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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wei Bing Lu Tie Jun Cui Xiao Xing Yin Zhi Guo Qian Wei Hong |
| Copyright Year | 1963 |
| Abstract | Two efficient algorithms are proposed to analyze a large-scale periodic structure with finite size using the subentire-domain (SED) basis functions and the conjugate-gradient fast Fourier transform (CG-FFT). The SED basis function is defined on the support of each single element of the periodic structure. In a simplified SED (SSED)-CG-FFT algorithm, all elements of the periodic structure share the same SED basis function. As a consequence, SSED-CG-FFT can be performed in the whole periodic structure. However, SSED-CG-FFT becomes less accurate if the gap between two unit elements is very small, where the single SED basis function cannot capture the strong mutual coupling. In order to consider the mutual coupling, an accurate SED (ASED)-CG-FFT algorithm is proposed. In this algorithm, nine types of SED basis functions are employed to distinguish interior cells, edge cells, and corner cells. As a consequence, ASED-CG-FFT can be performed in all interior cells of the periodic structure. Comparing with the conventional method of moments with subdomain basis functions, the proposed algorithms are more efficient in both the computational complexity and the memory requirement. Numerical results are given to test the validity and efficiency of the proposed methods. |
| Sponsorship | IEEE Antennas and Propagation Society |
| Starting Page | 1154 |
| Ending Page | 1162 |
| Page Count | 9 |
| File Size | 728614 |
| File Format | |
| ISSN | 0018926X |
| Volume Number | 53 |
| Issue Number | 3 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Large-scale systems Periodic structures Fast Fourier transforms Moment methods Computational complexity Metamaterials Frequency selective surfaces Algorithm design and analysis Mutual coupling Photonic band gap subentire-domain (SED) basis function Accurate subentire-domain conjugate-gradient fast Fourier transform (ASED-CG-FFT) left-handed materials method of moments (MoM) periodic structures photonic band-gap (PBG) simplified subentire-domain conjugate-gradient fast Fourier transform (SSED-CG-FFT) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electrical and Electronic Engineering |
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