Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ge%26ae..49.1125l&link_type=abstract
Geomagnetism and Aeronomy, Volume 49, Issue 8, pp.1125-1127
Physics
Scientific paper
An upgrade of the Siberian Solar Radio Telescope (SSRT) [Smolkov et al., 1986; Grechnev et al., 2003] to a multiwave radio heliograph has been started. The radio heliograph being created will be designed mainly to measure coronal magnetic fields, to determine the locations of solar-flare energy release, and to investigate coronal mass ejections. These tasks define the parameters of next-generation radio heliographs. A high spatial resolution, a high image acquisition rate, and a high sensitivity are required simultaneously. All these parameters should be realized in the widest possible frequency range—from fractions to tens of GHz). The expected parameters of the future SSRT-based radio heliograph are listed below: spatial resolution 12″-24″, temporal resolution 0.02-1.0 s, frequency range 4-8 GHz, sensitivity up to 100 K, left-hand and right-hand circular polarizations, data rate 0.5-20 Mb s-1 (normal and flare modes). In this paper, we describe the broadband antennas, analog optical data transmission lines, and correlator used in the 10-antenna radio heliograph prototype.
Altyntsev Alexander T.
Gubin A. V.
Ivanov E. F.
Lesovoy S. V.
Maslov Igor A.
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