Dispersion Properties and Applications of the Coifman Scaling Function Based S-MRTD
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Bibliographic record
Abstract
We illustrate some salient dispersion properties of the Coifman scaling function based multiresolution time domain (MRTD) technique (Coifman S-MRTD) and discuss its applicability to modeling problems of interest in microwave and wireless communication engineering. Having been recently introduced, this method presents advantages similar to those of the Daubechies-based MRTD, namely highly linear numerical dispersion and finite support of the basis functions involved. It is additionally shown that inherent accuracy-computational complexity trade-offs related to with its dispersion properties can be utilized to accelerate its execution, without compromising its accuracy. Since the Coifman basis function is non-symmetric, the modeling of perfect electric conducting boundaries cannot be pursued via the image theory approach presented in the past. Therefore, a modified approach, along with its computationally efficient implementation, is proposed and validated. Several case studies and comparisons with the conventional finite-difference time-domain method demonstrate the usefulness of Coifman S-MRTD as a time-domain analysis and design tool
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| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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