Calibration methods for absolute measurements at the Irkutsk incoherent scatter radar

A. G. Setov; A. V. Medvedev; V. P. Lebedev; D. S. Kushnarev; S. S. Alsatkin; V. P. Tashlykov

doi:10.1117/12.2287328

30 November 2017 Calibration methods for absolute measurements at the Irkutsk incoherent scatter radar

A. G. Setov, A. V. Medvedev, V. P. Lebedev, D. S. Kushnarev, S. S. Alsatkin, V. P. Tashlykov

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104665Y (2017) https://doi.org/10.1117/12.2287328
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

The Irkutsk Incoherent Scatter Radar (IISR) has a frequency band of 154–162 MHz and a polarization filter which allows measurements of electron density profiles using fadings in a received signal that arise due to the Faraday rotation of radio waves in the ionosphere. In addition, profiles of electron and ion temperatures can be obtained by examination of a signal autocorrelation function. There is a radar equation that links those plasma parameters with the power of the received incoherent scatter signal. This paper dedicated to the receiver channel calibration that is necessary for absolute measurements of the power. Absolute measurements provide us with an additional method of data processing and may reveal signal sources that have a coherent nature. We apply the calibration method based on sky noise maps, where we use the simulated antenna temperature as a source of known signal.

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A. G. Setov, A. V. Medvedev, V. P. Lebedev, D. S. Kushnarev, S. S. Alsatkin, and V. P. Tashlykov "Calibration methods for absolute measurements at the Irkutsk incoherent scatter radar", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104665Y (30 November 2017); https://doi.org/10.1117/12.2287328

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