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[单选题]若每个工频周期(20ms)的采样点数为 32 个,则采样频率为( ),采用周期为( )。(每题0.5分)(0.5)  

发布时间:2025-11-29

A.1600Hz,0.625ms

B.320Hz,3.125ms

C.600Hz,1.67ms

D.3200Hz,0.3125ms

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