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(a) Illustration of the AEH with dual HR and the experimental setup; (b) photo of the AEH.
Frequency responses of the induced voltage and pressure amplification factor for AEH with single HR at 100 dBSPL.
Equivalent circuit of the AEH with dual HR.
The pressure amplification of the front cavity vs. frequency for various l 2 at 100 dBSPL.
The open-circuit induced voltage of the PZT vs. frequency for various l 2 at 100 dBSPL.
The output power of the AEH with single HR and the AEH with various l 2 vs. frequency at 100 dBSPL.
Geometric properties of proposed AEH (mm).
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