二维数字波导网格

Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoustics Pub Date : 1993-10-17 DOI:10.1109/ASPAA.1993.379968

S. A. V. Duyne, Julius O. Smith

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引用次数: 101

摘要

通过数字波导的多维扩展，提供了一种非常有效的模拟波在膜中的传播的方法。二维数字波导网格由双向延迟单元和散射结构成。我们证明了在无损情况下它与标准有限差分格式是一致的。将波在网格中的传播与理想膜中的传播进行了比较;导出了耗散和色散误差。

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The 2-D digital waveguide mesh

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.<>

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Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoustics

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