CFHT, Instruments, Imaging, AOB, Adaptive Optics World Tour Adaptive Optics World Tour 1996 There a lot going on in AO all around the world. All the major telescopes being build have their own AO project, and a considerable number of existing telescopes are being retrofitted with some kind of AO system.
Figure 1: A simplified illustration of the butterflies in an eight-point FFT (leaving out the weighting factors). This underlying structure is the same whether the FFT is decimation-in-frequency, normally drawn with the inputs in ascending order, or decimation-in-time, normally drawn with the inputs bitreversed and the frequency coefficients in ascending order.
Casper the Friendly Finality Gadget is an overlay atop a proposal mechanism—a mechanism which proposes blocks1. Casper is responsible for ﬁnalizing these blocks, essentially selecting a unique chain which represents the canonical transactions of the ledger. Casper provides safety, but liveness depends on the chosen proposal mechanism.
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