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レポート課題
提出期限：6 月 21 日（火）
提出場所：西２号館１階の韓当てレポート提出箱（３番）
Use the Cauchy-Schwarz inequality to show that the transmitter and
receiver filters given by
√

Xrc (f )
 |GT (f )| =
, |f | ≤ W
|C(f )|1/2
√
X
(f
)
rc
 |G (f )| =
, |f | ≤ W
R
|C(f )|1/2
minimize the noise-to signal ratio σv2 /d2 , where σv2 is the noise power given
by
∫ ∞
2
σv =
Snn (f )|GR (f )|2 df
−∞
for Snn (f ) = N0 /2.
1

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