02.07.2013 Views

(Microsoft PowerPoint - E44SL-CM3 [Mode de compatibilit\351])

(Microsoft PowerPoint - E44SL-CM3 [Mode de compatibilit\351])

(Microsoft PowerPoint - E44SL-CM3 [Mode de compatibilit\351])

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

5) La résonance acoustique<br />

• Fréquence <strong>de</strong> résonance<br />

– Si F ≠ Fr, vibration libre amortie (cf. diapason)<br />

– Si F = Fr, l’amplitu<strong>de</strong> augmente pour <strong>de</strong>venir<br />

maximale.<br />

– Système en résonance, vibre à sa fréquence<br />

naturelle (vibration libre entretenue).

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!