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[非线性振动] 请问:在道加速度的时程曲线,怎么得到加速度的功率谱? |
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发表于 2012-6-23 16:18
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发表于 2012-6-23 19:27
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发表于 2012-6-24 01:25
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发表于 2012-6-24 06:50
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发表于 2012-6-24 16:19
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发表于 2012-6-29 06:59
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发表于 2012-6-30 01:49
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发表于 2012-6-30 07:51
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