Electromagnetic Analysis of Large Scale Periodic Arrays Using a Two-Level CBFs Method Accelerated With FMM-FFT

被引：13

作者：

Hu, Jun ^{[1
]}

Lu, Wenchun ^{[2
]}

Shao, Hanru ^{[1
]}

Nie, Zaiping ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 611731, Peoples R China

[2] Wuhan Maritime Commun Res Inst, Wuhan 430205, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2012年 / 60卷 / 12期

关键词：

Characteristic basis functions (CBFs); fast multipole method-fast Fourier transform (FMM-FFT); planar periodic arrays; ELECTRICALLY LARGE PROBLEMS; VOLUME INTEGRAL-EQUATION; FAST MULTIPOLE ALGORITHM; SCATTERING; SURFACES; OBJECTS; MLFMA;

D O I：

10.1109/TAP.2012.2211555

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

To realize efficient analysis of large scale planar periodic arrays, a two-level characteristic basis functions method accelerated with fast multipole method-fast Fourier transform (FMM-FFT) is developed in this paper. The characteristic basis functions (CBFs) for each element are constructed in a two-level framework, in which the CBFs construction based on plane wave derivation for single element at child level and the CBFs construction based on local interaction between array elements at father level are combined. The number of unknowns is reduced significantly by the two-level CBFs. Further, FMM-FFT is applied to expedite the computation of interaction between elements. Numerical results of large scale planar periodic arrays are given to demonstrate the validity and efficiency of the present method.

引用

页码：5709 / 5716

页数：8

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