Propagation characteristics of a heaviside absorbing layer for TLM |
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Authors: | Gosling IG Pingyu Qu |
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Affiliation: | Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ.; |
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Abstract: | The perfectly matched layer for use with the finite-difference time-domain method is adapted to our transmission-line matrix simulation as what we call a heaviside absorbing layer (HAL). It is shown that the reflection coefficient for the wave incident on a HAL is less than that of the wave incident on a matched-load termination at all angles of incidence. Furthermore, the dispersion relation of a transmission-line matrix mesh of a symmetrical condensed node with both electric and magnetic loss stubs is derived. It provides guidance on how to choose the losses of HAL and other simulation parameters properly |
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