38.如【圖38】所示,方波的波峰因數(crest factor, CF)為何?
(A) 0.273
(B) 0.333
(C) 0.500
(D) 1.00
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統計: A(8), B(27), C(13), D(85), E(0) #2798979
統計: A(8), B(27), C(13), D(85), E(0) #2798979