Detection of small target in sea clutter via multiscale directional Lyapunov exponents
Sign Up to like & getrecommendations! Published in 2019 at "Sensor Review"
DOI: 10.1108/sr-03-2019-0061
Abstract: This study aims to provide a new method of multiscale directional Lyapunov exponents (MSDLE) calculated based on the state space reconstruction for the nonstationary time series, which can be applied to detect the small target… read more here.
Keywords: small target; clutter; sea clutter; multiscale directional ... See more keywords
Blind Sea Clutter Suppression for Spaceborne GNSS-R Target Detection
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2019.2956183
Abstract: It has been demonstrated that delay-Doppler (DD) maps (DDMs) retrieved from spaceborne Global Navigation Satellite Systems Reflectometry missions contain sea clutter and also potential sea targets. Examples of sea targets include sea ice, oil rigs,… read more here.
Keywords: suppression; sea targets; clutter; target ... See more keywords
Maximum Likelihood Detector in Gamma-Distributed Sea Clutter
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2018.2859785
Abstract: Constant false alarm rate (CFAR) is the desired property for automatic target detection in unknown and nonstationary background. In this letter, an analysis of the experimental data shows that gamma (GM) distribution is a promising… read more here.
Keywords: clutter; sea clutter; maximum likelihood; method ... See more keywords
Sea Clutter Suppression for Shipborne HF Radar Using Cross-Loop/Monopole Array
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2018.2884507
Abstract: The shipborne high-frequency ground wave radar (HFGWR) provides a better condition for sea surface target detection than the shore-based one because of its maneuverability and flexibility. However, the first-order Bragg spectra of the shipborne HFGWR… read more here.
Keywords: clutter; radar; using cross; cross loop ... See more keywords
Sea Clutter Suppression for Radar PPI Images Based on SCS-GAN
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2020.3012523
Abstract: The problem of strong sea clutter, e.g., sea spikes, may bring in low signal-to-clutter ratio (SCR) and cause great interference to radar marine target detection. However, the sea clutter suppression ability of current algorithms is… read more here.
Keywords: clutter suppression; clutter; sea clutter; scs gan ... See more keywords
Polarimetric Target Detection in Compound Gaussian Sea Clutter With Inverse Gaussian Texture
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3140057
Abstract: This letter addresses the polarimetric target detection problem in compound Gaussian sea clutter. In view of the heavy-tailed characteristic of sea clutter, we model the sea clutter as compound Gaussian distribution with inverse Gaussian texture… read more here.
Keywords: inverse gaussian; clutter; compound gaussian; sea clutter ... See more keywords
Bayesian Detection for Radar Targets in Compound-Gaussian Sea Clutter
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3140727
Abstract: We consider the detection problem of maritime radar targets in the training-sample-starved and non-Gaussian sea clutter environment. The performance of conventional detectors for radar targets is seriously degraded due to both the starvation of training… read more here.
Keywords: clutter; radar targets; detection; sea clutter ... See more keywords
Floating Small Target Detection in Sea Clutter Using Mean Spectral Radius
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3165163
Abstract: Detection of floating small targets in sea clutter is a challenging problem for maritime surveillance radar. For sea-surface floating targets without regular movement, it is hard for traditional model-based methods to achieve satisfying performance. Considering… read more here.
Keywords: spectral radius; sea clutter; clutter; detection ... See more keywords
GLRT-Based Polarimetric Detection in Compound-Gaussian Sea Clutter With Inverse-Gaussian Texture
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3216730
Abstract: This letter presents the derivation of the generalized likelihood ratio test (GLRT)-based polarimetric detector in the non-Gaussian clutter. We model the non-Gaussian sea clutter as compound-Gaussian distribution with inverse-Gaussian texture (IG-CG), which has better goodness-of-fit… read more here.
Keywords: based polarimetric; texture; clutter; detection ... See more keywords
Non-coherent Radar Detection Performance in Medium Grazing Angle X-Band Sea Clutter
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2017.2651718
Abstract: This paper describes the non-coherent target detection performance of an airborne surface surveillance radar in the presence of medium grazing angle sea clutter. In the absence of frequency agility, the temporal correlation of the sea… read more here.
Keywords: detection; sea clutter; detection performance;
Computationally Efficient Estimation of Compound K-Distribution Sea Clutter in Thermal Noise and Its Application to Sea Echo Reflectivity Observations
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2019.2949395
Abstract: We consider the parameter estimation of the K-plus-noise distribution model of sea clutter intensity single-pulse observations with unknown thermal noise power. We propose two methods that yield comparable estimation accuracy to existing methods while improving… read more here.
Keywords: sea echo; echo reflectivity; thermal noise; estimation ... See more keywords