75.取樣頻率(f A)和物體頻率(fo )應該維持怎樣的關係才不會造成影像反褶(aliasing)?
(A)f A >fo
(B)f A >2fo
(C)f A <fo
(D)f A <2fo

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統計: A(68), B(965), C(5), D(147), E(0) #1053030