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PROPAGATION CHARACTERS OF PLANE WAVE IN THE PERFECTLY MATCHED LAYER |
Ma Guozhong①; Xu Jiadong①; H. Henke② |
①Department of Electronic Engineering Northwestern Polytechnical University Xi'an 710072;②University of Berlin Germany Berlin D-10587 |
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Abstract The Perfectly Matched Layer(PML)is very effective in absorbing propagating wave, so that it has been successfully applied in FDTD research. Katz(1994) derived 12 differential equations in three-dimensional PML, but there is no conclusion for the propagation characters of plane wave in PML such as wave expression ,wave number and wave impedance. These characters are investigated in this paper.
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Received: 30 January 1997
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