High sensitivity digital decimetric spectroscope

Details High sensitivity digital decimetric spectroscope High sensitivity digital decimetric spectroscope

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13q.199s&link_type=abstract

Advances in Space Research, Volume 13, Issue 9, p. 199-202.

Mathematics

Logic

6

Scientific paper

Decimetric Solar Radio Spectroscope has been put into operation since March 1991 at Sa~o José dos Campos, Brazil. Presently, it is operating over frequency range of (1.6 +/- 0.1) GHz, with time resolution of 100 ms and frequency resolution of (0.3-3) MHz, in conjunction with a 9 m diameter polar mounted antenna. The dynamic spectra are recorded on 35 mm film, while 20 frequencies each separated by 10 MHz are digitized with time resolution of 100 ms. So far, various types of bursts have been observed by this system. Morphological studies of these bursts are presented. Particularly interesting are reverse slope (RS) type III bursts. Soon this system will start operating over a frequency range of (0.2-2.5) GHz, simultaneously in two circular polarizations. Flexibility of this system permits to select desired frequency range with resolution in time of (1-250) ms and in frequency of (0.1-3) MHz.

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