Please use this identifier to cite or link to this item: https://doi.org/10.2528/PIER02042602
Title: Fast solution for large scale electromagnetic scattering problems using wavelet transform and its precondition
Authors: Wei, X.C.
Li, E.P. 
Liang, C.H.
Issue Date: 2003
Source: Wei, X.C.,Li, E.P.,Liang, C.H. (2003). Fast solution for large scale electromagnetic scattering problems using wavelet transform and its precondition. Progress in Electromagnetics Research 38 : 253-267. ScholarBank@NUS Repository. https://doi.org/10.2528/PIER02042602
Abstract: Nowadays, electrically large complex electromagnetic problems exist in modern defence and communication industry. Accurate and efficient calculation for such electromagnetic radiation and scattering is a high computational complex task and a challenge to conventional electromagnetic solvers such as Method of Moment (MOM) where high memory and long computational time are required owing to its large size compared to operating wavelength. This paper presents the fast solution method with wavelet transform in the computation of scattering from large scale complex objects. Because of the vanishing moments, the moment matrices arising in these problems are sparsified by wavelet, and consequently, the induced current and equivalent magnetic current can be obtained quickly. Moreover, a precondition method is postulated and implemented in the fast solution of the transformed moment matrix equation with iteration methods.
Source Title: Progress in Electromagnetics Research
URI: http://scholarbank.nus.edu.sg/handle/10635/56019
ISSN: 10704698
DOI: 10.2528/PIER02042602
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