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Wave Propagation with Dispersion and Damping

【摘要】We discuss pulse propagation in a dispersive medium with damping. We derive an explicit expression for the center of mass motion and show that when there is damping the center of mass does not travel with constant velocity, as is the case when there is no damping. We also derive an explicit relation connecting pulse propagation in the damped case with that of the undamped case. This allows the transformation from one case to the other. A number of exactly solvable examples are given to illustrate the equations derived.

【会议名称】 Conference on Advanced Signal Processing Algorithms, Architectures, and Implementations XIV; 20040804-06; Denver,CO (US)

【会议地点】Denver,CO (US)

【作者】LEON CoHEN;

【作者单位】City University of New York, 695 Park Avenue, New York, NY 10021, USA;

【会议组织】

【会议召开年】2004

【页码】P.201-220

【总页数】20

【原文格式】PDF

【正文语种】eng

【中图分类】TP391;TN911;

【关键词】;

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