→ emitter:看來是上癮了 140.113.236.72 12/16 17:55
→ tony770519:這不是課本都有寫嗎? 140.114.29.143 12/17 14:53
想問一下各位前輩
在書上的一題 關於DSBSC的
Considera composite wave obtained by adding noncoherent carrier
Ac‧cos(2 pi fc t + phi)to a DSBSC wave cos(2pi fc t)m(t). This composite
wave is applied to an ideal envelope detector. Evaluate this out put for
a)phi=0
b)phi=\=0 and |m(t)|<<Ac/2
拜託大大指點了
萬分感謝
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