Small-target detection in sea clutter
WebThe method according to the invention detects small target on the sea with the difference. Furthermore the method does not require presupposing a sea clutter statistical model, and is not easily interfered by the sea peak. The application result of measured data also indicates that the method can effectively detect the small target on the sea. WebJun 30, 2024 · Small target detection in high-resolution sea clutter is one of the important problems in radar target detection. We propose a new detector which adopts the visibility …
Small-target detection in sea clutter
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WebJul 19, 2004 · Small-target detection in sea clutter. Abstract: Sea clutter in marine surveillance radar makes the task of detecting small targets a very challenging problem. In this paper, a set of three signal processing techniques designed to suppress unwanted … WebOct 10, 2024 · Sea-surface small target detection using entropy features with dual-domain clutter suppression 1. Introduction. Generally, it is a challenging and meaningful task for …
WebFeb 11, 2024 · The first maritime surveillance radars in World War II quickly discovered that returns from the sea, soon to be known as sea clutter, … WebApr 14, 2024 · By virtue of the merits of wide swath, persistent observation, and rapid operational response, geostationary remote sensing satellites (e.g., GF-4) show …
WebJan 1, 2016 · The radar returns from small targets, like submarine periscope or small boats, will be obscured by the sea clutter which makes the straightforward detection of targets, … WebJul 1, 2024 · Introduction. High range resolution, a rapid scanning antenna and scan-to-scan integration technologies are generally applied for detecting small slowly moving sea-surface targets [], e.g. the periscope.However, for the wideband radar, the sea-clutter amplitude statistics are very long tailed and highly correlated [].This leads to high false alarm rate for …
WebSep 1, 2024 · According to Monte Carlo simulation results, the proposed graph-based signal (target) detection method leads to the outstanding performance, compared to other existing techniques, especially when the signal-to-noise ratio is rather small (0–6 dB). In this paper, a novel robust graph-based adequate and concise information representation paradigm is …
WebFeb 24, 2024 · It is a big challenge to detect and track small infrared marine targets in non-stationary and time-varying sea clutter because the signal is too strong to be estimated. Based on the phenomenon that sea clutter spreads not only in the temporal domain but also in the spatial domain, this paper proposes an infrared small marine target detection … greenbay homes for sale east sideWebNov 29, 2024 · The jointed-feature detector for the floating small target in sea clutter is addressed in the paper. For the traditional energy-based detectors, it is difficult to detect the low... flower shop in davis caWebJul 22, 2014 · Sea-glint makes the detection of small targets in the sea region a challenging problem, as shown in Figure 15. The dotted circle indicates the true target, and the arrow indicates the sun-glint. ... Reducing the number of false detections caused by clutter in small infrared target detection is quite challenging due to the point-like target ... green bay homes for sale searchWebSep 18, 2024 · 2.1 Detection problem of floating small target in sea clutter Suppose that the radar transmits a coherent pulse train of length N at a beam position. When the cell under test (CUT) includes the returns with target, the CUT consists of target returns and sea clutter and noise; otherwise, the CUT consists of sea clutter and noise. green bay homes for sale 54311WebAug 6, 2002 · A new method based on chaos and neural network theory for small target detection in sea clutter is presented. The authors present the signal model. They then … green bay homes for sale zillowWebResearch about infrared dim and small target detection (DSTD) is concentrated on single-frame algorithms, which are limited by the contrast between target and background and face with the problems of low detection probability, high false alarm rate and lack of robustness in low signal-to-clutter ratio (SCR) and strong noise environment. Studying use multi … green bay honda dealershipWebJun 27, 2024 · Small target detection in high-resolution sea clutter is one of the important problems in radar target detection. We propose a new detector that adopts the visibility graph (VG) algorithm and the graph convolution neural network (GCN). This detector extracts the graph feature of radar echo networks for target detection after converting the … flower shop in defiance ohio