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Research on Experimental Measurement of Regular Objects Bistatic LRCS and Scaling Relations

机译:规则物体双基地LRCS的实验测量与比例关系研究

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In this paper, the bistatic LRCS of Teflon spheres of different size is measured by laser scattering automatic measurement system in laboratory and bistatic LRCS measurement system outdoor respectively, and the bistatic LRCS of standard Lambert spheres of the same size is calculated. The experimental results show that Teflon sphere has obvious coherent scattering when the bistatic angle is smaller than 10°. The experimental results coincide with the theoretical calculation when the bistatic angle is bigger than 10°. Scaling relations of the bistatic LRCS is also studied in experiment, the relative error between the experimental results of scaling relations and the theoretical calculation results of scaling relations of the same size Lambert sphere is smaller than 10 percent, which satisfies the requirements of Engineering. It is demonstrated that outdoor measurement method has valuable usage in engineering practice to measure the bistatic LRCS of large object.
机译:本文分别通过实验室激光散射自动测量系统和室外双基地LRCS测量系统分别测量了不同尺寸的特氟龙球的双基地LRCS,并计算了相同尺寸的标准朗伯球的双基地LRCS。实验结果表明,当双基地角小于10°时,聚四氟乙烯球具有明显的相干散射。当双基地角大于10°时,实验结果与理论计算吻合。在实验中还研究了双基地LRCS的比例关系,比例关系的实验结果与相同尺寸的Lambert球的比例关系的理论计算结果之间的相对误差小于10%,满足工程要求。实践证明,室外测量方法在工程实践中对大型物体的双基地LRCS的测量具有重要的应用价值。

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