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Calculation method for laser radar cross sections of rotationally symmetric targets

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Abstract

The laser radar cross section (LRCS) is a key parameter in the study of target scattering characteristics. In this paper, a practical method for calculating LRCSs of rotationally symmetric targets is presented. Monostatic LRCSs for four kinds of rotationally symmetric targets (cone, rotating ellipsoid, super ellipsoid, and blunt cone) are calculated, and the results verify the feasibility of the method. Compared with the results for the triangular patch method, the correctness of the method is verified, and several advantages of the method are highlighted. For instance, the method does not require geometric modeling and patch discretization. The method uses a generatrix model and double integral, and its calculation is concise and accurate. This work provides a theory analysis for the rapid calculation of LRCS for common basic targets.

© 2017 Optical Society of America

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Supplementary Material (4)

NameDescription
Data File 1: CSV (3 KB)      Monostatic LRCS of the four kinds of rotational symmetries.
Data File 2: CSV (2 KB)      Effect of incident angle on monostatic LRCS.
Data File 3: CSV (2 KB)      Effect of the five parameters considered on monostatic LRCS.
Data File 4: CSV (7 KB)      Comparisons between the triangular patch method and rotationally symmetric target method for LRCS.

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