刘启能.固-液结构平板掺杂声子晶体的滤波特性[J].压电与声光,2011,33(1):..Filtering Feature of Solid-liquid Flat Panel Doping Phononic Crystal[J].PIEZOELECTRICS AND ACOUSTOOPTICS
固-液结构平板掺杂声子晶体的滤波特性
Filtering Feature of Solid-liquid Flat Panel Doping Phononic Crystal
  
DOI:10.11977/j.issn.1004-2474.2011.01.001
中文关键词:  平板声子晶体  弹性波  受限  滤波  
英文关键词:flat panel phononic crystal  elastic wave  restrictions  filter  
基金项目:重庆市教委科技项目基金资助项目(KJ080720)
刘启能
重庆工商大学计信学院;
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中文摘要:
      为了研究一维固-液结构平板掺杂声子晶体的滤波特性,利用一维固-液结构平板掺杂声子晶体中弹性波横向受限的条件,推导出弹性波在一维固-液结构平板掺杂声子晶体中各个模式满足的关系式。研究了弹性波各模式的缺陷模随模式量子数和杂质厚度的变化规律。这些结果可用于声子晶体滤波器的设计。
英文摘要:
      For studying the filtering properties of the one-dimensional solid-liquid flat panel doping phononic crystal,the condition of elastic wave restricted in horizontal direction was applied.The conditions that each mode should be satisfied were concluded from the one-dimensional solid-liquid flat panel doping phononic crystal.The dependences of defect modes on the mode quantum number and doping thickness were obtained for elastic wave.These results could be used to design multi-channel filter.
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