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负模量超材料的传输系数研究
  • ISSN号：1000-3630
  • 期刊名称：《声学技术》
  • 时间：0
  • 分类：O42[理学—声学;理学—物理]
  • 作者机构：[1]南京大学声学研究所近代声学实验室
  • 相关基金：国家自然科学基金,Nos.10904067,11174142
作者： 丁劲[1], 邓元宸, 葛欢[1], 范理[1], 张淑仪[1], 张辉[1]
关键词： 超材料, 传输系数, 声学性能, 谐振管, 传输规律, 周期性结构, 管道消声, 理论模型, 吸声, BLOCH
中文摘要：

0引言近年来,声学超材料的研究被引入了传统的声学谐振管中,形成了管状声学超材料[1,2],该材料在管道消声吸声等领域有着巨大的应用前景。为了研究其特异声学性能,研究者们提出了多种理论模型,包括用于描述周期性结构中的波传输规律的Bloch理论和管中的声阻抗传递方程[3,4]。本文将基于这两种理论对负模量一维超材料进行理论模拟,并在此基础上,建立基于双传声器法的测量系

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期刊信息
  • 《声学技术》
  • 北大核心期刊（2014版）
  • 主管单位:中国科学院
  • 主办单位:中科院声学所东海研究站 同济大学声学研究所 上海市声学学会 上海船舶电子设备研究所
  • 主编：张叔英
  • 地址：上海市嘉定工业区新徕路399号
  • 邮编：201815
  • 邮箱：sxjs@vip.163.com
  • 电话：021-67084688-2101 64174105
  • 国际标准刊号：ISSN：1000-3630
  • 国内统一刊号：ISSN：31-1449/TB
  • 邮发代号:
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  • 被引量:5693