| 11. | Many authors use this equality to actually " define " the power spectral density.
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| 12. | More generally, similar techniques may be used to estimate a time-varying spectral density.
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| 13. | Spectral density matched to the receive radar detection bandwidth is the limiting factor for maximum range.
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| 14. | Other techniques that do not rely on periodograms are presented in the spectral density estimation article.
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| 15. | You take the Fourier transform and then take its absolute square to get the spectral density.
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| 16. | The spectral density function of long-range dependence follows a power law near the origin.
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| 17. | :PSD is Power spectral density.
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| 18. | Also like other time-varying signals, jitter can be expressed in terms of spectral density.
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| 19. | This definition of the power spectral density can be generalized to discrete time variables x _ n.
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| 20. | Therefore, the Wigner function tells us ( roughly ) how the spectral density changes in time.
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