On Preconditioners of the FFT-JVIE for Inhomogeneous Dielectric Objects

被引：1
|
作者：
Gu, Si-Zhuo [1 ]
Zhang, Liang [1 ]
Yu, Da-Miao [1 ]
Xu, Kui-Wen [2 ]
Si, Li-Ming [3 ]
Pan, Xiao-Min [1 ]
机构：
[1] Beijing Inst Technol, Sch Cyberspace Sci & Technol, Beijing 100081, Peoples R China
[2] Hangzhou Dianzi Univ, Minist Educ, Ctr Smart Microsensors & Microsyst, Hangzhou 310018, Peoples R China
[3] Beijing Inst Technol, Sch Integrated Circuit & Elect, Beijing 100081, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2023年 / 71卷 / 06期
关键词：
Electromagnetic scattering; fast Fourier transform (FFT); inhomogeneous; JVIE; preconditioner; APPROXIMATE INVERSE PRECONDITIONER; DISCRETE-DIPOLE APPROXIMATION; FOURIER-TRANSFORM METHOD; ELECTROMAGNETIC SCATTERING; ALGORITHM; MODELS; SCHEME; GMRES;
D O I：
10.1109/TAP.2023.3264440
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：
An improved block-diagonal preconditioner (IBDP) is developed for the fast Fourier transform (FFT) accelerated the volume integral equation formulation based on equivalent volumetric currents (FFT-JVIE). A comparative study on the realistic models is carried out among the IBDP, block-diagonal preconditioner (BDP), the previously developed analytical preconditioner (AnP), and the circulant-based preconditioners (CBPs).
引用
收藏
页码：5493 / 5497
页数：5
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