Abstract
Based on message passing interface (MPI) of the PC clusters, the parallel method of moment (MOM) is first investigated for the electromagnetic (EM) scattering from one-dimensional (1D) large-scale PEC Gaussian rough surface at low grazing incident angle. The conjugate gradient method (CGM) for solving MOM matrix equation is parallelised according to the property of MPI in this work. The parallel computational efficiency and effectivity are then validated by several numerical experiments, in which it is proved that the proposed method supplies a novel technique for solving 1D large-scale rough surface EM-scattering problem. Finally the influences of root mean square (rms) height, the correlation length and the polarisation on the bistatic scattering coefficient (BSC) and backscattering coefficients for low grazing incidence are also discussed.
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