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| Citation: | Wang Jia-ning, Xu Xiao-jian. Simulation and Analysis for Wide-band Scattering Characteristics of 2-D Linear and Nonlinear Sea Surfaces[J]. Journal of Radars, 2015, 4(3): 343-350. doi: 10.12000/JR15053
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Simulation and Analysis for Wide-band Scattering Characteristics of 2-D Linear and Nonlinear Sea Surfaces
DOI: 10.12000/JR15053 CSTR: 32380.14.JR15053
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Abstract
In this paper, the wideband backscattering fields of two-Dimensional (2-D) linear and nonlinear sea surfaces are numerically simulated employing the Weighted Curvature Approximation (WCA) method. A large number of Monte Carlo trials are performed to investigate the statistical characteristics of the rang-resolved sea clutter, especially for the sea spike phenomenon. Simulation results demonstrate that the long tail of the sea clutter intensity Probability Density Function (PDF) tends to be more evident with finer radar resolution, higher wind speed, and when the radar sight changes from the crosswind direction to the upwind direction. Meanwhile, it is found that the nonlinear sea surfaces are more likely to have sea spikes. In addition, the Pareto distribution is demonstrated to describe the statistics of the sea clutter intensities better than the Kdistribution and Weibull distribution at low grazing angles. -
References
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1. 姜文，梁伟，吴一戎. 机载顺轨干涉SAR时变交轨基线校正算法. 国外电子测量技术. 2020(06): 49-54 . 
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Gu Fufei, Zhang Qun, Yang Qiu, Huo Wenjun, Wang Min. Compressed Sensing Imaging Algorithm for High-squint SAR Based on NCS Operator[J]. Journal of Radars, 2016, 5(1): 16-24. doi: 10.12000/JR15035
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