空气色散关系及其在低频和甚高频时的性质(英文)  

Dispersion Relations of Sound in Air and Their Properties at Low Frequency and VHF

作　　者：闵琦[1] 张青友[1] 

机构地区：[1]红河学院理学院,云南蒙自661100

出　　处：《红河学院学报》2010年第2期10-15,共6页Journal of Honghe University

基　　金：supported by Provincial Department of Education of Yunnan under the research project No.5Y0040A;Honghe University under the research project No.XJIY0514

摘　　要：从空气的声波控制方程直接推导出色散关系,并通过相应的简化,讨论了这些色散关系在低频和甚高频时的性质。Some dispersion relations are derived directly from governing equations of sound in air. The properties of the dispersion relations at low frequency and VHF are investigated respectively through simplification.

关 键 词：控制方程 色散关系 色散 衰减 

分 类 号：O441[理学—电磁学]