The association of the residual error of dual-frequency Global Navigation Satellite Systems with ionospheric turbulence parameters

Details The association of the residual error of dual-frequency Global Navigation Satellite Systems with ionospheric turbulence parameters The association of the residual error of dual-frequency Global Navigation Satellite Systems with ionospheric turbulence parameters

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jastp..71.1967k&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 71, Issue 17-18, p. 1967-1973.

Physics

4

Global Navigation Satellite System, Ionospheric Scintillation, Residual Error, Diffraction Effects

Scientific paper

The effects of ionospheric scintillation on the residual error of the dual-frequency Global Navigation Satellite System are investigated. For the ordinary and extraordinary waves the scalar wave equations are obtained to a high-frequency approximation from the Maxwell equations. The solution for these scalar equations to the second-order Rytov approximation made it possible to determine the residual error up to the third order taking into account the ionospheric anisotropy and diffraction effects appearing when the signal is propagating through a turbulent ionospheric plasma. It is shown that the third-order effects, associated with scintillation, that is, with the propagation of the signal through a randomly inhomogeneous ionosphere, can be dominant and exceed second-order effects associated with the influence of the geomagnetic field. We investigate the association of the residual error with such parameters of ionospheric turbulence as the variance, and the inner and outer scales.

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