The 2-D digital waveguide mesh

The 2-D digital waveguide mesh
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二维数字波导网格

DOI:
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发表时间:
1993
期刊:
Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
影响因子:
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通讯作者:
Julius O. Smith
Julius O. Smith
中科院分区:
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文献类型:
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作者:
S. A. V. Duyne;Julius O. Smith

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数字波导的多维扩展提供了一种非常有效的方法来模拟膜中的波传播。二维数字波导网格由双向延迟单元和散射结构成。我们表明,它符合标准的有限差分格式的无损情况下。波在网格中的传播与波在理想膜中的传播进行了比较,导出了耗散和色散误差。&lt;<ETX>&gt;
An extremely efficient method for modeling wave propagation in a membrane is provided by the multidimensional extension of the digital waveguide. The 2-D digital waveguide mesh is constructed out of bi-directional delay units and scattering junctions. We show that it coincides with the standard finite difference scheme in the lossless case. Wave propagation in the mesh is compared with wave propagation in an ideal membrane; the dissipation and dispersion error is derived.<<ETX>>