Resonator analysis in TLM using the matrix pencil method

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Resonator analysis in TLM using the matrix pencil method

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A new spectral estimation technique, based on the matrix pencil method, is proposed for use in TLM. This new approach enables the complete study of electromagnetic resonators, including the determination of their quality factors Q, using the TLM method. As an example, a rectangular cavity resonator was modelled and the corresponding TLM results are compared to the analytical solution.

Inspec keywords: Q-factor; cavity resonators; resonators; spectral analysis; transmission line matrix methods; time-domain analysis

Other keywords: TLM method; spectral estimation technique; matrix pencil method; rectangular cavity resonator; resonator analysis; electromagnetic resonators; EM resonators; quality factors

Subjects: Waveguide and cavity theory; Waveguide and microwave transmission line components; Linear algebra (numerical analysis)

References

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      • B. Porat , B. Friedlander . On the accuracy of the Kumaresan-Tufts method for estimating complexdamped exponentials. IEEE Trans. , 2 , 231 - 235
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      • J.D. Wills . Spectral estimation for the transmission line matrix method. IEEE Trans. , 4 , 448 - 451
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      • Y. Hua , T.K. Sarkar . Matrix pencil method for estimating parameters of exponentially damped/undampedsinusoids in noise. IEEE Trans. , 5 , 814 - 824
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      • R.E. Collin . (1966) Foundations for microwave engineering.
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