Articles | Volume 36, issue 5
Regular paper
02 Oct 2018
Regular paper |  | 02 Oct 2018

Beam tracking strategies for fast acquisition of solar wind velocity distribution functions with high energy and angular resolutions

Johan De Keyser, Benoit Lavraud, Lubomir Přech, Eddy Neefs, Sophie Berkenbosch, Bram Beeckman, Andrei Fedorov, Maria Federica Marcucci, Rossana De Marco, and Daniele Brienza


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Short summary
This paper describes "beam tracking", a new technology for measuring velocity distributions in the solar wind with a plasma spectrometer, that allows the order of magnitude speedup in data acquisition needed for studying ion-scale turbulence. The basic idea is that the spectrometer should only sample the energy–elevation–azimuth range where the solar wind is expected to reside. The paper shows how the technique can be implemented and illustrates its performance and robustness through simulation.