Space-time Characteristics and Experimental Analysis of Broadening First-order Sea Clutter in HF Hybrid Sky-surface Wave Radar [PDF]
, 2014 In high frequency (HF) hybrid sky-surface wave radar, the first-order sea clutter broadening is very complex and serious under the influence of ionosphere and bistatic angle, which affects the detection of ship target.
Chu, T.Q. +4 more
core +1 more source
Sea Clutter Suppression Method Based on Ocean Dynamics Using the WRF Model
Journal of Marine Science and EngineeringSea clutter introduces a significant amount of non-target reflections in the echo signals received by radar, complicating target detection and identification.
Guigeng Li +4 more
doaj +1 more source
Adaptive detection of distributed targets in compound-Gaussian noise without secondary data: A Bayesian approach [PDF]
, 2011 In this paper, we deal with the problem of adaptive detection of distributed targets embedded in colored noise modeled in terms of a compound-Gaussian process and without assuming that a set of secondary data is available.The covariance matrices of the ...
Bandiera, Francesco +2 more
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Stationary Time Statistical Property of Ionospheric Clutter in High-Frequency Surface-Wave Radar
Journal of Electrical and Computer Engineering, 2019 In HFSWR (high-frequency surface-wave radar) system, the detection performance is impacted seriously by ionospheric clutter. Frequency selection is an effective method to avoid the effect of ionospheric clutter.
Shang Shang +3 more
doaj +1 more source
Ground clutter simulation for airborne forward-looking multi-channel LFMCW radar
The Journal of Engineering, 2019 Ground clutter is a crucial factor that affects the detection performance of the airborne forward-looking multi-channel linear frequency modulated continuous wave (LFMCW) radar, so the distribution characteristics of studying the ground clutter plays an ...
Hai Li, Jialing Duan, Di Song
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A Novel Reconstruction Method of K-Distributed Sea Clutter with Spatial–Temporal Correlation
Sensors, 2020 The reconstruction of sea clutter plays an important role in target detection and recognition in a maritime environment. Reproducing the temporal and spatial correlations of real data simultaneously is always a problem in the reconstruction of sea ...
Mingyue Ding +4 more
doaj +1 more source
The Clutter Simulation of a Known Terrain by the 3D Parabolic Equation and RCS Computation
Sensors, 2022 Ground clutter data are usually generated using a statistical model, but they cannot effectively reflect the spatial distribution characteristics of ground objects.
Zhiyi Wang +3 more
doaj +1 more source
Continuous Wavelet Transform and Hidden Markov Model Based Target Detection [PDF]
, 2014 Standard tracking filters perform target detection process by comparing the sensor output signal with a predefined threshold. However, selecting the detection threshold is of great importance and a wrongly selected threshold causes two major problems ...
Efe, M., Tuğaç, S.
core +1 more source
, 2016 Finding image correspondences remains a challenging problem in the presence of intra-class variations and large changes in scene layout.~Semantic flow methods are designed to handle images depicting different instances of the same object or scene ...
Cho, Minsu +3 more
core +5 more sources
An Ionospheric Es Layer Clutter Model and Suppression in HF Surfacewave Radar
International Journal of Antennas and Propagation, 2013 This paper based on a fast implemented multiphase screen method using DFT puts forward an ionospheric Es layer clutter model and uses the newly developed dimensionality reduction space-time adaptive processing- (STAP-) JDL algorithm to suppress Es layer ...
Yajun Li +4 more
doaj +1 more source