45 頻寬(BW)與品質因數(Q)的關係為何?
(A) BW = Q/f0
(B) BW = f0/Q
(C) BW = f0Q
(D) BW = 2πf0Q
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統計: A(18), B(126), C(15), D(18), E(0) #3399282
統計: A(18), B(126), C(15), D(18), E(0) #3399282