作者beatitude (...)
站内Physics
标题[问题] power spectrum
时间Wed Sep 14 00:02:46 2011
我看Fractals, Chaos, Power Laws这本书,
书中有一段叙述我不知道是如何导出来的:
...power spectrum P(f) with asymptotic f^-3 dependence,
obtained from data collected over a time period T,
might look like this:
T^4 * f
P(f) = ----------------
1 + (T*f)^4
请问这个式子是怎麽导出来的呢?
谢谢
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