Research on Low-Frequency Noise Control Based on Fractal Coiled Acoustic Metamaterials

<div>Sound insulation characteristics curve and vibration mode of metamaterials. (a) Sound insulation characteristics curve. (b) Vibration mode at 1412 Hz.</div>

Shock and Vibration

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Figure 9

Figure 9: Research on Low-Frequency Noise Control Based on Fractal Coiled Acoustic Metamaterials 