NDLI: A Sea Clutter Modeling Approach Based on Multifractal Spectrum

Content Provider	IEEE Xplore Digital Library
Author	Cao Ning Bao XingXing Lu Hao Wang Fei Hu JuRong
Copyright Year	2015
Description	Author affiliation: Coll. of Comput. & Inf., Grad. Sch., Hohai Univ., Nanjing, China (Cao Ning; Bao XingXing; Lu Hao; Wang Fei; Hu JuRong)
Abstract	In the field of radar target detection, modeling of sea clutter is an effective means to restrain and eliminate background clutter. Calculated according to a single fractal theory in conventional multi-fractal modeling of sea clutter, the extracted fractal parameters have defects of instability and low amount of information. In this paper, multi fractal parameters of the observed sea clutter are extracted to be Multi-fractal modeling parameters by using multi-fractal de-trended fluctuation analysis (MF-DFA) method, and a sea clutter modeling method based on multi-factual spectrum is put forward. This method uses the "single fractal subsets with the same fractal dimension" weighted combination of probability distributions to simulate the observed sea clutter. The fractal dimension of the single fractal subsets is determined by the generalized Hurst index and corresponding weight coefficients are codetermined by Multi-fractal spectrum value and the number of small areas that are obtained by dividing fractals. The simulation process is given and the results show that the simulated sea-clutter data is identical to that of the observed one regarding Multi-fractal characteristics. What's more, their trailing data as per statistic characteristics of is also very consistent. Therefore, the effectiveness and practicability of the sea clutter modeling method presented in this paper is verified.
Starting Page	473
Ending Page	479
File Size	215487
Page Count	7
File Format	PDF
e-ISBN	9781467393232
DOI	10.1109/ISKE.2015.54
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Brownian motion multi-fractal Analytical models fractal subsets weighted combination Radar modeling of sea clutter Fractals Data models Clutter Time-domain analysis
Content Type	Text
Resource Type	Article

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