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[编程技巧] [讨论]振动信号功率谱估计纵轴单位问题 |
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发表于 2005-12-9 15:10
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回复:(ike944)[讨论]振动信号功率谱估计纵轴单位问...
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发表于 2006-3-13 09:11
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回复:(ike944)收到,计算dB时,一定要有基准,关键...
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