Applied Physics Letters· 2026Q1
Scattering-free subwavelength acoustic direction sensing via virtual acoustic resonance
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- 2026year
Short summary
A novel virtual resonance approach enables scattering-free acoustic direction sensing with a mean error of ~2.5° at subwavelength spacing (< λ/8) by converting phase differences to amplitude asymmetry in the analog front-end.
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Mechanics of MaterialsEngineering