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中文核心期刊

Volume 35 Issue 1
Jun.  2022
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WANG Fuxun, ZHUANG Qiao, ZHANG Zhiwei. Frequency driven scanning characteristic of a pinna model inspired from the Brown Big-eared bat（Plecotus auritus）[J]. ACTA ACUSTICA, 2010, 35(1): 26-30. DOI: 10.15949/j.cnki.0371-0025.2010.01.003
Citation: WANG Fuxun, ZHUANG Qiao, ZHANG Zhiwei. Frequency driven scanning characteristic of a pinna model inspired from the Brown Big-eared bat（Plecotus auritus）[J]. ACTA ACUSTICA, 2010, 35(1): 26-30. DOI: 10.15949/j.cnki.0371-0025.2010.01.003
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Frequency driven scanning characteristic of a pinna model inspired from the Brown Big-eared bat（Plecotus auritus）

  • 1 School of Information Science and Engineering, Shandong University Jinan 250100;

  • 2 Institute of Acoustics, Chinese Academy of Sciences Beijing 100190;

  • 3 School of Physics, Shandong University Jinan 250100

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  • PACS: 
  • Received Date: December 11, 2008
  • Revised Date: April 21, 2009
  • Available Online: June 27, 2022
    Graphical Abstract
    • Abstract
  • According to the parameters of a Brown big-eared bat’s pinna,a simple obliquely truncated bat ear model made by line and plane was designed,then the model was numerical simulated with finite element method,the change of far-field directivity was analyzed in vertical and azimuth direction as the frequency increased.The results show that, comparing with the pinna of the Brown big-eared bat,the model has the advantages in wider bandwidth of frequency driven scanning,better directivity in azimuth,larger angle scales in elevation.In addition,using a frequency driven scanning antenna,a wireless positioning method based on single base station could be gotten.
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