Project FAST- Five hundred meter Aperture Spherical radio Telescope
Project FAST- Five hundred meter Aperture Spherical radio Telescope
Project FAST- Five hundred meter Aperture Spherical radio Telescope
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Central part of sphere is close to paraboloid as f/D is properMinimized deviation is 0.67m as f/D ~ 0.467 RMaximum slope of deviation curve gives maximum rate 0.7mm/sdeviation along radial direction (<strong>meter</strong>)1.61.20.80.400.40 20 40 60 80 100 120 140 160distance from center of aperture (<strong>meter</strong>)F=0.467RF=0.477RF=o.450RMain reflector is composed of small element units~ 2000 hexagons of 15m – rms 4mm~ 4600 triangles of 11m – rms 2.2mm21
Change language