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The digital waveguide mesh models multidimensional wave propagation in discrete space and time. The finite difference wave equation used in the mesh is expressed in the space-time domain, which is not straightforward to reveal the analytical expression for the impulse response between a source and a receiver. This letter describes a procedure to derive an analytical impulse response expression between two nodes in a 2-D rectangular digital waveguide mesh based on the wave equation. The analytical expression can provide helpful insights and help verify simulation results for the digital waveguide mesh.
Published in:
Signal Processing Letters, IEEE
(Volume:15
)
Date of Publication: 2008
- Page(s):
- 221 - 224
- ISSN :
- 1070-9908
- INSPEC Accession Number:
- 9920163
- Digital Object Identifier :
- 10.1109/LSP.2007.916043
- Date of Current Version :
- 31 January 2008
- Issue Date :
- 2008
- Sponsored by :
- IEEE Signal Processing Society
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