Abstract
The interaction of wave-particles and wave-wave in the space plasmas are essentially non-linear or non-Gaussian processes. Using the higher-order statistical analyses methods (higher-order moments and bi-tri correlation or bi-tri spectrum), its physical properties can be described. The question addressed in this paper is that of the usefulness of higher-order statistical analysis for identification of the wave-particles interaction in space plasmas. The signals handled are from the ARCAD-3 ISOPROBE experiment on ELF frequency range, then strong electrostatic turbulence and electron density irregularities. Second and third order statistical analyses are applied: first, on time series associated with each type of measurement, then, on the two types. All results are presented for one typical case. Correlation functions estimated over the corresponding time intervals point out the existence of a, non-linear interaction between these fluctuations and electrostatic filed.
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Supported by National Natural Science Foundation of China
Zhao Zhenyu; born in 1952, Ph. D.
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Zhengyu, Z., Xianqing, S., Lefeuvre, F. et al. Identification of the wave-particles interaction in space plasma using higher-order statistics. Wuhan Univ. J. Nat. Sci. 3, 41–45 (1998). https://doi.org/10.1007/BF02827511
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DOI: https://doi.org/10.1007/BF02827511