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2016-05-13
Analysis of Wide Band Scattering from Objects Using the Adaptive Improved Ultra-Wide Band Characteristic Basis Functions
By
Wenyan Nie,

    Professor Wenyan Nie

    College of Mechanical Electrical Engineering

    Huainan Normal University

    China

    Homepage

Zhonggen Wang

    Professor Zhonggen Wang

    College of Electrical and Information Engineering

    Anhui University of Science and Technology

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 60, 45-51, 2016
doi:10.2528/PIERL16033003 | Google Scholar

Abstract
The improved ultra-wide band characteristic basis function method (IUCBFM) is an efficient approach to analyze the wide-band scattering problems because the improved ultra-wide characteristic basis functions (IUCBFs) can be reused for any frequency sample in the range of interest. However, the number of the IUCBFs constructed at the highest frequency point is excessive, and the computational complexity will be increased when applying the same number of IUCBFs at the lower frequency points. To mitigate this problem, an adaptive IUCBFs construction method is presented which can decrease the computational complexity at the lower frequency points. In the proposed method, the given frequency band is adaptively divided into multiple sub-bands in consideration of the number of the IUCBFs. The adaptive IUCBFs are obtained at the highest frequency point in each sub-band, which leads to smaller number of IUCBFs and significant reduction of solver time at lower frequency band. The numerical results have demonstrated the accuracy and efficiency of the proposed method.
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Citation
Wenyan Nie, and Zhonggen Wang, "Analysis of Wide Band Scattering from Objects Using the Adaptive Improved Ultra-Wide Band Characteristic Basis Functions," Progress In Electromagnetics Research Letters, Vol. 60, 45-51, 2016.
doi:10.2528/PIERL16033003
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