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PIER PIER B PIER C PIER M PIER Letters
2011-06-09
An Improved Cubic Polynomial Method for Interpolating/Extrapolating MoM Matrices Over a Frequency Band
By
Wei-Dong Li,

    Dr. Wei-Dong Li

    Department of Radio Engineering

    Southeast University

    China

    Homepage

Jun-Xia Miao,

    Dr. Jun-Xia Miao

    School of Applied Mathematics

    Nanjing University of Finance and Economics

    China

    Homepage

Jun Hu,

    Dr. Jun Hu

    School of Information Science and Engineering

    Southeast University

    China

    Homepage

Zhe Song,

    Dr. Zhe Song

    School of Information Science and Engineering

    Southeast University

    China

    Homepage

Hou-Xing Zhou

    Professor Hou-Xing Zhou

    Southeast University

    China

    Homepage

Progress In Electromagnetics Research, Vol. 117, 267-281, 2011
doi:10.2528/PIER11051005
Abstract
The inter/extrapolation accuracy of the cubic polynomial method has been improved by optimizing three frequency samples for frequency-sweeping in the method of moments (MoM). In the method, the frequency samples are optimized by minimizing the global maximum of the polynomial component at the stationary points and two terminal points of the frequency band. The optimal frequency samples can be expressed as analytical forms of the two terminal points. Numerical examples are presented to validate the proposed method through comparison with the Pad\'{e} approximation.
Citation
Wei-Dong Li, Jun-Xia Miao, Jun Hu, Zhe Song, and Hou-Xing Zhou, "An Improved Cubic Polynomial Method for Interpolating/Extrapolating MoM Matrices Over a Frequency Band," Progress In Electromagnetics Research, Vol. 117, 267-281, 2011.
doi:10.2528/PIER11051005
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