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ULTRA WIDE BAND - Martial COULON - Enseeiht

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Ultra Wide Band<br />

Principes de transmission<br />

Emetteurs I-UWB<br />

Impulsions basées sur la gaussienne<br />

Problème<br />

ne rentre pas forcément dans la bande 3.1GHz-10.6GHz (ou autre)<br />

ou n’optimise pas le spectre<br />

Gaussienne modulée sur fréquence centrale fc<br />

p(t) =<br />

8k<br />

π<br />

1/4 <br />

1 + e 2π2f 2 c<br />

k<br />

−1/2<br />

e −(kt)2<br />

cos(2πfct)<br />

20/ 108

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