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Fractal detector design and application in maritime target detection
被引量：
2
1
作者
xinglin shen
Zhiyong Song
+1 位作者
Yongfeng Zhu
Qiang Fu
《Journal of Systems Engineering and Electronics》
SCIE
EI
CSCD
2017年第1期27-35,共9页
The fractal properties of sea clutter are proposed and applied to the maritime target detection. Calculation of the measured data shows that, the Hurst exponent of the sea clutter with targets and the sea clutter with...
The fractal properties of sea clutter are proposed and applied to the maritime target detection. Calculation of the measured data shows that, the Hurst exponent of the sea clutter with targets and the sea clutter without targets are different, which enables us to detect low-observable targets within the sea clutter. This paper explains the reason why the Hurst exponent can distinguish the presence or absence of targets in theory and proposes a fractal detector based on the Hurst exponent. Comparing the fractal detector proposed in this paper to the energy detector by the detection results of 140 frames data of the real sea clutter, it is demonstrated that the fractal detection method has a better detection performance. In order to get systemic conclusions, the new sea clutter data with different signal-to-clutter ratios (SCRs) are constructed in the way that add the sea clutter data with targets to the pure sea clutter data. The results show that the fractal detection method has a better performance than the statistical method on detection of maritime targets, especially maritime weak targets with low SCR. © 1990-2011 Beijing Institute of Aerospace Information.
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关键词
Fractals
Radar
clutter
Target
tracking
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题名
Fractal detector design and application in maritime target detection
被引量：
2
1
作者
xinglin shen
Zhiyong Song
Yongfeng Zhu
Qiang Fu
机构
ATR Key Laboratory
出处
《Journal of Systems Engineering and Electronics》
SCIE
EI
CSCD
2017年第1期27-35,共9页
基金
supported by the National Natural Science Foundation of China(61401475)
文摘
The fractal properties of sea clutter are proposed and applied to the maritime target detection. Calculation of the measured data shows that, the Hurst exponent of the sea clutter with targets and the sea clutter without targets are different, which enables us to detect low-observable targets within the sea clutter. This paper explains the reason why the Hurst exponent can distinguish the presence or absence of targets in theory and proposes a fractal detector based on the Hurst exponent. Comparing the fractal detector proposed in this paper to the energy detector by the detection results of 140 frames data of the real sea clutter, it is demonstrated that the fractal detection method has a better detection performance. In order to get systemic conclusions, the new sea clutter data with different signal-to-clutter ratios (SCRs) are constructed in the way that add the sea clutter data with targets to the pure sea clutter data. The results show that the fractal detection method has a better performance than the statistical method on detection of maritime targets, especially maritime weak targets with low SCR. © 1990-2011 Beijing Institute of Aerospace Information.
关键词
Fractals
Radar
clutter
Target
tracking
Keywords
Fractals
Radar clutter
Target tracking
分类号
TN957.51 [电子电信—信号与信息处理]
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Fractal detector design and application in maritime target detection
xinglin shen
Zhiyong Song
Yongfeng Zhu
Qiang Fu
《Journal of Systems Engineering and Electronics》
SCIE
EI
CSCD
2017
2
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