Model based parameter estimation accelerated by lifting wavelet-like transform

被引：0
|
作者：
Chen, Ming-Sheng [1 ]
Wu, Qiong [2 ]
Sha, Wei [3 ]
Huang, Zhi-Xiang [2 ]
Wu, Xian-Liang [1 ,2 ]
机构：
[1] Dept. of Physics and Electronic Engineering, Hefei Normal Univ., Hefei 230061, China
[2] School of Electronic Science and Technology, Anhui Univ., Hefei 230039, China
[3] Dept. of Electrical and Electronic Engineering, The Univ. of Hong Kong, Hong Kong, Hong Kong
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2010年 / 32卷 / 09期
关键词：
Wavelet transforms - Parameter estimation - Electric fields - Integral equations - Inverse problems - Physical optics - Linear systems;
D O I：
10.3969/j.issn.1001-506X.2010.09.16
中图分类号：
学科分类号：
摘要：
The lifting wavelet-like transform (LWLT) is applied to the method of moments (MOM) for fast solution of electric field integral equations (EFIE), and a sparse linear system is obtained, which is solved by the model based parameter estimation (MBPE) to complete the solution over a wide band in wavelet-domain. Finally, the wide band scattering analysis is finished with the help of inverse wavelet transform. The proposed algorithm is validated by considering numerical examples of different shaped three-dimensional objects. Compared with the traditional MBPE method, the presented algorithm can save much CPU time with low memory consumed.
引用
收藏
页码：1859 / 1862
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