示波器测量方波一般需要3 5倍于信号�率的带宽,那在测量正弦波的时候要多�倍于原来信号�率的带宽�? 知乎 Template




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tomski示波器测量方波一般需要3 5倍于信号�率的带宽,那在测量正弦波的时候要多�倍于原来信号�率的带宽�? 知乎 coloring