2013
DOI: 10.1109/tap.2013.2242825
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Efficient FDTD Implementations of the Higher-Order PML Using DSP Techniques for Arbitrary Media

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Cited by 33 publications
(20 citation statements)
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“…Rearranging (9), we obtain (11) Since the operator in the -domain corresponds to a delay of one time-step in the DSP algorithm, both (10) and (11) can be transferred into the discrete time domain as…”
Section: Formulationmentioning
confidence: 99%
See 1 more Smart Citation
“…Rearranging (9), we obtain (11) Since the operator in the -domain corresponds to a delay of one time-step in the DSP algorithm, both (10) and (11) can be transferred into the discrete time domain as…”
Section: Formulationmentioning
confidence: 99%
“…The convolutional PML (CPML) [6], based on the SC-PML and convolution theorem, is a very efficient realization of the complex frequency-shifted PML (CFS-PML) [7], [8]. Recently, the digital signal processing (DSP) technique, handling the PML stretched coordinate variables with an infinite impulse response (IIR) digital filter, has been proposed in [9], and it can avoid the direct computation of the convolution terms in the conventional FDTD algorithm [10], [11].…”
Section: Introductionmentioning
confidence: 99%
“…where the coefficients a m and b m are given by (11) can be written in the discrete time domain directly as…”
Section: Formulationsmentioning
confidence: 99%
“…Nevertheless, it must be noted that there is a sharp increase in the reflection coefficient around the dc and 60GHz frequencies, but this is not important as the excitation pulse does not include significant frequency components in these frequency ranges. Finally, the incorporation of the proposed formulations into the higher-order DSP-PML formulations of [10], [11] is under investigation.…”
Section: Numerical Studymentioning
confidence: 99%
“…Recently, following Correia of the multi-pole PMLs based on the unsplit-field SC-PML formulations [13]- [16] have been proposed for truncating the FDTD domains. As we all know, however, the higher order PMLs, such as the second-order PMLs, require more CPU time and memory than the first-pole PMLs, such as the CFS-PMLs, although the higher pole PMLs can obtain better absorption performance.…”
mentioning
confidence: 99%