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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Performance evaluation of the particle swarm optimization algorithm to unambiguously estimate plasma parameters from incoherent scatter radar signals

Fig. 2

Graphic representation of the limited search interval of the ion composition parameter used in the PSO analysis of Wu et al. (2015). Maximum and minimum values of the search range are shown as red and blue dash-dotted lines. The allowed search range is represented in gray color. The parameter \({p}_{\text{true}}\) is the true input ion composition value of the simulation

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