Application of signal-processing techniques to dipole excitations in the finite-difference time-domain method

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Application of signal-processing techniques to dipole excitations in the finite-difference time-domain method.pdf (2.38 MB)

Date

2002

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Abstract

The applications of discrete-time signal-processing techniques, such as windowing and filtering for the purpose of implementing accurate excitation schemes in the finite-difference time-domain (FDTD) method are demonstrated. The effects of smoothing windows of various lengths and digital lowpass filters of various bandwidths and characteristics are investigated on finite-source excitations of the FDTD computational domain. Both single-frequency sinusoidal signals and multifrequency arbitrary signals are considered.

Source Title

Journal of Electromagnetic Waves and Applications

Publisher

Taylor & Francis

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Keywords

Computer simulation, Difference equations, Electromagnetic wave scattering, Finite difference method, Low pass filters, Signal processing, Table lookup, Time domain analysis, Dipole excitations, Finite-difference time-domain method, Multifrequency arbitrary signals, Single-frequency sinusoidal signals, Antenna radiation

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http://hdl.handle.net/11693/24670

Published Version (Please cite this version)

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Scholarly Publications - Electrical and Electronics Engineering

Language

English

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Article