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若系统的穿越频率ωc大,则调节速度快,即ts就小。()
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pQsubA/sub =QsubB/sub/pB
pQsubA/subQsubB/sub/pC
pQsubA/subQsubB/sub/pD
pQsubA/sub =QsubB/sub/2/p
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单选题A
pIsub2/sub=Isub3/sub/pB
pIsub2/sub=4Isub3/sub/pC
pIsub2/sub=2Isub3/sub/pD
pIsub3/sub=4Isub2/sub/p
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msub0/sub<msube/sub<(xB
msub0/sub=msube/sub=(xC
msub0/sub>msube/sub>(xD
msube/sub<msub0/sub<(x
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p10igLsub1/sub /pB
plgLsub1/sub /pC
10lgnD
nlg10
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