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[结构振动] 做FFT,某个固有频率附近不是单一的峰 |
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发表于 2012-3-6 13:27
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发表于 2012-3-6 14:47
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发表于 2012-3-6 16:55
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点评
实部虚部各为纵横坐标的图-Nyquist plot ?
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发表于 2012-3-6 17:33
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发表于 2012-3-6 18:04
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发表于 2012-3-6 20:32
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发表于 2012-3-7 22:36
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