METHOD FOR PASSIVE DETERMINATION OF PARAMETERS OF IONOSPHERE Russian patent published in 2016 - IPC G01S13/95 

FIELD: physics.

SUBSTANCE: invention relates to physics of ionosphere and can be used for passive determining of ionosphere parameters. Essence: GLONASS/GPS satellite signals double-frequency receiving is made. Phase cycles of satellite radio signals are measured, pseudoranges by code to spacecraft (SC) and coordinates of SC are determined. Obtained data is recorded into buffer memory (BM). At every moment values of full electronic content set (FEC) are calculated for visible SC taking into account substraction of values of constant moving of FEC IFB for each SC stored in memory. Coordinates of point of intersection of direction to SC with layer maximum F2 are simultaneously determined. Obtained and calculated data is sent to device for scanning grid formation. In device forming scanning grid using selected model of ionosphere FEC values for each SC are calculated on basis of obtained coordinates for specified version of intensity of solar radiation on wave 10.7 cm (F _10.7). In data smoothing device on basis of obtained values of FEC and previously calculated values of FEC stored in BM bases, smoothed values of FEC are determined. Using values of FEC obtained using GLONASS/GPS data and values obtained using selected model of ionosphere correlation data matrices and functionality are made. Corrected value F _10.7 is determined minimizing this functionality. Using obtained F _10.7 value and selected model of ionosphere, distribution of electron concentration in required area is formed. Wherein data on required geographic coordinates is obtained from storage device.

EFFECT: technical result is expansion of area of action and high speed of determining parameters of ionosphere, when receiving electromagnetic signals from several satellites in conditions of expected uncertainty relative to noise and interference.

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