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Sparse Representation of Targets with Mixed Scattering Primitives

机译:混合散射原语的速度稀疏表示

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A combination of two scattering primitives - wedge diffraction primitives and isotropic point scatterers - is used to reconstruct far-field monostatic scattering patterns of several target geometries and addresses shortcomings of traditional approaches that only use a single type of primitive (e.g., approximations in analytic solutions, slow convergence). An l(1)-norm minimization technique is applied to determine a set of weights for the point scatterers. We show that combining these two types of primitives yields better reconstruction performance than when each primitive type is used individually.
机译:两种散射基元 - 楔形衍射原基和各向同性点散射体的组合用于重建几个目标几何形状的远场单体散射模式,并解决了只使用单一类型的原始(例如,分析解决方案中的近似的传统方法的缺点,慢趋同)。应用L(1)-norm最小化技术来确定点散射体的一组权重。我们表明,组合这两种类型的基元产生更好的重建性能,而不是单独使用每个原始类型时。

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