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Hace 1 día · The top row shows a unit pulse as a function of time (f(t)) and its Fourier transform as a function of frequency (f̂(ω)).The bottom row shows a delayed unit pulse as a function of time (g(t)) and its Fourier transform as a function of frequency (ĝ(ω)).Translation (i.e. delay) in the time domain is interpreted as complex phase shifts in the frequency domain.
Hace 1 día · The Aurora Australis, or Southern Lights, made a rare appearance in South Australia’s Coodlie Park Eco Retreat at the Eyre Pennisula. Picture: Krystina Rose. “Communication conditions are ...
Hace 1 día · This G5-class storm, the most intense classification for solar storms, mirrors an event in 2003 that resulted in power outages and transformer damage across Sweden and South Africa. The origins of this extreme geomagnetic event can be traced back to the Sun, where a series of potent solar flares ejected a stream of magnetized plasma called coronal mass ejections (CMEs) directly towards Earth.
Hace 10 horas · As explained above, the false negative samples and over-smoothing caused by the GNN-based view encoder, and the conflicts of random perturbation way with existing diverse camouflaged attacks pose certain challenges to GCL methods. Thanks to the superiority of the CL model for this problem , we make improvements based on the GCL framework.
Hace 1 día · Contribute to agricolamz/2024.05.11_EBM_BASE development by creating an account on GitHub.
Hace 10 horas · If you missed the stunning auroras caused by solar flares and coronal mass ejections from the sun, don't worry! You'll have another opportunity to catch the show on Saturday evening. According to the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center, auroras may be visible as far south as Alabama later on Saturday.
Hace 1 día · An extreme G5 geomagnetic storm was last recorded in October 2003 and caused blackouts in Sweden and damage to power transformers in South Africa. The aurora borealis was observed in the area of Ireland and Great Britain, as well as the Czech Republic and Germany, and could also be seen in the area of the Balkans.
