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Fast calculation of bistatic RCS for conducting objects using the adaptive cross approximation algorithm

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3 Author(s)
Lei Chen ; Key Lab. of Intell. Comput. & Signal Process., Anhui Univ., Hefei, China ; Yufa Sun ; Shuaishuai Yang

Adaptive cross approximation (ACA) algorithm as a kind of common matrix compression method is often used to analyze the electromagnetic radiation and scattering problems. In the region of far field, the impedance matrix is compressed by ACA method, and the extracted impedance matrix is accelerated filling by equivalent dipole-moment method (EDM). In the area of near field, the method of moments or the equivalent dipole-moment method is applied for filling the impedance matrix. The iterative near field preconditioning technique is used to solve matrix equation, so that fast calculation of radar cross section (RCS) can be achieved. Numerical results show that the computational efficiency is improved significantly via applying the presented method in this paper without sacrificing much accuracy.

Published in:

Antennas, Propagation & EM Theory (ISAPE), 2012 10th International Symposium on

Date of Conference:

22-26 Oct. 2012