Phase adjustment of the improved lambda 8-cm radioheliograph at Toyokawa

Details Phase adjustment of the improved lambda 8-cm radioheliograph at Toyokawa Phase adjustment of the improved lambda 8-cm radioheliograph at Toyokawa

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981nuria..28...49i&link_type=abstract

Nagoya University, Research Institute of Atmospherics, Proceedings, vol. 28, Mar. 1981, p. 49-62.

Astronomy and Astrophysics

Astronomy

Microwave Antennas, Phase Error, Radio Astronomy, Radio Interferometers, Spectroheliographs, Antenna Arrays, Automatic Control, Centimeter Waves, Coaxial Cables, Diffraction Patterns, Error Detection Codes, Microcomputers, Microwave Oscillators, Phase Locked Systems, Real Time Operation

Scientific paper

The phase stability of the improved lambda 8-cm radioheliograph at Toyokawa was measured. For this purpose and phase adjustment of real time phase error detector was developed. The detector can measure phase errors of N-S 16-element array within a few minutes with an accuracy of 0.5 deg. From the results of this measurement, it was made clear that the phase stability of 5 deg rms is attainable for 16-element array in the improved system.

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