Wavelet Space-Scale-Decomposition Analysis of QSO's Ly$\alpha$ Absorption Lines: Spectrum of Density Perturbations

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Pando, Jesus; Fang, Li-Zhi;
  • Subject: Astrophysics

A method for measuring the spectrum of a density field by a discrete wavelet space-scale decomposition (SSD) has been studied. We show how the power spectrum can effectively be described by the father function coefficients (FFC) of the wavelet SSD. We demonstrate that t... View more
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