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Energy spectrum from velocity histroy in time

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Old   October 2, 2006, 05:57
Default Energy spectrum from velocity histroy in time
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I'm chang. I want to know how to get energy spectrum from velocity histroy in time at a certain point. I'm not clear to get energy spectrum using taylor hypothesis.

Or if you know good reference or text, please recommend it to me.

Thanks in advance.
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Old   October 2, 2006, 07:23
Default Re: Energy spectrum from velocity histroy in time
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Do a FFT on the velcity vs time data.
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