Different approaches for determining the velocity and density of a near-solar plasma by the radio-sounding method using high-stability signals from spacecraft are analyzed. The results of studying the solar-wind characteristics at heliocentric distances of 3–50 solar radii are presented. Experimental results on the plasma velocity, density, power, and acceleration for specified distances are given.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 57, No. 5, pp. 347–361, May 2014.
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Yakovlev, O.I. Determination of the Solar-Wind Velocity, Density, Power, and Acceleration by the Method of Radio Sounding of the Near-Solar Plasma by the Spacecraft Signals. Radiophys Quantum El 57, 313–325 (2014). https://doi.org/10.1007/s11141-014-9515-8
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DOI: https://doi.org/10.1007/s11141-014-9515-8