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      Dynamic RCS Simulation of a Missile Target Group Based on the High-frequency Asymptotic Method

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          Abstract

          To simulate dynamic Radar Cross Section (RCS) of missile target group, an efficient RCS prediction approach is proposed based on the high-frequency asymptotic theory. The minimal energy trajectory and coordinate transformation is used to get trajectories of the missile, decoys and roll booster, and establish the dynamic scene for the separate procedure of the target group, and the dynamic RCS including specular reflection, edge diffraction and multi-reflection from the target group are obtained by Physical Optics (PO), Equivalent Edge Currents (EEC) and Shooting-and-Bouncing Ray (SBR) methods. Compared with the dynamic RCS result with the common interpolation method, the proposed method is consistent with the common method when the targets in the scene are far away from each other and each target is not sheltered by others in the incident direction. When the target group is densely distributed and the shelter effect can not be neglected, the interpolation method is extremely difficult to realize, whereas the proposed method is successful.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 April 2014
          : 3
          : 2
          : 150-157
          Affiliations
          [1 ] Information Engineering School, Communication University of China
          [2 ] National Electromagnetic Scattering Laboratory
          Article
          247819b8b8dc4ff6bb6c962030f48522
          10.3724/SP.J.1300.2014.13153

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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