Search results for "Instantaneous bandwidth"

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Polarization calibration techniques for the new-generation VLBI

2020

The calibration and analysis of polarization observations in Very Long Baseline Interferometry (VLBI) requires the use of specific algorithms that suffer from several limitations, closely related to assumptions in the data properties that may not hold in observations taken with new-generation VLBI equipment. Nowadays, the instantaneous bandwidth achievable with VLBI backends can be as high as several GHz, covering several radio bands simultaneously. In addition, the sensitivity of VLBI observations with state-of-the-art equipment may reach dynamic ranges of tens of thousands, both in total intensity and in polarization. In this paper, we discuss the impact of the limitations of common VLBI …

AstrofísicaAstronomyAstrophysics::High Energy Astrophysical PhenomenaPolarimetryFOS: Physical sciencesAstrophysicsAstrophysics::Cosmology and Extragalactic Astrophysics01 natural sciencesRadio spectrumInstantaneous bandwidthSoftware0103 physical sciencesVery-long-baseline interferometry010303 astronomy & astrophysicsInstrumentation and Methods for Astrophysics (astro-ph.IM)Astrophysics::Galaxy AstrophysicsRemote sensingPhysicsEvent Horizon Telescope010308 nuclear & particles physicsbusiness.industryAstrophysics::Instrumentation and Methods for AstrophysicsAstronomy and AstrophysicsPolarization (waves)Nonlinear systemSpace and Planetary ScienceAstronomiabusinessAstrophysics - Instrumentation and Methods for Astrophysics
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