the ability of radar to detect targets such as ships with a background of strong sea clutter, different sea-clutter suppression algorithms are developed based on the realistic Intelligent PIxel processing X-band (IPIX) radar datasets, and ...
Mingjie Lv, Chen Zhou
doaj +1 more source
Entropy Metrics of Radar Signatures of Sea Surface Scattering for Distinguishing Targets
Remote Sensing, 2021 This paper analyzes sea clutter by a random series without assuming the scattering being independent. We quantitated the complexity of sea clutter by applying multiscale sample entropy.
Rui Jiang +5 more
doaj +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 In high-resolution maritime surveillance radars, sea clutter exhibits highly spatial heterogeneity due to modulation of long waves with wavelengths longer than the width of one range cell.
Xiang Liang, Peng-Lang Shui, Hong-Tao Su
doaj +1 more source
Scattering statistics of rock outcrops: Model-data comparisons and Bayesian inference using mixture distributions [PDF]
, 2019 The probability density function of the acoustic field amplitude scattered by the seafloor was measured in a rocky environment off the coast of Norway using a synthetic aperture sonar system, and is reported here in terms of the probability of false ...
Anthony P. Lyons +16 more
core +2 more sources
Overview and Prospects of Radar Sea Clutter Measurement Experiments
Leida xuebao, 2019 In complex marine environments, sea clutter greatly affects the detection performance of maritime targets. Because the influencing factors of sea clutter are numerous and the mechanism is complex, there are great difficulties in feature description and ...
DING Hao +4 more
doaj +1 more source
Overview and Prospects of Research on Sea Clutter Property Cognition
Leida xuebao, 2016 Sea clutter is one of the main limiting factors influencing the target detection performance of nautical radars. The physical mechanism of sea clutter is complex with an abundance of influencing factors, and the non-Gaussian as well as non-stationarity ...
Ding Hao +4 more
doaj +1 more source
Remote Sensing, 2023 The high-precision prediction of sea clutter reflectivity is helpful in improving the performance of marine radar and sea surface remote sensing capabilities.
Yalan Li +5 more
doaj +1 more source