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Acoustic Frequency Division Based on Active Metamaterial: An Experimental Demonstration of Acoustic Frequency Halving

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Abstract

In this paper, an acoustic filter with low frequency bandstop and a broadband (0.3–3 kHz) bandstop filter are presented. In this paper, control algorithm and related equipment are integrated with piezoelectric ceramic thin film, ADC and FPGA to study a system which can mix acoustically in the process of acoustic transmission and only allow one-way transmission of sound waves.

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References

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Acknowledgment

This work is supported by the National Natural Science Foundation of China (Grant No. 61525401, 61774049), the Shanghai Pujiang Talent Science funding (Grant No. 16PJD008), the Shanghai international co-operation Science funding (No. 16550720600), the Program of Shanghai Academic/Technology Research Leader under Grant 16XD1400300.

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Authors and Affiliations

  1. State Key Laboratory of ASIC and System, Fudan University, Shanghai, 201203, China

    Ping Zhao, Junyi Wang, Xihan Gu, Kangzhou Suo, Yun Chen & Xiaoyang Zeng

Authors
  1. Ping Zhao
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  2. Junyi Wang
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  3. Xihan Gu
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  4. Kangzhou Suo
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  5. Yun Chen
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  6. Xiaoyang Zeng
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Corresponding author

Correspondence to Yun Chen .

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Editors and Affiliations

  1. Northwestern Polytechnical University, Xi’an, China

    Bo Li

  2. Northwest University, Xi’an, China

    Jie Zheng

  3. Chang’an University, Xi’an, China

    Yong Fang

  4. Northwestern Polytechnical University, Xi’an, China

    Mao Yang

  5. Northwestern Polytechnical University, Xi’an, China

    Zhongjiang Yan

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© 2020 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Zhao, P., Wang, J., Gu, X., Suo, K., Chen, Y., Zeng, X. (2020). Acoustic Frequency Division Based on Active Metamaterial: An Experimental Demonstration of Acoustic Frequency Halving. In: Li, B., Zheng, J., Fang, Y., Yang, M., Yan, Z. (eds) IoT as a Service. IoTaaS 2019. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 316. Springer, Cham. https://doi.org/10.1007/978-3-030-44751-9_6

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  • DOI: https://doi.org/10.1007/978-3-030-44751-9_6

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-44750-2

  • Online ISBN: 978-3-030-44751-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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