DESI DR1 Lya 1D power spectrum: the Fast Fourier Transform estimator measurement
C. Ravoux, E. Gaztañaga, Le Goff, Jean Marc, Francisco Prada, Aguilar, Jessica Nicole, Ahlen, Steven, Bailey, Steven, Bianchi, Davide, Pérez Ràfols, Ignasi
Abstract
Corentin Ravoux et al. -- ArXiv ePrint: 2505.09493. -- DESI. -- The DESI spectra and associated catalogs from DESI-DR1 are publicly available.11 All the plots of this article are generated with picca https://data.desi.lbl.gov/doc/releases/dr1/, (9.17.0) and p1desi https://github.com/corentinravoux/p1desi. (2.0.2).
Topics & Concepts
EstimatorAlgorithmPower (physics)Computer scienceFourier transformDiscrete Fourier transform (general)Signal processingSpectral densityFast Fourier transformPhysicsMathematicsNoise (video)Spectral lineObservational errorFourier analysisMathematical analysisSpectral density estimationElectronic engineeringDiscrete-time Fourier transformCalibrationSample (material)Applied mathematicsControl theory (sociology)Advanced MRI Techniques and ApplicationsAdvanced Fluorescence Microscopy TechniquesCCD and CMOS Imaging Sensors