JPL Technical Report Server

Browsing by Author "Kahan, Daniel S."

Browsing by Author "Kahan, Daniel S."

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  • A Chapman -layers ionspheric model for Mars. 
    Pi, Xiaoqing; Edwards, Charles D.; Hajj, George A.; Ao, Chi; Romans, Larry J.; Callas, John L.; Mannucci, Anthony J.; Asmar, Sami W.; Kahan, Daniel S. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2008., 2008-08)
    A numerical model (CLIMM) is developed that adopts functions of two Chapman layers to compute Mars ionospheric electron densities at given local solar zenith angle and height. Electron density profiles derived from Mars ...
  • Extraction of Doppler Observables from Open-Loop Recordings for the Juno Radio Science Investigation 
    Buccino, Dustin R.; Kahan, Daniel S.; Yang, Oscar; Oudrhiri, Kamal (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2018, 2018-01-04)
    The goal of the Juno Gravity Science investigation is to estimate the gravitational field of Jupiter by measurement of the spacecraft velocity during periods of closest approach. Velocity is measured by the Doppler shift ...