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ATLAS

ATLAS

ATLAS. Asteroid Terrestrial-impact Last Alert System. Chelyabinsk: 2013-Feb-15. 19m diameter, 0.5Mton TNT 30km altitude. 2012 DA 14: 2013-Feb-15. 30m diameter (2Mton TNT) (10km altitude) Closest approach 28,000km = 4.4 R E

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586 views • 57 slides
ARRAY DESIGN AND SIMULATIONS

ARRAY DESIGN AND SIMULATIONS

ARRAY DESIGN AND SIMULATIONS. Craig Walker NRAO Based in part on 2008 lecture by Aaron Cohen. TALK OUTLINE STEPS TO DESIGN AN ARRAY. Clarify the science case Determine the technical requirements for the key science Specify the resolution, field of view, sensitivity, frequency range

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670 views • 53 slides
Advantages and Disadvantages of Sparse Aperture Arrays

Advantages and Disadvantages of Sparse Aperture Arrays

Advantages and Disadvantages of Sparse Aperture Arrays. Fermilab: October 2009. Motivation and Contents. Sascha Schediwy: sws@astro.ox.ac.uk. http://2-pad.physics.ox.ac.uk. Introduce some of the concepts of mid-frequency, sparse aperture arrays

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643 views • 31 slides
SKA(DS) System Design Aspects: building a system

SKA(DS) System Design Aspects: building a system

SKA(DS) System Design Aspects: building a system. Laurens Bakker. System model. Distributed beamforming. N/16 *. N/16. N. N. N. Central beamforming. N. N. N. N. N. N. N. *Assumes 2 indep. Beams, 2 pol, FOV 250sq.degree at 1GHz (both beams). System model.

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240 views • 15 slides
SKA(DS) System Design Aspects: building a system

SKA(DS) System Design Aspects: building a system

SKA(DS) System Design Aspects: building a system. Laurens Bakker. System model. Distributed beamforming. N/16 *. N/16. N. N. N. Central beamforming. N. N. N. N. N. N. N. *Assumes 2 indep. Beams, 2 pol, FOV 250sq.degree at 1GHz (both beams). System model.

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156 views • 15 slides

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