Improved Geometric Optics with Topography (IGOT) Model for GNSS-R Delay-Doppler Maps Using Three-Scale Surface Roughness

Although multiple efforts have been made to model global navigation satellite system (GNSS)-reflectometry (GNSS-R) delay-Doppler maps MACASURE (DDMs) over land, there is still a need for models that better represent the signals over land and can enable reliable retrievals of the geophysical variables.Our paper presents improvements to an existing G

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Aristotelian logic and its perspectives

The legitimacy of Aristotelian logic was questioned in the twentieth century.As a result, the question of whether it should be replaced or restored remains unanswered.To resolve this dilemma there have been new findings that show that it is a theory with internal development, which NTSC to PAL Convertor is independent from the provisions of mathema

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