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Fractal approach for sea clutter generation

机译:分形方法用于海杂波生成

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Clutter is obtained by applying physical optics to a sea surface described by a fractal model. This approach gives two interesting advantages. It is possible to control sea, radar and geometry parameters so reproducing a realistic scenario in which the clutter signal is generated. The main drawback of the clutter stochastic models which generate statistical cluttcr-like random sequences without directly accounting for the operating conditions in which this clutter is expected, is overcome. Secondly the fractal nature of the sea clutter is intrinsically taken into account through the fractal characterisation of the sea surface. This aspect leads to a rigorous theoretical study on the fractal nature of the sea clutter and is also useful in new remote sensing research concerning fractal analysis of clutter for classification and detection purposes. The clutter generator was finally validated by statistical analysis of the output data. The results show a statistical behaviour comparable with that obtained from experimental data in the literature.
机译:通过将物理光学应用于分形模型描述的海面,可获得杂波。这种方法具有两个有趣的优点。可以控制海洋,雷达和几何参数,从而重现产生杂波信号的实际情况。克服了杂波随机模型的主要缺点,该模型在不直接考虑预期杂波的工作条件的情况下生成类似统计杂波的随机序列。其次,通过对海面的分形特征本质上考虑了海杂波的分形特性。这方面导致对海杂波的分形性质进行了严格的理论研究,并且在有关杂波的分形分析以进行分类和检测的新遥感研究中很有用。最后,通过对输出数据进行统计分析来验证杂波发生器。结果表明,统计行为与文献中的实验数据相当。

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